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This is a rebuild of Drinking Water Watch and not yet the official record. Use the agency’s current Drinking Water Watch for anything you need to rely on.

Chemical and radiological sample results

MS0810008 , Otuckolofa Water Association

9 of the 13 analytes this system has been tested for have been detected at least once, across 81 samples on record.

The other 4 were tested for and never found. An analyte is counted here if any result on record measured it, so this covers the whole history and not the samples listed below.

Across all 81 samples on record, detections range from August 30, 2004 to September 10, 2025. These figures cover the whole record.

What counts as a non-detect is defined in the help: Less than Indicator. This system’s violations.

What has been detected, ever

Every analyte measured above its reporting level at any point in this system’s record, most often detected first. This is not limited to the samples listed below.

Every analyte ever detected for Otuckolofa Water Association, with how many results found it and when it was first and last detected. Covers the whole record, not only the samples listed below.
Analyte Kind Detected in First detected Last detected
Copper, Free 1022 Inorganic Chemical 61 of 61 results Jun 23, 2011 Sep 10, 2025
TTHM 2950 Organic Chemical 10 of 10 results Aug 30, 2004 Jun 4, 2025
Lead 1030 Inorganic Chemical 6 of 61 results Jun 23, 2011 Sep 10, 2020
Bromodichloromethane 2943 Organic Chemical 6 of 6 results Jun 21, 2007 Aug 21, 2017
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 5 of 10 results Jun 21, 2007 Jun 4, 2025
Chloroform 2941 Organic Chemical 4 of 6 results Jun 21, 2007 Aug 21, 2017
Dibromochloromethane 2944 Organic Chemical 4 of 6 results Jun 21, 2007 Jul 7, 2011
Bromoform 2942 Organic Chemical 3 of 6 results Jun 21, 2007 Aug 27, 2009
Dichloroacetic Acid 2451 Organic Chemical 1 of 5 results Jul 8, 2008 Jul 8, 2008

No date range is applied: this list draws on every sample on record. Show the last two years only.

The most recent samples, result by result

The table below lists 21–30 of 81 samples, newest first — collected June 12, 2019 to June 22, 2021. The summary above covers all 81.

20 results from the 10 samples listed here: 12 detected, 8 not detected. Across the whole record it is 100 of 191. A sample is analysed for many analytes at once, so one sample appears on as many rows as it had results.

Units in this table

Lead is recorded on this page in ug/l and mg/l. 1 mg/l = 1,000 ug/l.

We withheld the location of 1 sampling point below. The location on record identifies a private home, and we do not publish those. That is our decision, not the agency’s. The sampling point, its type and every result taken there are published unchanged.

Chemical and radiological sample results for Otuckolofa Water Association, every result from 21 to 30 of 81 samples shown, newest first. Not detected means the amount was below the level the laboratory can reliably report, which is given beside it.
Result Analyte Monitoring period
Collected
Jun 22, 2021 06:00
Sampling point
LC0001 Location withheld
Sample type
Routine
Lab sample
PB-210623-043
Laboratory
MSDH Lab
0.0031 mg/l , sample collected Jun 22, 2021 06:00, sampling point LC0001 Copper, Free 1022 EPA method 200.8 Jan 1, 2021 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 22, 2021 06:00, sampling point LC0001 Lead 1030 EPA method 200.8 Jan 1, 2021 – Dec 31, 2021
Collected
Sep 10, 2020 06:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
200911-053PB
Laboratory
MSDH Lab
0.3902 mg/l , sample collected Sep 10, 2020 06:30, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2020 – Dec 31, 2020
0.0006 mg/l , sample collected Sep 10, 2020 06:30, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2020 – Dec 31, 2020
Collected
Sep 10, 2020 05:33
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
200911-052PB
Laboratory
MSDH Lab
0.1396 mg/l , sample collected Sep 10, 2020 05:33, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2020 – Dec 31, 2020
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Sep 10, 2020 05:33, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2020 – Dec 31, 2020
Collected
Sep 10, 2020 06:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
200911-051PB
Laboratory
MSDH Lab
0.3464 mg/l , sample collected Sep 10, 2020 06:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2020 – Dec 31, 2020
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Sep 10, 2020 06:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2020 – Dec 31, 2020
Collected
Sep 10, 2020 06:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
200911-050PB
Laboratory
MSDH Lab
0.6764 mg/l , sample collected Sep 10, 2020 06:30, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2020 – Dec 31, 2020
0.0007 mg/l , sample collected Sep 10, 2020 06:30, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2020 – Dec 31, 2020
Collected
Sep 10, 2020 05:50
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
200911-049PB
Laboratory
MSDH Lab
0.4546 mg/l , sample collected Sep 10, 2020 05:50, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2020 – Dec 31, 2020
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Sep 10, 2020 05:50, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2020 – Dec 31, 2020
Collected
Jun 12, 2019 07:10
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
190613-055PB
Laboratory
MSDH Lab
0.001 mg/l , sample collected Jun 12, 2019 07:10, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2019 – Dec 31, 2019
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 12, 2019 07:10, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2019 – Dec 31, 2019
Collected
Jun 12, 2019 07:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
190613-054PB
Laboratory
MSDH Lab
0.004 mg/l , sample collected Jun 12, 2019 07:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2019 – Dec 31, 2019
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 12, 2019 07:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2019 – Dec 31, 2019
Collected
Jun 12, 2019 07:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
190613-053PB
Laboratory
MSDH Lab
0.0057 mg/l , sample collected Jun 12, 2019 07:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2019 – Dec 31, 2019
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 12, 2019 07:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2019 – Dec 31, 2019
Collected
Jun 12, 2019 06:45
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
190613-052PB
Laboratory
MSDH Lab
0.0013 mg/l , sample collected Jun 12, 2019 06:45, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2019 – Dec 31, 2019
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 12, 2019 06:45, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2019 – Dec 31, 2019

Routine (10).