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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

MS0260027 , West Holmes Water Association

22 of the 57 analytes this system has been tested for have been detected at least once, across 360 samples on record.

The other 35 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 360 samples on record, detections range from February 28, 1996 to November 3, 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 West Holmes 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 152 of 215 results Sep 30, 1997 Jul 17, 2023
Lead 1030 Inorganic Chemical 96 of 215 results Feb 28, 1996 Jul 17, 2023
TTHM 2950 Organic Chemical 14 of 14 results Jun 7, 2004 Nov 3, 2025
Barium 1010 Inorganic Chemical 13 of 13 results Sep 17, 2003 Feb 5, 2024
Fluoride 1025 Inorganic Chemical 13 of 13 results Sep 17, 2003 Feb 5, 2024
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 11 of 12 results Sep 24, 2007 Nov 3, 2025
Chromium 1020 Inorganic Chemical 11 of 13 results Sep 17, 2003 Feb 5, 2024
Chloroform 2941 Organic Chemical 9 of 9 results Aug 8, 2007 Nov 3, 2025
Bromodichloromethane 2943 Organic Chemical 9 of 9 results Aug 8, 2007 Nov 3, 2025
Dichloroacetic Acid 2451 Organic Chemical 7 of 7 results Sep 24, 2007 Nov 3, 2025
Trichloroacetic Acid 2452 Organic Chemical 7 of 7 results Sep 24, 2007 Nov 3, 2025
Gross Alpha, Incl. Radon & U 4002 Radionuclide 5 of 10 results Dec 13, 2011 Jul 10, 2012
Xylenes, Total 2955 Organic Chemical 3 of 32 results Apr 28, 2008 Jan 25, 2010
Nitrate-Nitrite 1038 Inorganic Chemical 2 of 39 results Feb 10, 2025 Feb 10, 2025
Nitrate 1040 Inorganic Chemical 2 of 39 results Feb 10, 2025 Feb 10, 2025
Sodium 1052 Inorganic Chemical 2 of 2 results Feb 4, 2025 Feb 4, 2025
Monobromoacetic Acid 2453 Organic Chemical 2 of 7 results Jul 31, 2019 Aug 25, 2020
Selenium 1045 Inorganic Chemical 2 of 13 results Mar 15, 2005 Feb 6, 2006
Sulfate 1055 Inorganic Chemical 2 of 2 results Sep 17, 2003 Feb 9, 2004
Monochloroacetic Acid 2450 Organic Chemical 1 of 7 results Jul 31, 2019 Jul 31, 2019
Nickel 1036 Inorganic Chemical 1 of 13 results Apr 14, 2008 Apr 14, 2008
Cadmium 1015 Inorganic Chemical 1 of 13 results Mar 15, 2005 Mar 15, 2005

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

Choose a date range

The most recent samples, result by result

The table below lists 1–10 of 12 samples, newest first — collected February 10, 2025 to February 10, 2026. The summary above covers all 12.

35 results from the 10 samples listed here: 16 detected, 19 not detected. Across the whole record it is 365 of 1,527. A sample is analysed for many analytes at once, so one sample appears on as many rows as it had results.

Chemical and radiological sample results for West Holmes Water Association, every result from 1 to 10 of 12 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
Feb 10, 2026 09:00
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
NI-260211-019
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Feb 10, 2026 09:00, sampling point TF101 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2026 – Dec 31, 2026
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Feb 10, 2026 09:00, sampling point TF101 Nitrate 1040 EPA method QC10107041C Jan 1, 2026 – Dec 31, 2026
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Feb 10, 2026 09:00, sampling point TF101 Nitrite 1041 EPA method QC10107041C Jan 1, 2026 – Dec 31, 2026
Collected
Feb 10, 2026 08:15
Sampling point
TF102 Treatment PLNT T102
Sample type
Routine
Lab sample
NI-260211-018
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Feb 10, 2026 08:15, sampling point TF102 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2026 – Dec 31, 2026
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Feb 10, 2026 08:15, sampling point TF102 Nitrate 1040 EPA method QC10107041C Jan 1, 2026 – Dec 31, 2026
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Feb 10, 2026 08:15, sampling point TF102 Nitrite 1041 EPA method QC10107041C Jan 1, 2026 – Dec 31, 2026
Collected
Nov 3, 2025 12:54
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
810-170389-4
Laboratory
Eurofins Eaton Analytical South Bend in
13 ug/l , sample collected Nov 3, 2025 12:54, sampling point DS000 Chloroform 2941 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Nov 3, 2025 12:54, sampling point DS000 Bromoform 2942 EPA method 524.2 Not recorded
2.7 ug/l , sample collected Nov 3, 2025 12:54, sampling point DS000 Bromodichloromethane 2943 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Nov 3, 2025 12:54, sampling point DS000 Dibromochloromethane 2944 EPA method 524.2 Not recorded
15.7 ug/l , sample collected Nov 3, 2025 12:54, sampling point DS000 TTHM 2950 EPA method 524.2 Not recorded
Collected
Nov 3, 2025 12:38
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
810-170389-3
Laboratory
Eurofins Eaton Analytical South Bend in
13 ug/l , sample collected Nov 3, 2025 12:38, sampling point DS000 Chloroform 2941 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Nov 3, 2025 12:38, sampling point DS000 Bromoform 2942 EPA method 524.2 Not recorded
2.8 ug/l , sample collected Nov 3, 2025 12:38, sampling point DS000 Bromodichloromethane 2943 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Nov 3, 2025 12:38, sampling point DS000 Dibromochloromethane 2944 EPA method 524.2 Not recorded
15.8 ug/l , sample collected Nov 3, 2025 12:38, sampling point DS000 TTHM 2950 EPA method 524.2 Not recorded
Collected
Nov 3, 2025 12:15
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
810-170389-2
Laboratory
Eurofins Eaton Analytical South Bend in
13 ug/l , sample collected Nov 3, 2025 12:15, sampling point DS000 Chloroform 2941 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Nov 3, 2025 12:15, sampling point DS000 Bromoform 2942 EPA method 524.2 Not recorded
2.6 ug/l , sample collected Nov 3, 2025 12:15, sampling point DS000 Bromodichloromethane 2943 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Nov 3, 2025 12:15, sampling point DS000 Dibromochloromethane 2944 EPA method 524.2 Not recorded
15.6 ug/l , sample collected Nov 3, 2025 12:15, sampling point DS000 TTHM 2950 EPA method 524.2 Not recorded
Collected
Nov 3, 2025 11:45
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
810-170389-1
Laboratory
Eurofins Eaton Analytical South Bend in
Not detected below 2 ug/l Minimum Reporting Level , sample collected Nov 3, 2025 11:45, sampling point DS000 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
5.3 ug/l , sample collected Nov 3, 2025 11:45, sampling point DS000 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
7.3 ug/l , sample collected Nov 3, 2025 11:45, sampling point DS000 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Nov 3, 2025 11:45, sampling point DS000 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Nov 3, 2025 11:45, sampling point DS000 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
12.6 ug/l , sample collected Nov 3, 2025 11:45, sampling point DS000 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Not recorded
Collected
Jun 23, 2025 12:20
Sampling point
TF102 Treatment PLNT T102
Sample type
Routine
Lab sample
CN-250624-016
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Jun 23, 2025 12:20, sampling point TF102 Cyanide 1024 EPA method QC10204001X Jan 1, 2023 – Dec 31, 2025
Collected
Jun 23, 2025 12:00
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
CN-250624-015
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Jun 23, 2025 12:00, sampling point TF101 Cyanide 1024 EPA method QC10204001X Jan 1, 2023 – Dec 31, 2025
Collected
Feb 10, 2025 11:30
Sampling point
TF102 Treatment PLNT T102
Sample type
Routine
Lab sample
NI-250211-030
Laboratory
MSDH Lab
0.101 mg/l , sample collected Feb 10, 2025 11:30, sampling point TF102 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
0.101 mg/l , sample collected Feb 10, 2025 11:30, sampling point TF102 Nitrate 1040 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Feb 10, 2025 11:30, sampling point TF102 Nitrite 1041 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Collected
Feb 10, 2025 12:45
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
NI-250211-031
Laboratory
MSDH Lab
0.102 mg/l , sample collected Feb 10, 2025 12:45, sampling point TF101 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
0.102 mg/l , sample collected Feb 10, 2025 12:45, sampling point TF101 Nitrate 1040 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Feb 10, 2025 12:45, sampling point TF101 Nitrite 1041 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025

Routine (10).