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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 11–20 of 81 samples, newest first — collected June 22, 2021 to June 1, 2022. The summary above covers all 81.

18 results from the 10 samples listed here: 10 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.

We withheld the location of 5 sampling points 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 11 to 20 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 1, 2022 07:15
Sampling point
LC0002 Location withheld
Sample type
Routine
Lab sample
PB-220602-014
Laboratory
MSDH Lab
0.001 mg/l , sample collected Jun 1, 2022 07:15, sampling point LC0002 Copper, Free 1022 EPA method 200.8 Jan 1, 2022 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 1, 2022 07:15, sampling point LC0002 Lead 1030 EPA method 200.8 Jan 1, 2022 – Dec 31, 2022
Collected
Jun 1, 2022 07:00
Sampling point
LC0003 Location withheld
Sample type
Routine
Lab sample
PB-220602-013
Laboratory
MSDH Lab
0.0018 mg/l , sample collected Jun 1, 2022 07:00, sampling point LC0003 Copper, Free 1022 EPA method 200.8 Jan 1, 2022 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 1, 2022 07:00, sampling point LC0003 Lead 1030 EPA method 200.8 Jan 1, 2022 – Dec 31, 2022
Collected
Jun 1, 2022 07:00
Sampling point
LC0004 Location withheld
Sample type
Routine
Lab sample
PB-220602-012
Laboratory
MSDH Lab
0.0065 mg/l , sample collected Jun 1, 2022 07:00, sampling point LC0004 Copper, Free 1022 EPA method 200.8 Jan 1, 2022 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 1, 2022 07:00, sampling point LC0004 Lead 1030 EPA method 200.8 Jan 1, 2022 – Dec 31, 2022
Collected
Jun 1, 2022 10:00
Sampling point
LC0005 Location withheld
Sample type
Routine
Lab sample
PB-220602-011
Laboratory
MSDH Lab
0.0067 mg/l , sample collected Jun 1, 2022 10:00, sampling point LC0005 Copper, Free 1022 EPA method 200.8 Jan 1, 2022 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 1, 2022 10:00, sampling point LC0005 Lead 1030 EPA method 200.8 Jan 1, 2022 – Dec 31, 2022
Collected
Aug 18, 2021 14:30
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
HA-210819-007
Laboratory
MSDH Lab
1.95 ug/l , sample collected Aug 18, 2021 14:30, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Jan 1, 2019 – Dec 31, 2021
Collected
Aug 18, 2021 14:30
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
TH-210819-007
Laboratory
MSDH Lab
9.06 ug/l , sample collected Aug 18, 2021 14:30, sampling point MRT000 TTHM 2950 EPA method 524.2 Jan 1, 2019 – Dec 31, 2021
Collected
Jun 22, 2021 06:00
Sampling point
LC0006 Location withheld
Sample type
Routine
Lab sample
PB-210623-047
Laboratory
MSDH Lab
0.0052 mg/l , sample collected Jun 22, 2021 06:00, sampling point LC0006 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 LC0006 Lead 1030 EPA method 200.8 Jan 1, 2021 – Dec 31, 2021
Collected
Jun 22, 2021 07:00
Sampling point
LC0005 Location withheld
Sample type
Routine
Lab sample
PB-210623-046
Laboratory
MSDH Lab
0.0039 mg/l , sample collected Jun 22, 2021 07:00, sampling point LC0005 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 07:00, sampling point LC0005 Lead 1030 EPA method 200.8 Jan 1, 2021 – Dec 31, 2021
Collected
Jun 22, 2021 07:00
Sampling point
LC0003 Location withheld
Sample type
Routine
Lab sample
PB-210623-045
Laboratory
MSDH Lab
0.0056 mg/l , sample collected Jun 22, 2021 07:00, sampling point LC0003 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 07:00, sampling point LC0003 Lead 1030 EPA method 200.8 Jan 1, 2021 – Dec 31, 2021
Collected
Jun 22, 2021 07:00
Sampling point
LC0002 Location withheld
Sample type
Routine
Lab sample
PB-210623-044
Laboratory
MSDH Lab
0.0012 mg/l , sample collected Jun 22, 2021 07:00, sampling point LC0002 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 07:00, sampling point LC0002 Lead 1030 EPA method 200.8 Jan 1, 2021 – Dec 31, 2021

Routine (10).