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Aluminium water advisory

Water advisory for some rural water schemes

An advisory has been issued for people on the North Bruce, South Richardson, Moa Flat, Wangaloa, Tuapeka East, Balmoral 1 and 2 water schemes (including Waihola, Heriot and Kaka Point), after samples of drinking water in early 2023 found aluminium levels exceeding the new drinking water standard of 1mg/L.

In September an advisory was issued for Tapanui after a single exceedance, with a reading of 1.33mg/l, taken from the Tapanui Water Treatment Plant on 18 August 2023.

In August an advisory was also put in place for South Bruce, including Stirling, Benhar and Cherry Lane in Balclutha after three samples showed aluminium levels exceeding the drinking water standard.

An advisory had been in place for Kaitangata and Wangaloa but has now been lifted. At Waitahuna there was one exceedance recently when the filter was bypassed for a few days. Once the filter was restored, aluminium levels returned to accepted levels.

Sampling results can be found below:

Clutha District Council engaged the national water regulator Taumata Arawai, and Te Whatu Ora Health New Zealand to ensure the right technical, public health, and toxicology advice was received.

The health advice is that the risk of consuming water from the affected supplies is negligible; no health effects would be expected at these levels of Aluminium exposure, even if water was consumed over a period of weeks to months. This includes effects for people with kidney disease, infants, and children.

Water regulator, Taumata Arowai was informed in January when exceedances started showing in sampling.

While the cause is yet to be determined, work is underway to identify and resolve this issue, and testing is being undertaken daily.

Snapshot sampling at consumers’ properties in the affected areas found aluminium levels were below water standard requirements and surveillance sampling is being increased to help get a better understanding.

Waitahuna supplies the Tuapeka East, Balmoral 1 & 2 water schemes.

You can read more about the water advisory by visiting Council's frequently asked questions page.

Water Advisory FAQ

Sampling results

Please note it usually takes 10-14 working days for the accredited laboratory to test samples and provide results, so there is a delay in providing this information.

Lawrence Water Treatment Plant and Reticulation

Lawrence Water Treatment Plant

Sample date

Aluminium (mg/l)

06/05/2024 0.013
03/05/2024 0.02
01/05/2024 0.042
29/04/2024 0.05
12/04/2024 0.336
10/04/2024 0.02
08/04/2024 0.028
04/04/2024 0.048
03/04/2024 0.046
02/04/2024 0.108
28/03/2024 0.025
28/03/2024 0.021
26/03/2024 0.039
25/03/2024 0.049
22/03/2024 0.148
20/03/2024 0.026
19/03/2024 0.027
18/03/2024 0.032
05/03/2024 0.041
29/02/2024 0.068
23/02/2024 0.123
16/02/2024 0.037
12/02/2024 0.195
09/02/2024 0.024
07/02/2024 0.038
07/02/2024 0.04
05/02/2024 0.075
01/02/2024 0.736
01/02/2024 0.701
30/01/2024 0.814
29/01/2024 0.064
26/01/2024 0.176
26/01/2024 0.188
25/01/2024 0.092
23/01/2024 0.039
19/01/2024 0.09
15/01/2024 0.16
11/01/2024 0.446
05/01/2024 0.022
11/01/2024 0.446
Lawrence Community Library (service centre)
11/03/2024 0.028
26/02/2024 0.082
12/02/20241.52
12/02/20241.26
12/02/2024 0.733
07/02/2024 0.055
01/02/2024 0.94
29/01/2024 0.039
25/01/2024 0.063
19/01/20242.16
15/01/20241.25
03/01/2024 0.033
Lawrence, Irvine Street
19/03/2024 0.046
16/02/2024 0.115
09/02/2024 0.03
07/02/2024 0.038
05/02/2024 0.116
30/01/2024 0.059
26/01/2024 0.102
23/01/2024 0.046
23/01/2024 0.061
Lawrence, Harrington Street
06/05/2024 0.034
03/05/2024 0.033
01/05/2024 0.059
29/04/2024 0.08
12/04/2024 0.025
10/04/2024 0.046
08/04/2024 0.038
04/04/2024 0.201
03/04/20242.32
02/04/2024 0.735
28/04/2024 0.04
26/03/2024 0.04
25/03/2024 0.068
22/03/2024 0.067
20/03/2024 0.106
18/03/2024 0.067
16/02/2024 0.098
09/02/2024 0.047
05/02/20241.15
01/02/2024 0.175
30/01/2024 0.076
26/01/2024 0.086
23/01/2024 0.061
Lawrence, Peel Street
06/05/2024 0.017
03/05/2024 0.03
01/05/2024 0.058
29/04/2024 0.069
12/04/2024 0.023
10/04/2024 0.02
08/04/2024 0.029
04/04/2024 0.064
03/04/2024 0.135
02/04/2024 0.401
28/03/2024 0.039
26/03/2024 0.037
25/03/2024 0.06
22/03/2024 0.086
20/03/2024 0.036
18/03/2024 0.045
08/03/2024 0.062
23/02/2024 0.076
12/02/2024 0.21
07/02/2024 0.091
01/02/20243.51
29/01/2024 0.041
25/01/2024 0.064
19/01/20248.92
11/01/2024 1.66

Tapanui Water Treatment Plant and Reticulation

Tapanui Water Treatment Plant

Sample date

Aluminium (mg/l)

24/05/2024 0.02
20/05/2024 0.032
19/05/2024 0.06
13/05/20242.97
09/05/20242.44
05/01/2024 0.03
04/01/2024 0.03
03/01/2024 0.025
30/12/2023 0.108
28/12/2023 0.143
27/12/2023 0.151
20/12/2023 0.022
19/12/2023 0.02
18/12/2023 0.024
15/12/2023 0.039
14/12/2023 0.053
11/12/2023 0.053
05/12/20235.81
29/09/2023 0.039
27/09/2023 0.048
25/09/2023 0.052
22/09/2023 0.163
20/09/2023 0.189
19/09/2023 0.277
18/09/2023 0.178
15/09/2023 0.047
12/09/2023 0.047
11/09/2023 0.046
08/09/2023 0.052
06/09/2023 0.044
31/08/2023 1.33
26/07/2023 0.103
22/06/2023 0.035
07/06/2023 0.279
19/05/2023 0.046
27/04/2023 0.072
27/03/2023 0.025
17/02/2023 0.033
02/02/2023 0.031
18/01/2023 0.065
Kent Street
Sample dateAluminium (mg/l)
22/05/2024 0.033
28/12/2023 0.141
20/12/2023 0.073
18/12/2023 0.042
11/12/2023 0.159
22/09/2023 0.197
12/09/2023 0.035
4/9/2023 0.184
Cemetery Road
Sample dateAluminium (mg/l)
22/05/2024 0.024
03/01/2024 0.025
14/12/2023 0.061
27/09/2023 0.043
18/09/2023 0.203
08/09/2023 0.044
04/09/2023 0.054
Derby Street
Sample dateAluminium (mg/l)
30/12/2023 0.149
11/12/2023 0.034
08/12/2023 0.06
28/11/20233.18
25/09/2023 0.273
15/09/2023 0.038
06/09/2023 0.024
04/09/2023 0.043
North Cumberland Street (Wylie's Garage)
Sample dateAluminium (mg/l)
21/05/2024 0.032
20/05/2024 0.031
19/05/2024 0.06
09/05/2024 0.134
05/01/2024 0.023
04/01/2024 0.025
27/12/2023 0.092
15/12/2023 0.053
05/12/2023 0.786
29/09/2023 0.039
20/09/2023 0.216
11/09/2023 0.034
04/09/2023 0.028
Opposite West Otago Health
Sample DateAluminium (mg/l)
30/05/2024 0.111
24/05/2024 0.019
17/05/2024 0.186


Stirling Water Treatment Plant and Reticulation

Stirling Water Treatment Plant

Sample date

Aluminium (mg/l)

20/10/2023 0.089
19/10/2023 0.206
18/10/2023 0.166
16/10/2023 0.056
13/10/2023 0.166
11/10/2023 0.178
06/10/2023 0.303
04/10/2023 0.127
02/10/2023 0.554
29/09/2023 0.143
27/09/2023 0.042
25/09/2023 0.194
22/09/2023 0.088
20/09/2023 0.099
19/09/2023 0.13
18/09/2023 0.164
14/09/2023 0.08
13/9/2023 0.492
7/9/2023 0.075
6/9/2023 0.07
4/9/20231.99
1/9/2023 0.354
30/8/2023 0.104
28/8/2023 0.482
25/8/2023 0.134
23/8/2023 0.511
21/8/2023 0.384
18/8/2023 0.203
16/8/2023 0.292
14/8/2023 0.84
11/8/2023 0.788
10/8/2023 0.094
9/8/2023 0.127
19/7/2023 0.235
13/7/2023
0.696
11/7/2023
0.072
10/7/2023 0.103
6/7/2023 0.742
7/6/2023 2.07
28/4/2023 0.046
23/3/2023 0.132
17/2/2023 0.087
2/2/2023 0.059
1/18/2023 0.204
Baker Street, Stirling
Sample dateAluminium (mg/l)
20/10/2023 0.14
18/10/2023 0.123
16/10/2023 0.133
13/10/2023 0.134
11/10/2023 0.285
06/10/2023 0.124
04/10/2023 0.525
02/10/2023 0.12
29/09/2023 0.04
27/09/2023 0.109
25/09/2023 0.083
22/09/2023 0.111
20/09/2023 0.076
18/09/2023 0.164
15/09/2023 0.92
13/9/2023 0.301
06/09/2023 0.109
04/09/20231.34
01/09/2023 0.127
30/8/2023 0.107
28/8/2023 0.09
25/8/2023 0.442
21/8/2023 0.153
16/8/2023 0.114
11/8/2023 0.189
8/8/2023 0.141
1/8/2023 0.111
28/7/2023 0.173
25/7/2023 2.79
Stirling Reservoir
Sample dateAluminium (mg/l)
01/09/2023 0.244
28/8/2023 0.65
23/8/2023 0.337
18/8/2023 0.42
9/8/2023 0.232
4/8/2023 0.185
31/7/2023 0.113
27/7/2023 0.147
Centre Road
Sample dateAluminium (mg/l)
20/10/2023 0.04
18/10/2023 0.041
16/10/2023 0.068
13/10/2023 0.263
11/10/2023 0.235
06/10/2023 0.098
04/10/2023 0.028
02/10/2023 0.143
29/09/2023 0.036
27/09/2023 0.031
25/09/2023 0.017
22/09/2023 0.05
20/09/2023 0.036
18/09/2023 0.118
13/9/2023 0.217
8/9/2023 0.132
6/9/2023 0.111
1/9/2023 0.121
30/08/2023 0.04
28/8/2023 0.491
11/8/2023 0.331
9/8/2023 0.142
25/7/2023 8.98
Riverside Road
Sample dateAluminium (mg/l)
25/8/2023 0.462
16/8/2023 0.773
8/8/2023 0.251
28/7/2023 0.106
Windy Ridge Road
Sample dateAluminium (mg/l)
20/10/2023 0.202
18/10/2023 0.177
16/10/2023 0.204
13/10/2023 0.164
11/10/2023 0.206
09/10/2023 0.238
06/10/2023 0.205
04/10/2023 0.092
02/10/2023 0.142
29/09/2023 0.132
27/09/2023 0.153
25/09/2023 0.156
22/09/2023 0.228
20/09/2023 0.275
18/09/2023 0.392
15/09/2023 0.585
14/09/2023 0.451
13/09/20231.26
08/09/20233.75
06/09/2023 0.293
01/09/2023 0.862
30/8/2023 0.809
28/8/2023 0.64
23/8/2023 1
14/8/2023
1.36
9/8/2023 0.133
27/7/2023 0.208
Other locations
Sample site & dateAluminium (mg/l)
21/8/2023
Lawrence Road 		0.242
1/8/2023
Lawrence Road 		0.93
18/8/2023
Hislop Road 		0.651
11/8/2023
Hislop Road 		0.259
31/7/2023
Hislop Road 		0.077

Moa Flat Water Treatment Plant and Reticulation

Moa Flat Water Treatment Plant

Sample date

Aluminium (mg/l)

11/11/2024 0.55
16/10/2024 0.59
17/09/2024 0.93
16/08/2024 0.60
17/07/2024 0.51
18/06/2024 0.61
13/05/2024 0.58
26/04/2024 0.26
24/04/2024 0.91
23/04/2024 0.20
17/04/2024 0.20
12/04/2024 0.13
10/04/2024 0.14
08/04/2024 0.16
04/04/2024 0.09
03/04/2024 0.13
02/04/2024 0.17
30/03/2024 0.18
19/3/20242.14
21/02/2024 0.060
01/02/2024 0.108
30/01/2024 0.220
29/01/2024 0.154
26/01/2024 0.293
25/01/2024 0.206
23/01/2024 0.088
19/01/2024 0.135
17/01/2024 0.147
15/01/2024 0.179
12/01/2024 0.181
09/01/2024 0.130
08/01/2024 0.526
05/01/2024 0.124
20/12/2023 0.621
05/12/2023 0.367
13/11/2023 0.169
29/09/2023 0.150
20/09/2023 0.063
12/9/2023 0.068
06/09/2023 0.066
30/08/2023 0.526
18/8/2023 0.762
14/8/2023 0.715
8/8/2023 0.788
1/8/2023 0.701
24/7/2023 0.671
19/7/2023 0.995
17/7/2023
0.815
11/7/2023
0.269
6/7/2023 0.623
28/6/2023 0.595
20/6/2023 0.677
14/6/2023 0.641
7/6/2023 0.689
7/6/2023 0.691
1/6/2023 0.699
24/5/2023 0.184
15/5/2023 0.882
22/6/2023 0.704
10/5/2023 0.791
3/5/2023 0.613
1/5/2023 0.579
28/4/2023 0.242
27/4/2023 0.69
26/4/2023 0.684
21/4/2023 0.666
20/4/2023 0.699
17/4/2023 0.72
13/4/2023 0.611
12/4/2023 0.739
6/4/2023 0.573
4/4/20231.06
3/4/2023 0.791
31/3/2023 0.796
30/3/2023
0.7
27/3/2023 0.776
24/3/2023 0.658
21/3/2023 0.57
20/3/2023 0.68
17/3/2023 0.693
14/3/2023 0.567
13/3/2023 0.595

10/3/2023

0.553

8/3/2023 0.57

7/3/2023

0.688

2/3/2023

0.062

17/2/2023

1.35

2/2/2023

1.6

18/1/2023

4.1

Kempthorne Rd

Sample date

Aluminium (mg/l)

19/11/2024 0.776
7/10/2024 0.283
30/09/2024 0.617
16/09/2024 0.337
26/08/2024 0.073
23/07/2024 0.582
15/07/2024 0.584
25/06/2024 0.381
04/06/2024 0.709
21/05/2024 0.73
23/04/2024 0.221
15/04/2024 0.229
08/04/2024 0.211
02/04/2024 0.305
18/3/2024 0.152
26/01/2024 0.258
23/01/2024 0.109
17/01/2024 0.537
15/01/2024 0.129
05/01/2024 0.196
05/12/2023 0.205
28/11/2023 0.336
29/09/2023 0.058
20/09/2023 0.067
12/9/2023 0.065
06/09/2023 0.076
30/08/2023 0.528
14/8/2023 0.723
8/8/2023 0.761
1/8/2023 0.683
24/7/2023 0.006
17/7/2023 0.657
11/7/2023 0.675
28/6/2023 0.591
20/6/2023 0.659
14/6/2023 0.602
7/6/2023 0.69
1/6/2023 0.676
24/5/2023 0.732
15/5/2023 0.827
10/5/2023 0.82
3/5/2023 0.587
1/5/2023 0.579
28/4/2023 0.231
27/4/2023 0.68
26/4/2023 0.654
21/4/2023 0.686
20/4/2023 0.692
17/4/2023 0.697
13/4/2023 0.555
12/4/2023 0.688
6/4/2023 0.627
4/4/2023 0.875
3/4/2023 0.922
31/3/23 0.723
30/3/2023 0.784
27/3/2023 0.783
24/3/2023 0.588
21/3/2023 0.637
20/3/2023 0.64
17/3/2023 0.633
13/3/2023 0.568

10/3/2023

0.52

8/3/2023 0.53

7/3/2023

0.664

2/3/2023

0.076

19/02/2023

1.37

Wilden School Rd

Sample date

Aluminium (mg/l)

7/11/2024 0.707
30/10/2024 0.489
16/10/2024 0.596
25/09/2024 0.527
04/09/2024 0.862
15/08/2024 0.682
7/08/2024 1.25
30/07/2024 0.542
04/07/2024 0.922
13/06/2024 0.883
30/05/2024 0.509
09/05/2024 0.404
24/04/2024 0.785
17/04/2024 0.179
17/04/2024 0.201
10/04/2024 0.163
04/03/2024 0.128
27/03/2024 0.214
06/03/2024 0.051
15/02/2024 0.49
07/02/2024 0.249
30/01/2024 0.196
29/01/2024 0.122
12/01/2024 0.167
08/01/2024 0.465
04/01/2024 0.22
29/09/2023 0.284
20/09/2023 0.047
12/9/2023 0.065
06/09/2023 0.073
30/08/2023 0.563
14/8/2023 0.724
8/8/2023 0.755
1/8/2023 0.687
24/7/2023 0.687
17/7/2023 0.782
11/7/2023
0.684
6/7/2023 0.628
28/6/2023 0.622
20/6/2023 0.683
14/6/2023 0.618
7/6/2023 0.686
1/6/2023 0.688
24/5/2023 0.748
15/5/2023 0.831
10/5/2023 0.719
3/05/2023
0.624
1/5/2023 0.646
28/4/2023 0.238
27/4/2023 0.507
26/4/2023 0.705
21/4/2023 0.696
20/4/2023 0.726
17/4/2023 0.77
13/4/2023 0.481
12/4/2023 0.702
6/4/2023 0.628
4/4/2023 0.913
3/4/2023 1.03
31/3/2023 0.781
30/3/2023 0.644
27/3/2023 0.733
24/3/2023 0.647
21/3/2023 0.555
20/3/2023 0.663
17/3/2023 0.723
14/3/2023 0.568
13/3/2023 0.831

10/3/2023

0.608

8/3/2023 0.625

7/3/2023

0.702

2/3/2023

0.071

19/02/2023

1.42

Edievale Rd

Sample date

Aluminium (mg/l)

15/11/20242.12
25/10/20243.48
3/10/2024 0.544
13/09/20242.48
23/08/20243.09
12/07/20241.36
05/07/20243.42
21/06/20241.71
17/05/2024 0.582
01/05/20241.01
26/04/2024 0.199
12/04/2024 0.29
04/04/2024 0.235
30/03/2024 0.522
15/03/2024 0.558
30/01/2024 0.364
25/01/2024 0.214
19/01/2024 0.574
15/01/2024 0.125
12/01/2024 0.351
09/01/2024 0.424
05/01/2024 0.526
20/12/20232.08
29/09/2023 0.159
20/09/2023 0.094
12/9/2023 0.068
06/09/2023 0.106
30/08/2023 0.495
14/8/2023 0.713
8/8/2023 0.75
1/8/2023 0.626
24/7/2023 0.844
17/7/2023 0.829
11/7/2023 0.06
6/7/2023 0.683
28/6/2023 0.479
20/6/2023 0.778
14/6/2023 0.633
7/6/2023 0.702
1/6/2023 0.671
24/5/2023 0.749
15/5/2023 0.831
10/5/2023 0.673
3/5/2023 0.572
1/5/2023 0.565
28/4/2023 0.752
27/4/2023 0.642
26/4/2023 0.678
21/4/2023 0.677
20/4/2023 0.669
17/4/2023 0.686
13/4/2023 0.62
12/4/2023 0.654
6/4/2023 0.646
4/4/2023 1.03
3/4/2023 0.978
30/3/2023 0.748
27/3/2023 0.733
24/3/2023 0.644
21/3/2023 0.67
20/3/2023 0.662
17/3/2023 0.755
14/3/2023 0.532
13/3/2023

0.667

10/3/2023

0.503

8/3/2023 0.548

7/3/2023

0.784

2/3/2023

0.132

19/2/2023

2.4

North Bruce Water Treatment Plant and Reticulation (North Bruce and Waihola)

North Bruce Water Treatment Plant

Sample date

Aluminium (mg/l)

11/11/20241.43
16/10/2024 0.94
17/09/2024 0.75
16/08/20241.04
17/07/2024 0.44
18/06/20241.62
13/05/2024 0.57
17/04/2024 0.75
27/03/2024 0.47
26/03/2024 0.35
20/03/2024 0.85
19/03/2024 0.59
18/03/2024 0.46
14/03/2024 0.24
12/03/2024 0.26
06/03/2024 0.19
05/03/2024 0.41
29/02/2024 0.42
28/02/2024 0.40
20/02/2024 0.35
19/02/2024 0.77
18/02/2024 0.99
16/02/2024 0.76
15/02/2024 0.72
11/02/20242.04
05/02/2024 0.91
02/02/2024 0.59
01/02/2024 0.70
30/01/2024 0.63
25/01/2024 0.86
23/01/2024 0.46
19/01/2024 0.71
17/01/2024 0.97
16/01/2024 0.93
11/01/2024 0.645
08/01/2024 0.895
05/01/20241.25
03/01/2024 0.693
02/01/2024 0.872
28/12/2023 0.939
27/12/2023 0.751
23/12/2023 0.497
20/12/2023 0.917
18/12/2023 0.699
12/12/2023 0.623
11/12/2023 0.929
08/12/2023 0.714
06/12/2023 0.607
05/12/2023 0.767
30/11/2023 0.423
27/11/2023 0.553
24/11/2023 0.392
22/11/2023 0.4222
15/11/2023 0.85
14/11/2023 0.909
13/11/2023 0.693
10/11/20231.23
08/11/20231.28
03/11/2023 0.875
01/11/2023 0.719
27/10/2023 0.355
25/10/2023 0.63
19/10/2023 0.86
18/10/2023 0.898
16/10/2023 0.879
11/10/2023 0.732
10/10/2023 0.553
06/10/2023 0.729
29/09/2023 0.899
27/09/20231.15
20/09/2023 0.078
18/09/2023 0.796
14/09/2023 0.428
13/09/2023 0.398
07/09/2023 0.188
06/09/2023 0.293
01/09/2023 0.35
30/08/2023 0.441
23/08/2023 0.55
21/08/2023 0.591
18/08/2023 0.079
17/8/2023 0.609
16/8/2023 0.079
11/8/2023 0.186
9/8/2023 0.197
5/8/2023 0.239
4/8/2023 0.21
27/7/2023 0.312
24/7/2023 0.351
19/7/2023 0.324
13/7/2023 0.693
12/7/2023 0.741
5/7/2023 0.728
30/6/2023 0.688
28/6/2023 0.601
23/6/2023 0.527
21/6/2023 0.518
19/6/2023 0.574
16/6/2023 0.778
14/6/2023 0.326
9/6/2023 0.434
8/6/2023 0.407
7/6/2023 0.74
2/6/2023 0.435
31/5/2023 0.737
23/5/20231.4
22/5/20231.22
19/5/20231.39
15/5/2023 0.743
11/5/2023 0.343
10/5/2023 0.348
3/5/2023 0.557
1/5/2023 0.649
28/4/2023 0.801
27/4/2023 0.871
26/4/2023 0.708
21/4/2023 0.631
17/4/2023 1.5
12/4/2023 0.873
6/4/2023 0.537
3/4/2023 0.046
31/3/2023 0.487
30/3/2023 0.646
27/3/2023 0.502
24/3/20231.35
23/3/20231.44
21/3/2023 0.276
17/3/2023

0.424

15/3/2023 0.268

14/3/2023

1.55

10/3/2023

0.684

8/3/2023 0.245

3/08/2023

0.245

7/3/2023

0.494

2/3/2023

0.859

17/02/2023

1.36

2/2/2023

2.07

18/01/2023

1.79

Titri Rd, Waihola

Sample date

Aluminium (mg/l)

08/12/2023 (High flow)1.43
08/12/2023 (Low flow) 0.879
06/12/2023 (High flow)2.92
06/12/2023 (Low flow) 0.755
30/11/2023 (High flow)2.68
30/11/2023 (Low flow)3.59
27/11/2023 (Low flow) 0.994
27/11/2023 (High flow) 0.779
24/11/2023 (low flow) 0.477
24/11/2023 (High flow) 0.44
22/11/2023 (Low flow)1.91
22/11/2023 (High flow)1.39
15/11/2023 (High flow)5.68
15/11/2023 (Low flow)1.35
14/11/2023 (High flow)2.73
14/11/2023 (Low flow)1.26
13/11/2023 (Low flow)1.07
11/11/2023 (High flow)1.62
10/11/2023 (Low flow)2.09
10/11/2023 (High flow)2.62
08/11/2023 (Low flow)14.2
08/11/2023 (High flow)115
03/11/2023 0.315
03/11/202338.2
01/11/202337.3
27/10/2023100
25/10/202319.3
18/10/202323.2
16/10/202310.8
11/10/20233.32
10/10/20237.47
07/10/20232.58
06/10/20231.69
29/09/20232.94
27/09/20233.15
20/09/2023 0.606
13/09/2023 0.89
07/09/2023 1.17
06/09/20236.47
01/09/20231.9
30/08/2023 0.653
11/8/2023 0.231
5/8/2023 11.1
4/8/2023 2.06
27/7/2023 0.377
24/7/2023 0.552
12/7/2023 0.839
11/7/2023 0.912
5/7/2023 1.02
3/7/2023 1.27
30/6/2023 0.677
28/6/2023 0.728
23/6/2023 0.552
19/6/2023 0.229
16/6/2023 0.46
14/6/2023 0.728
9/6/2023 0.58
7/6/2023 0.498
2/6/2023 0.78
31/5/2023 0.943
23/5/2023 1.33
22/5/2023 1.45
19/5/2023 0.716
15/5/2023 1.44
11/5/2023 14.9
10/5/2023 1.47
3/5/2023 0.713
1/5/2023 1.36
28/4/2023 0.908
27/4/2023 0.697
26/4/2023 2.2
21/4/2023 1.73
20/4/2023 6.24
17/4/2023 1.67
14/4/2023 0.527
13/4/2023 1.56
12/4/2023 3.53
6/4/2023 0.639
3/4/2023 0.857
31/3/2023 0.754
30/3/2023 0.885
24/3/2023 3.51

27/3/2023

6.52

21/3/2023

0.739

17/3/2023

36.2

15/3/2023

1.05

14/3/2023

2.26

10/3/2023

4.98

8/3/2023

0.63

7/3/2023

8.61

2/3/2023

18.9

18/02/2023 24.2
Mallard Drive, WaiholaAluminium (mg/l)
Sample Date
23/08/2024 0.65
2/08/2024 0.40
31/07/2024 0.26
26/07/20247.25
24/07/2024 0.31
19/07/2024 0.32
17/07/2024 0.60
12/07/2024 0.71
12/07/2024 0.74
10/07/2024 0.94
05/07/20241.34
03/07/2024 0.61
28/06/2024 0.57
26/06/2024 0.53
21/06/2024 0.91
19/06/20241.36
14/06/202431.80
12/06/2024 1.15
07/06/2024 0.51
05/06/2024 0.68
04/06/2024 0.31
30/05/2024 0.34
29/05/2024 0.53
24/05/2024 0.42
22/05/2024 0.73
17/05/2024 0.19
15/05/2024 0.63
10/05/20242.15
09/05/2024 0.42
08/05/2024 0.98
03/05/2024 0.37
01/05/2024 0.48
01/05/2024 0.40
26/04/2024 0.54
26/04/2024 0.03
24/04/2024 0.05
24/04/20241.17
19/04/20243.69
19/04/2024 0.04
17/04/2024 0.58
17/04/2024 0.46
12/04/2024 0.15
10/04/20245.21
05/04/2024 0.40
04/04/2024 0.88
27/03/20241.14
27/03/2024 0.31
26/03/2024 0.28
26/03/20241.12
20/03/2024 0.35
20/03/20245.38
18/03/2024 0.32
18/03/2024 0.30
15/03/2024 0.91
14/03/2024 0.33
14/03/2024 0.29
12/03/2024 0.52
12/03/2024 0.63
06/03/2024 0.26
06/03/2024 0.17
05/03/2024 0.41
05/03/2024 0.26
29/02/2024 (Low Flow)1.87
29/02/2024 (High Flow) 0.41
28/02/2024 (Low Flow)47.70
28/02/2024 (High Flow) 0.94
23/02/2024 0.98
20/02/2024 0.46
20/02/2024 0.47
19/02/20241.08
19/02/2024 0.22
18/02/20242.05
18/02/20243.62
15/02/20243.1
15/02/2024 0.26
11/02/20246.78
11/02/20243.06
05/02/2024 0.84
05/02/2024 0.85
02/02/2024 0.48
02/02/2024 0.80
30/01/20243.55
30/01/20241.09
25/01/2024 0.49
23/01/2024 0.73
19/01/2024 0.91
19/01/2024 0.69
16/01/2024 0.62
16/01/20241.08
12/01/20241.32
11/01/2024 (High flow)3.02
11/01/2024 (Low flow) 0.699
08/01/2024 (Low flow)1.52
08/01/2024 0.84
05/01/20242.63
04/01/2024 (Low flow) 0.267
03/01/2024 (High flow) 0.995
03/01/2024 (Low flow) 0.769
02/01/2024 0.983
28/12/2023 (High flow) 0.576
28/12/2023 (Low flow) 0.586
27/12/2023 (Low flow) 0.521
27/12/2023 (High flow) 0.773
23/12/2023 0.462
18/12/2023 (High flow) 0.92
18/12/2023 (Low flow) 0.82
12/12/2023 (High flow)1.36
12/12/2023 (Low flow) 0.609
11/12/2023 (High flow) 0.727
11/12/2023 (Low flow) 0.705
08/12/2023 (High flow) 0.643
08/12/2023 (Low flow) 0.696
06/12/2023 (Low flow) 0.5
06/12/2023 (High flow) 0.904
30/11/2023 (Low flow 0.809
30/11/2023 (High flow) 0.448
27/11/2023 (Low flow) 0.883
27/11/2023 (High flow) 0.624
24/11/2023 (Low flow) 0.465
24/11/2023 (High flow) 0.583
22/11/2023 (High flow)6.96

22/11/2023 (Low flow)

1.51

Cemetery Rd, Waihola

Sample date

Aluminium (mg/l)

30/07/20241.16
13/06/2024 0.35
01/05/20241.22
27/03/20241.02
26/03/20244.65
20/03/2024 0.25
18/03/2024 0.17
14/03/2024 0.49
12/03/2024 0.31
06/03/2024 0.21
05/03/2024 0.41
28/02/20242.92
20/02/20241.92
19/02/2024 0.86
18/02/2024 0.51
15/02/2024 0.93
11/02/20241.3
05/02/2024 0.52
02/02/2024 0.42
30/01/20242.8
30/01/20242.12
23/01/2024 0.76
19/01/20241.08
16/01/2024 0.76
11/01/20241.28
08/01/20241.36
03/01/2024 0.737
28/12/2023 0.669
27/12/2023 0.587
18/12/2023 0.728
12/12/20231.18
11/12/2023 0.569
08/12/2023 0.579
06/12/20231.26
30/11/2023 0.318
27/11/20231.23
24/11/2023 0.634
22/11/20231.33
15/11/20233.99
14/11/20231.89
10/11/20231.14
08/11/20232.43
03/11/20231.3
01/11/2023 0.476
27/10/2023 0.965
25/10/2023 0.46
18/10/20232.02
16/10/2023 0.319
11/10/2023 0.65
10/10/2023 0.783
07/10/2023 0.482
06/10/2023 0.937
29/09/2023 0.836
27/09/20231.17
20/09/2023 0.521
18/09/2023 0.535
14/09/2023 0.405
13/09/2023 0.418
07/09/2023 0.272
06/09/2023 0.306
01/09/2023 0.516
30/08/2023 0.475
23/08/2023 0.467
21/08/2023 0.513
17/08/2023 0.09
16/8/2023 0.217
11/8/2023 0.198
9/8/2023 0.202
5/8/2023 0.221
4/8/2023 0.266
27/7/2023 0.285
24/7/2023 0.26
19/7/2023 0.415
12/7/2023 2.2
11/7/2023 0.704
5/7/2023 0.604
30/6/2023 0.474
28/6/2023 0.341
23/6/2023 0.437
19/6/2023 0.563
16/6/2023 0.282
14/6/2023 0.443
9/6/2023 0.488
7/6/2023 0.52
2/6/2023 0.718
31/5/2023 0.864
23/5/2023 1.26
22/5/2023 1.33
19/5/2023 0.731
15/5/2023 1.01
11/5/2023 0.266
10/5/2023 0.331
3/5/2023 0.658
1/5/2023 0.612
28/4/2023 0.728
27/4/2023 0.61
26/4/2023 0.649
21/4/2023 0.98
20/4/2023 1.28
17/4/2023 4.64
14/4/2023 1.94
13/4/2023 1.66
12/4/2023 2.02
6/4/2023 0.432
3/4/2023 0.6
31/3/2023 0.924
30/3/2023 0.654

27/3/2023

0.54

24/3/2023 2.82

21/3/2023

0.64

17/3/2023

1.06

15/3/2023

0.869

14/3/23

0.266

10/3/2023

3.4

8/3/2023

0.727

7/3/2023

0.5

2/3/2023

0.902

18/2/2023

4.21

Circle Hill Rd

Sample date

Aluminium (mg/l)

19/11/2024 0.776
07/10/20241.23
16/09/2024 0.37
26/08/20242.03
15/07/2024 0.88
27/03/2024 0.25
26/03/2024 0.28
20/03/20241.45
18/03/2024 0.21
18/03/2024 0.20
14/03/2024 0.15
12/03/2024 0.25
06/03/2024 0.07
05/03/2024 0.09
29/02/2024 0.53
28/02/2024 0.22
26/02/20241.40
20/02/2024 0.32
19/02/2024 0.88
18/02/20242.16
15/02/2024 0.82
11/02/20241.49
05/02/2024 0.76
02/02/2024 0.60
30/01/2024 0.99
23/01/2024 0.85
19/01/2024 0.87
16/01/2024 0.89
15/01/2024 0.48
11/01/2024 0.653
08/01/20241.58
03/01/2024 0.76
28/12/2023 0.819
27/12/2023 0.747
23/12/2023 0.592
18/12/2023 0.862
12/12/2023 0.465
11/12/20231.13
08/12/20231.14
06/12/2023 0.728
30/11/2023 0.589
27/11/2023 0.578
24/11/2023 0.357
22/11/2023 0.908
15/11/20231.05
14/11/2023 0.797
10/11/2023 0.978
08/11/20231.05
03/11/2023 0.427
01/11/2023 0.699
27/10/2023 0.211
25/10/2023 0.74
18/10/2023 0.61
16/10/2023 0.83
11/10/2023 0.259
10/10/2023 0.283
07/10/2023 0.451
06/10/20231.12
29/09/2023 0.859
27/09/20231.08
20/09/2023 0.105
18/09/2023 0.816
14/09/2023 0.407
13/09/2023 0.407
07/09/2023 0.362
06/09/2023 0.279
01/09/2023 0.449
30/08/2023 0.452
16/8/2023 0.079
11/8/2023 0.178
9/8/2023 0.133
5/8/2023 0.26
4/8/2023 0.219
27/7/2023 0.259
24/7/2023 0.352
19/7/2023 0.379
12/7/2023 0.708
11/7/2023 0.78
5/7/2023 0.667
30/6/2023 0.648
28/6/2023 0.355
23/6/2023 0.449
19/6/2023 0.475
16/6/2023 0.242
14/6/2023 0.328
9/6/2023 0.707
7/6/2023 0.552
2/6/2023 0.376
31/5/2023 0.642
23/5/2023 1.33
22/5/2023 1.37
19/5/2023 1.27
15/5/2023 0.846
11/5/2023 0.445
10/5/2023 0.314
3/05/2023
0.532
1/5/2023 0.764
28/4/2023 0.862
27/4/2023 0.806
26/4/2023 0.805
21/4/2023 0.741
20/4/2023 0.797
17/4/2023 1.63
14/4/2023 5.91
13/4/2023 0.916
12/4/2023 0.658
6/4/2023 0.495
3/4/2023 0.713
31/3/2023 0.713
30/3/2023 1.02
27/3/2023 0.768
24/3/2023 1.28

21/3/2023

0.615

20/3/2023 0.492

17/3/2023

0.224

15/3/2023

0.459

14/3/2023

0.316

10/3/2023

0.584

8/3/2023 0.678
7/3/2023 0.3

2/3/2023

0.561

18/2/2023

1.77

Other locations

Sample site & date

Aluminium (mg/l)

15/11/2024 Toko Mouth Road3
25/10/2024 Toko Mouth Road 0.75
03/10/2024 Toko Mouth Road3.60
13/09/2024 Toko Mouth Road 1.19
23/08/2024 Toko Mouth Road 1.02
12/07/2024 Toko Mouth Road 0.41
15/03/2024 Toko Mouth Road 0.73
23/01/2024 Toko Mouth Road1.87
12/01/2024
Toko Mouth Rd		2.73

2/3/2023
Toko Mouth Rd

12.2

05/07/2024 Perry Road 0.68
17/05/2024 Perry Road 0.20
26/04/2024 Perry Road 0.49
04/04/2024 Perry Road2.71
05/01/2024
Perry Road		2.9
04/04/2024 Perry Road2.71

2/3/2023
Perry Rd

0.344

30/10/2024 Lake Road1.13
25/09/2024 Lake Road 0.49
7/08/2024 Lake Road 0.77
30/05/2024 Lake Road 0.36
09/05/2024 Lake Road 0.27
17/04/2024 Lake Road 0.67
07/02/2024 Lake Road 0.94

18/02/2023 Lake Road

0.473

30/09/2024 Allison Road1.43
21/05/2024 Allison Road 0.348

08/04/2024 Allison Rd

0.807

16/09/2024 Waihola Fire Station 0.16
26/08/2024 Waihola Fire Station 0.36
23/07/2024 Waihola Fire Station 0.40
15/07/2024 Waihola Fire Station 0.66
25/06/2024 Waihola Fire Station 0.74
17/05/2024 Waihola Fire Station 0.09
26/04/2024 Waihola Fire Station3.25
02/04/2024 Waihola Fire Station 0.56
18/03/2024 Waihola Fire Station 0.47
23/01/2024 Waihola Fire Station 0.82
15/01/2024
Waihola Fire Station 		0.409

18/02/2023
Waihola Fire Station

0.893

21/06/2024 East Boundary Road3.45

18/02/2023
East Boundary Road

0.357

16/10/2024 Waihola Reservoir Inlet2.07
14/10/2024 Waihola Reservoir Inlet 0.90
04/09/2024 Waihola Reservoir Inlet 0.27
15/08/2024 Waihola Reservoir Inlet 0.56
23/07/2024 Waihola Reservoir Inlet 0.36
04/07/2024 Waihola Reservoir Inlet1.31
25/06/2024 Waihola Reservoir Inlet 0.348
04/06/2024 Waihola Reservoir Inlet 0.285
02/04/2024 Waihola Reservoir Inlet 0.516
27/03/2024 Waihola Reservoir Inlet 0.85
06/03/2024 Waihola Reservoir Inlet 0.072
06/03/2024 Waihola Reservoir Inlet 0.34
15/02/2024 Waihola Reservoir Inlet 0.216
04/01/2024 Waihola Reservoir Inlet 0.87
04/09/2024 Waihola Reservoir 0.40
15/08/2024 Waihola Reservoir 0.38
7/08/2024 Waihola Reservoir 0.22
30/07/2024 Waihola Reservoir 0.26
04/07/2024 Waihola Reservoir 0.34
13/06/2024 Waihola Reservoir 0.28
21/05/2024 Waihola Reservoir 0.45
08/04/2024 Waihola Reservoir 0.51
27/03/2024 Waihola Reservoir 0.85
06/03/2024 Waihola Reservoir 0.34
15/02/2024 Waihola Reservoir 0.47
07/02/2024 Waihola Reservoir 0.93
30/01/2024 Waihola Reservoir 0.78

04/01/2024 Waihola Reservoir

0.87

18/02/2023
Milton Water Treatment Plant

0.523

20/03/2023
Waihola Highway

0.418

Waitahuna Water Treatment Plant and Reticulation (Bal 1, Bal 2, Tuapeka East)

Waitahuna Water Treatment Plant

Sample date

Aluminium (mg/l)

11/11/2024 0.903
16/10/20241.14
17/09/20241.10
16/08/2024 0.599
17/07/2024 0.374
18/06/20241.14
13/05/2024 0.726
26/04/2024 0.717
19/04/2024 0.673
17/04/2024 1.21
17/04/2024 0.95
12/04/2024 0.651
10/04/2024 0.695
08/04/2024 0.696
04/04/20241.09
03/04/2024 0.837
30/03/2024 0.994
28/03/2024 0.232
27/03/2024 0.552
19/03/20241.2
21/02/2024 0.16
01/02/2024 0.716
30/01/2024 0.549
29/01/2024 0.455
26/01/2024 0.661
25/01/2024 0.605
23/01/2024 0.671
19/01/2024 0.713
17/01/2024 0.936
15/01/2024 0.921
12/01/2024 0.593
09/01/2024 0.892
08/01/2024 0.726
05/01/2024 0.796
20/12/2023 0.842
05/12/2023 0.587
13/11/2023 0.613
17/10/2023 0.429
11/10/2023 0.458
02/10/2023 0.437
29/09/2023 0.29
20/09/2023 0.585
12/9/2023 0.352
4/9/2023 0.418
30/08/2023 0.193
18/08/2023 0.397
14/8/2023 0.51
8/8/2023 2.22
1/8/2023 0.59
24/7/2023 0.245
17/7/2023 0.505
11/7/2023 0.568
6/7/2023 0.231
28/6/2023 0.188
20/6/2023 0.319
14/6/2023 0.368
7/6/2023 0.483
1/6/2023 0.305
24/5/2023 0.604
16/5/2023 0.686
15/5/2023 0.7
10/5/2023 0.266
3/5/2023 0.451
28/4/2023 0.195
27/4/2023 0.477
26/4/2023 0.369
21/4/2023 0.244
20/4/2023 0.257
17/4/2023 0.251
13/4/2023 0.056
12/4/20231
6/4/2023 0.159
4/4/2023 0.152
3/4/2023 0.281
31/3/2023 0.348
30/3/2023 0.61

27/3/2023

0.339
24/3/2023 1.4

21/3/2023

0.325

20/3/2023

0.091

17/3/2023

0.411

14/3/2023

0.568

13/3/2023

0.089

10/3/2023

0.18

8/3/2023 0.273

7/3/2023

0.0287

17/2/2023

0.335

2/2/2023

1.95

18/1/2023

0.073

Hillend Road

Sample site & date

Aluminium (mg/l)

19/11/2024 0.66
7/10/2024 0.84
30/09/2024 0.408
16/09/2024 0.802
26/08/2024 0.469
21/08/2024 0.707
23/07/2024 0.377
15/07/2024 0.621
04/07/2024 12
25/06/2024 0.704
07/06/2024 0.521
04/06/2024 0.783
21/05/2024 0.649
09/05/2024 0.616
26/04/2024 0.598
12/04/2024 0.492
10/04/2024 0.609
08/04/2024 0.802
04/04/20241.08
03/04/2024 0.948
02/04/2024 0.927
30/03/2024 0.855
28/03/2024 0.642
27/03/2024 0.748
18/03/2024 0.436
26/02/2024 0.306
19/02/2024 0.229
26/01/2024 0.643
23/01/2024 0.762
17/01/20241.04
15/01/2024 0.75
05/01/2024 0.871
05/12/2023 0.278
28/11/2023 0.667
17/10/2023 0.204
11/10/2023 0.225
02/10/2023 0.274
29/09/2023 0.457
20/09/2023 0.276
12/9/2023 0.201
4/9/2023 0.345
21/08/2023 0.515
14/8/2023 0.37
8/8/2023 0.264
1/8/2023 0.37
24/7/2023 0.97
17/7/2023 0.536
11/7/2023 0.355
6/7/2023 3.25
28/6/2023 2.53
20/6/2023 1.09
14/6/2023 0.383
7/6/2023 0.239
1/6/2023 0.726
15/5/2023 0.466
10/5/2023 1.19
3/5/2023 0.5
1/5/2023 0.567
27/4/2023 0.445
26/4/2023 0.528
21/4/2023 0.156
20/4/2023 0.178
17/4/2023 0.297
13/4/2023 0.384
12/4/2023 0.402
6/4/2023 0.213
3/4/2023 0.179
31/4/2023 0.69
30/3/2023 0.608

27/3/2023

0.255

21/3/2023

0.224

20/3/2023

0.36

17/3/2023

0.22

14/3/2023

0.088

13/3/2023

0.168

10/3/2023

0.119

8/3/2023 0.577

7/3/2023

0.161

Breakneck Road
15/11/2024 0.716
25/10/2024 0.741
3/10/2024 0.436
13/09/2024 0.732
23/08/2024 0.744
12/07/2024 0.624
05/07/2024 0.585
21/06/20241.55
17/05/2024 0.58
01/05/2024 0.567
19/04/2024 0.995
17/04/2024 0.169
17/04/2024 0.843
12/04/2024 0.582
10/04/2024 0.694
08/04/2024 0.973
04/04/20241.1
04/03/2024 0.724
02/04/2024 0.804
30/03/2024 0.569
28/03/2024 0.729
27/03/2024 0.617
15/03/2024 0.444
23/02/2024 0.394
12/01/2024 0.667
05/01/2024 0.966
20/12/2023 0.795
17/10/2023 0.787
11/10/2023 0.506
02/10/2023 0.301
29/09/2023 0.444
20/09/2023 0.714
12/9/2023 0.334
4/9/2023 0.468
30/08/2023 0.513
21/08/2023 0.409
14/8/2023 0.88
8/8/2023 0.61
1/8/2023 0.82
24/7/2023 0.869
17/7/2023 0.435
11/7/2023 0.385
6/7/2023 0.553
28/6/2023 0.351
20/6/2023 0.285
14/6/2023 0.51
7/6/2023 0.548
1/6/2023 1.92
24/5/2023 1.3
15/5/2023 1.03
10/5/2023 1.08
3/5/2023 0.508
1/5/2023 0.297
28/4/2023 0.638
27/4/2023 0.874
26/4/2023 0.475
21/4/2023 0.413
20/4/2023 0.932
17/4/23 0.212
13/4/2023 1.39
12/4/2023 1.3
6/4/2023 0.327
4/4/2023 0.489
3/4/2023 0.502
31/4/2023 0.764
30/3/2023 1.07

27/3/2023

1.46
24/3/2023 1.65

21/3/2023

0.279

20/3/2023

0.215

17/3/2023

0.248

14/3/2023

0.167

13/3/2023

0.162

10/3/2023 0.305
8/3/2023 0.244
7/3/2023 0.675
Skinner Road
19/11/2024 0.527
15/11/2024 0.649
7/11/2024 0.765
30/10/2024 0.946
25/10/2024 0.589
16/10/20241.11
7/10/2024 0.709
3/10/2024 0.206
30/09/2024 0.422
25/09/2024 0.617
16/09/2024 0.745
13/09/2024 0.757
04/09/2024 0.668
26/08/2024 0.027
21/08/2024 0.648
15/08/2024 0.563
7/08/2024 0.572
30/07/2024 0.605
23/07/2024 0.364
15/07/2024 0.535
12/07/2024 0.69
05/07/2024 0.877
05/07/2024 0.953
04/07/2024 0.747
25/06/2024 0.638
21/06/2024 0.657
13/06/2024 0.577
07/06/2024 0.492
04/06/2024 0.747
30/05/2024 0.564
21/05/2024 0.68
17/05/2024 0.449
09/05/2024 0.594
01/05/2024 0.576
26/04/2024 0.61
19/04/2024 0.608
17/04/2024 0.85
17/04/2024 0.879
12/04/2024 0.535
10/04/2024 0.699
08/04/2024 0.697
04/04/20241.02
03/04/2024 0.852
02/04/2024 0.99
30/03/2024 0.372
28/03/2024 0.513
27/03/2024 0.745
18/03/2024 0.402
15/03/2024 0.005
06/03/2024 0.628
26/02/2024 0.275
23/02/2024 0.496
15/02/2024 0.279
07/02/2024 0.572
30/01/2024 0.547
23/01/2024 0.725
15/01/2024 0.876
12/01/2024 0.583
05/01/2024 0.818
04/01/2024 0.864
20/12/2023 0.699
05/12/2023 0.456
28/11/2023 0.401
17/10/2023 0.132
11/10/2023 0.195
02/10/2023 0.243
29/09/2023 0.247
20/09/2023 0.592
12/9/2023 0.14
4/9/2023 0.43
30/08/2023 0.168
14/8/2023 0.22
8/8/2023 0.35
1/8/2023 0.24
24/7/2023 0.581
17/7/2023 0.296
11/7/2023 0.155
6/7/2023 0.455
28/6/2023

0.089

20/6/2023

0.829

14/6/2023

0.016

7/6/2023

0.203

1/6/2023

0.661

24/5/2023

0.317

15/5/2023

0.257

10/5/2023

0.057

3/5/2023

0.43

1/5/2023

0.418

28/4/2023

0.427

27/4/2023

0.137

26/4/2023

0.276

21/4/2023

0.084

20/4/2023

0.064

17/4/2023

0.212

14/4/2023

0.019

13/4/2023

0.106

12/4/2023

0.516

6/4/2023

0.13

4/4/2023

0.226

3/4/2023

0.356

31/3/2023

0.572

30/3/2023

1.04

27/03/2023

0.35

24/3/2023

1.47

21/3/2023

0.1

20/3/2023

0.029

17/3/2023

0.179

14/3/2023

0.099

13/3/2023

0.156

10/3/2023

0.039

8/3/2023

0.227

7/2/2023

0.214

17/2/2023

0.476

Other locations
Sample site & dateAluminium (mg/l)
19/11/2024 Waitahuna Township 0.526
7/10/2024 Waitahuna Township 0.707
30/09/2024 Waitahuna Township 0.485
16/09/2024 Waitahuna Township 0.813
26/08/2024 Waitahuna Township 0.446
21/08/2024 Waitahuna Township 0.445
23/07/2024 Waitahuna Township 0.367
15/07/2024 Waitahuna Township 0.556
04/07/2024 Waitahuna Township 0.923
25/06/2024 Waitahuna Township 0.604
07/06/2024 Waitahuna Township 0.506
21/05/2024 Waitahuna Township 0.6846
17/05/2024 Waitahuna Township 0.521
09/05/2024 Waitahuna Township 0.5943
26/04/2024 Waitahuna Township 0.717
02/04/2024 Waitahuna Township 0.862
18/03/2024 Waitahuna Township 0.524
26/02/2024 Waitahuna Township 0.426
23/01/2024 Waitahuna Township 0.66
15/01/2024 Waitahuna Township 0.992
15/11/2024 Bal 2 Smiths Track 0.969
25/10/2024 Bal 2 Smiths Track 0.791
3/10/2024 Bal 2 Smiths Track 0.227
13/09/2024 Bal 2 Smiths Track 0.877
23/08/2024 Bal 2 Smith Track 0.774
21/08/2024 Bal 2 Smiths Track 0.776
12/07/2024 Bal 2 Smiths Track 0.65
05/07/2024 Bal 2 Smiths Track1.16
05/07/2024 Bal 2 Smiths Track2.35
21/06/2024 Bal 2 Smith Track1.2
07/06/2024 Bal 2 Smiths Track 0.626
17/05/2024 Bal 2 Smiths Track 0.407
01/05/2024 Bal 2 Smiths Track 0.537
17/04/2024 Bal 2 Smiths Track1.64
04/04/2024 Bal 2 Smiths Track 0.901
15/03/2024 Bal 2 Smiths Track 0.039
23/02/2024 Bal 2 Smiths Track 0.495
30/01/2024 Bal 2 Smiths Track 0.606
19/01/2024 Bal 2 Smiths Track 0.904
15/01/2024 Bal 2 Smiths Track 0.764
12/01/2024 Bal 2 Smiths Track 0.746
09/01/2024 Bal 2 Smiths Track1.01
05/01/2024 Bal 2 Smiths Track 0.936
20/12/2023 Bal 2 Smiths Track1.27
7/11/2024 East Link Road 0.755
30/10/2024 East Link Road 0.615
16/10/2024East Link Road1.08
25/09/2024 East Link Road 0.562
04/09/2024 East Link Road1.18
16/08/2024 East Link Road 0.6
15/08/2024 East Link Road 0.565
7/08/2024 East Link Road 0.694
30/07/2024 East Link Road 0.591
04/07/2024 East Link Road 0.645
13/06/2024 East Link Road 0.694
04/06/2024 East Link Road 0.813
30/05/2024 East Link Road 0.509
08/04/2024 East Link Road 0.822
27/03/2024 East Link Road 0.756
06/03/2024 East Link Road2.35
15/02/2024 East Link Road 0.481
07/02/2024 East Link Road 0.502
30/01/2024 East Link Road 0.345
04/01/2024 East Link Road 0.869

19/2/2023 East Link Road

0.248

7/11/2024 Ururua Road 0.825
30/10/2024 Ururua Road1.03
16/10/2024 Ururua Road 0.947
25/09/2024 Ururua Road 0.665
04/09/2024 Ururua Road 0.754
15/08/2024 Ururua Road 0.637
7/08/2024 Ururua Road 0.785
30/07/2024 Ururua Road 0.596
04/07/2024 Ururua Road 0.846
13/06/2024 Ururua Road 0.64
30/05/2024 Ururua Road 0.573
08/04/2024 Ururua Road 0.812
27/03/2024 Ururua Road 0.679
06/03/2024 Ururua Road 0.619
15/02/2024 Ururua Road 0.519
07/02/2024 Ururua Road 0.531
30/01/2024 Ururua Road 0.637
29/01/2024 Ururua Road 0.671
25/01/2024 Ururua Road 0.671
12/01/2024 Ururua Road 0.638
08/01/2024 Ururua Road 0.82
04/01/2024 Ururua Road 0.969

19/2/2023 Ururua Road

0.378


Puerua Water Treatment Plant and Reticulation (Richardson South and Kaka Point)

Puerua Water Treatment Plant

Sample date

Aluminium (mg/l)

24/05/2024 0.083
13/05/2024 0.036
16/02/2024 0.095
01/02/2024 0.127
17/01/2024 0.543
12/01/2024 0.029
09/01/2024 0.025
08/01/2024 0.019
05/01/2024 0.033
04/01/2024 0.066
03/01/2024 0.032
28/12/2023 0.03
27/12/2023 0.038
23/12/2023 0.036
22/12/2023 0.993
21/12/2023 0.97
20/12/2023 0.095
05/12/2023 0.062
13/11/2023 0.036
18/08/2023 0.099
1/5/2023 0.054
28/4/2023 0.049
27/4/2023 0.662
26/4/2023 0.866
21/4/2023 0.083
20/4/2023 0.074
17/4/2023 0.096
13/4/2023 0.745
12/4/2023 0.264
6/4/2023 0.171
4/4/2023 2.3
3/4/2023 1.13
31/3/2023 1.69
30/3/2023 1.38
27/3/2023 8.1
24/3/2023 2.97

22/3/2023

7.33

21/3/2023

0.244

20/3/2023

2.09

17/3/2023

4.63

14/3/2023

3.02

13/3/2023

4.12

10/3/2023

0.674

8/3/2023

6.19

7/3/2023

2.11

2/3/2023

0.062

17/2/2023

0.914

2/2/2023

6.58

18/1/2023

3.57

Kamahi St, Kaka Point

Sample date

Aluminium (mg/l)

30/05/2024 0.057
24/05/2024 0.249
21/05/2024 0.042
05/09/2024 0.114
26/02/2024 0.369
07/02/2024 0.048
15/01/2024 0.054
09/01/2024 0.054
05/01/2024 0.091
03/01/2024 0.04
28/12/2023 0.139
23/12/2023 0.234
22/12/2023 0.061
3/5/2023 0.064
1/5/2023 0.142
28/4/2023 0.448
27/4/2023 0.268
26/4/2023 0.181
21/4/2023 0.076
20/4/2023 0.079
17/4/2023 0.273
13/4/2023 0.078
12/4/2023 0.146
6/4/2023 0.27
4/4/2023 0.458
3/4/2023 0.149
31/3/2023 0.264
30/3/2023 0.062

27/3/2023

0.302

24/3/2023 0.089

21/3/2023

0.104

20/3/2023

0.251

17/3/2023

0.319

14/3/2023

0.433

13/3/2023

1.53

10/3/2023

0.159

8/3/2023

1.51

7/3/2023

2.09

2/3/2023

0.383

19/2/2023

1.7

Jacks Hill Rd

Sample date

Aluminium (mg/l)

22/05/20241.11
19/02/2024 0.023
15/01/2024 0.833
09/01/2024 0.266
05/01/20244.59
03/01/2024 0.048
23/12/2023 0.14
22/12/2023 0.818
21/12/2023 0.139
3/5/2023 0.038
1/5/2023 0.055
28/4/2023 0.238
27/4/2023 0.372
26/4/2023 0.051
21/4/2023 0.057
20/4/2023 0.132
17/4/23 0.102
13/4/2023 0.069
12/4/2023 0.039
6/4/2023 0.095
4/4/2023 1.17
3/4/2023 0.755
31/3/2023 2.53
30/3/2023 1.09
27/3/2023 6.06
24/3/2023 8.19

21/3/2023

2.51

20/3/2023

6.59

17/3/2023

2.55

14/3/2023

1.28

13/03/2023

2.71

10/3/2023

9.2

8/03/2023 15.7

7/3/2023

22

2/3/2023

2.69

19/2/2023

12.7

Romahapa Booster

Sample date

Aluminium (mg/l)

30/05/2024 0.024
20/05/2024 0.042
19/05/2024 0.038
23/02/2024 0.054
15/02/2024 0.023
12/01/2024 0.062
04/01/2024 0.019
27/12/2023 0.026
3/5/2023 0.085
1/5/2023 0.083
28/4/2023 0.156
27/4/2023 0.852
26/4/2023 0.412
21/4/2023 0.114
20/4/2023 0.127
17/4/2023 0.106
13/4/2023 0.088
12/4/2023 0.085
6/4/2023 0.178
4/4/2023 0.239
3/4/2023 0.234
31/3/2023 0.248
30/3/2023 0.312
27/3/2023 0.443
24/3/2023 1.08

21/3/2023

0.483

20/3/2023

0.297

17/3/2023

0.405

14/3/2023

0.408

13/3/2023

1.06

10/3/2023

1.61

8/3/2023

0.795

7/3/2023

1.02

19/2/2023

0.973

Other locations

Sample site & dateAluminium (mg/l)
30/05/2024 Paretai Hall Settlement Road 0.044
21/05/2024 Paretai Hall Settlement Road 0.035
30/01/2024
Paretai Hall Settlement Road 		0.229
23/01/2024
Paretai Hall Settlement Road 		0.034
17/05/2024 Kaka Point Fire Station 0.126
23/02/2024 Kaka Point Fire Station 0.638
15/02/2024
Kaka Point Fire Station 		0.062
30/01/2024
Kaka Point Fire Station 		0.164
23/01/2024
Kaka Point Fire Station 		0.147
12/01/2024
Kaka Point Fire Station 		0.136
08/01/2024
Kaka Point Fire Station 		0.053
04/01/2024
Kaka Point Fire Station 		0.048
30/12/2023
Kaka Point Fire Station 		0.071
27/12/2023
Kaka Point Fire Station 		0.186
23/12/2023
Kaka Point Fire Station 		0.108
22/12/2023
Kaka Point Fire Station 		0.067
21/12/2023
Kaka Point Fire Station 		0.075
04/01/2024
Romahapa School 		0.019
27/12/2023
Romahapa School 		0.026
30/05/2024 Freezing Works Road 0.027
22/05/2024 Freezing Works Road 0.043
20/05/2024 Freezing Works Road 0.022
17/05/2024 Freezing Works Road 0.024
09/05/2024 Freezing Works Road3.21
26/02/2024 Freezing Works Road 0.037
20/02/2024 Freezing Works Road 0.018
07/02/2024 Freezing Works Road 0.046
08/01/2024 Freezing Works Road 0.024
05/01/2024 Freezing Works Road 0.015
28/12/2023 Freezing Works Road 0.035
23/12/2023 Freezing Works Road 0.193
22/12/2023 Freezing Works Road1.18
21/12/2023 Freezing Works Road 0.316

19/2/2023 Freezing Works Rd

0.695

Maps of affected water schemes

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