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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

MS0140047 , Water Association of Moon Lake

11 of the 13 analytes this system has been tested for have been detected at least once, across 201 samples on record.

The other 2 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 201 samples on record, detections range from December 2, 1993 to November 18, 2025. These figures cover the whole record; the list of samples further down is narrowed.

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 Water Association of Moon Lake, 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
Lead 1030 Inorganic Chemical 127 of 156 results Dec 2, 1993 Sep 9, 2025
Copper, Free 1022 Inorganic Chemical 119 of 156 results Dec 2, 1993 Sep 9, 2025
TTHM 2950 Organic Chemical 25 of 27 results May 17, 2004 Nov 18, 2025
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 23 of 28 results May 17, 2004 Aug 12, 2025
Chloroform 2941 Organic Chemical 21 of 22 results Sep 12, 2006 Nov 18, 2025
Bromodichloromethane 2943 Organic Chemical 20 of 22 results Sep 12, 2006 Nov 18, 2025
Dibromochloromethane 2944 Organic Chemical 20 of 22 results Sep 12, 2006 Nov 18, 2025
Dichloroacetic Acid 2451 Organic Chemical 16 of 20 results Jun 23, 2008 Aug 12, 2025
Trichloroacetic Acid 2452 Organic Chemical 16 of 20 results Jun 23, 2008 Aug 12, 2025
Dibromoacetic Acid 2454 Organic Chemical 13 of 20 results Jun 23, 2008 Aug 12, 2025
Monobromoacetic Acid 2453 Organic Chemical 1 of 20 results Jun 29, 2009 Jun 29, 2009

Showing samples collected between September 25, 2024 and September 25, 2026. That is this page’s default, not a limit on what the agency records.

Show every sample on record

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The most recent samples, result by result

The table below lists 11–14 of 14 samples, newest first — collected November 12, 2024 to September 6, 2025. The summary above covers all 14.

30 results from the 4 samples listed here: 17 detected, 13 not detected. 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 2 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 Water Association of Moon Lake, every result from 11 to 14 of 14 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
Sep 6, 2025 09:53
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
PB-250910-036
Laboratory
MSDH Lab
0.0121 mg/l , sample collected Sep 6, 2025 09:53, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 6, 2025 09:53, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Aug 12, 2025 12:05
Sampling point
SM3 Location withheld
Sample type
Routine
Lab sample
810-159660-1
Laboratory
Eurofins Eaton Analytical South Bend in
Not detected below 2 ug/l Minimum Reporting Level , sample collected Aug 12, 2025 12:05, sampling point SM3 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
8.5 ug/l , sample collected Aug 12, 2025 12:05, sampling point SM3 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
9.7 ug/l , sample collected Aug 12, 2025 12:05, sampling point SM3 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Aug 12, 2025 12:05, sampling point SM3 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
1.8 ug/l , sample collected Aug 12, 2025 12:05, sampling point SM3 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
20 ug/l , sample collected Aug 12, 2025 12:05, sampling point SM3 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Jan 1, 2025 – Dec 31, 2025
Collected
Nov 12, 2024 12:45
Sampling point
SM4 Location withheld
Sample type
Routine
Lab sample
810-127861-2
Laboratory
Eurofins Eaton Analytical South Bend in
Not detected below 2 ug/l Minimum Reporting Level , sample collected Nov 12, 2024 12:45, sampling point SM4 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
16 ug/l , sample collected Nov 12, 2024 12:45, sampling point SM4 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
19 ug/l , sample collected Nov 12, 2024 12:45, sampling point SM4 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Nov 12, 2024 12:45, sampling point SM4 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
2 ug/l , sample collected Nov 12, 2024 12:45, sampling point SM4 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
37 ug/l , sample collected Nov 12, 2024 12:45, sampling point SM4 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Not recorded
25 ug/l , sample collected Nov 12, 2024 12:45, sampling point SM4 Chloroform 2941 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Nov 12, 2024 12:45, sampling point SM4 Bromoform 2942 EPA method 524.2 Not recorded
16 ug/l , sample collected Nov 12, 2024 12:45, sampling point SM4 Bromodichloromethane 2943 EPA method 524.2 Not recorded
7.9 ug/l , sample collected Nov 12, 2024 12:45, sampling point SM4 Dibromochloromethane 2944 EPA method 524.2 Not recorded
48.9 ug/l , sample collected Nov 12, 2024 12:45, sampling point SM4 TTHM 2950 EPA method 524.2 Not recorded
Collected
Nov 12, 2024 13:00
Sampling point
SM4 Location withheld
Sample type
Routine
Lab sample
810-127861-1
Laboratory
Eurofins Eaton Analytical South Bend in
Not detected below 2 ug/l Minimum Reporting Level , sample collected Nov 12, 2024 13:00, sampling point SM4 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Nov 12, 2024 13:00, sampling point SM4 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Nov 12, 2024 13:00, sampling point SM4 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Nov 12, 2024 13:00, sampling point SM4 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Nov 12, 2024 13:00, sampling point SM4 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
Not detected below 2 ug/l Minimum Reporting Level , sample collected Nov 12, 2024 13:00, sampling point SM4 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Not recorded
28 ug/l , sample collected Nov 12, 2024 13:00, sampling point SM4 Chloroform 2941 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Nov 12, 2024 13:00, sampling point SM4 Bromoform 2942 EPA method 524.2 Not recorded
18 ug/l , sample collected Nov 12, 2024 13:00, sampling point SM4 Bromodichloromethane 2943 EPA method 524.2 Not recorded
8 ug/l , sample collected Nov 12, 2024 13:00, sampling point SM4 Dibromochloromethane 2944 EPA method 524.2 Not recorded
54 ug/l , sample collected Nov 12, 2024 13:00, sampling point SM4 TTHM 2950 EPA method 524.2 Not recorded

Routine (4).