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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.

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

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 161–170 of 360 samples, newest first — collected April 13, 2009 to June 18, 2009. The summary above covers all 360.

40 results from the 10 samples listed here: 14 detected, 26 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 161 to 170 of 360 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 18, 2009
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
090619-050PB
Laboratory
MSDH Lab
0.0402 mg/l , sample collected Jun 18, 2009, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
0.0013 mg/l , sample collected Jun 18, 2009, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
Collected
Jun 18, 2009
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
090619-049PB
Laboratory
MSDH Lab
0.0095 mg/l , sample collected Jun 18, 2009, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 18, 2009, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
Collected
Jun 18, 2009
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
090619-006PB
Laboratory
MSDH Lab
0.0249 mg/l , sample collected Jun 18, 2009, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
0.0006 mg/l , sample collected Jun 18, 2009, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
Collected
Jun 18, 2009
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
090619-005PB
Laboratory
MSDH Lab
0.0102 mg/l , sample collected Jun 18, 2009, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
0.0022 mg/l , sample collected Jun 18, 2009, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
Collected
Jun 18, 2009
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
090619-004PB
Laboratory
MSDH Lab
0.0195 mg/l , sample collected Jun 18, 2009, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
0.0022 mg/l , sample collected Jun 18, 2009, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
Collected
Jun 18, 2009
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
090619-003PB
Laboratory
MSDH Lab
0.0113 mg/l , sample collected Jun 18, 2009, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
0.0005 mg/l , sample collected Jun 18, 2009, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
Collected
Jun 18, 2009
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
090619-002PB
Laboratory
MSDH Lab
0.0171 mg/l , sample collected Jun 18, 2009, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
0.0019 mg/l , sample collected Jun 18, 2009, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
Collected
Jun 18, 2009
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
090619-001PB
Laboratory
MSDH Lab
0.0186 mg/l , sample collected Jun 18, 2009, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 18, 2009, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
Collected
May 5, 2009
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
090506-011VO
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Method Detection Limit , sample collected May 5, 2009, sampling point TF101 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Apr 1, 2009 – Jun 30, 2009
Not detected below 0.0005 mg/l Method Detection Limit , sample collected May 5, 2009, sampling point TF101 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Apr 1, 2009 – Jun 30, 2009
Not detected below 0.0005 mg/l Method Detection Limit , sample collected May 5, 2009, sampling point TF101 Xylenes, Total 2955 EPA method 524.2 Apr 1, 2009 – Jun 30, 2009
Not detected below 0.0005 mg/l Method Detection Limit , sample collected May 5, 2009, sampling point TF101 Dichloromethane 2964 EPA method 524.2 Apr 1, 2009 – Jun 30, 2009
Not detected below 0.0005 mg/l Method Detection Limit , sample collected May 5, 2009, sampling point TF101 O-Dichlorobenzene 2968 EPA method 524.2 Apr 1, 2009 – Jun 30, 2009
Not detected below 0.0005 mg/l Method Detection Limit , sample collected May 5, 2009, sampling point TF101 P-Dichlorobenzene 2969 EPA method 524.2 Apr 1, 2009 – Jun 30, 2009
Not detected below 0.0005 mg/l Method Detection Limit , sample collected May 5, 2009, sampling point TF101 Vinyl Chloride 2976 EPA method 524.2 Apr 1, 2009 – Jun 30, 2009
Not detected below 0.0005 mg/l Method Detection Limit , sample collected May 5, 2009, sampling point TF101 1,1-Dichloroethylene 2977 EPA method 524.2 Apr 1, 2009 – Jun 30, 2009
Not detected below 0.0005 mg/l Method Detection Limit , sample collected May 5, 2009, sampling point TF101 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Apr 1, 2009 – Jun 30, 2009
Not detected below 0.0005 mg/l Method Detection Limit , sample collected May 5, 2009, sampling point TF101 1,2-Dichloroethane 2980 EPA method 524.2 Apr 1, 2009 – Jun 30, 2009
Not detected below 0.0005 mg/l Method Detection Limit , sample collected May 5, 2009, sampling point TF101 1,1,1-Trichloroethane 2981 EPA method 524.2 Apr 1, 2009 – Jun 30, 2009
Not detected below 0.0005 mg/l Method Detection Limit , sample collected May 5, 2009, sampling point TF101 Carbon Tetrachloride 2982 EPA method 524.2 Apr 1, 2009 – Jun 30, 2009
Not detected below 0.0005 mg/l Method Detection Limit , sample collected May 5, 2009, sampling point TF101 1,2-Dichloropropane 2983 EPA method 524.2 Apr 1, 2009 – Jun 30, 2009
Not detected below 0.0005 mg/l Method Detection Limit , sample collected May 5, 2009, sampling point TF101 Trichloroethylene 2984 EPA method 524.2 Apr 1, 2009 – Jun 30, 2009
Not detected below 0.0005 mg/l Method Detection Limit , sample collected May 5, 2009, sampling point TF101 1,1,2-Trichloroethane 2985 EPA method 524.2 Apr 1, 2009 – Jun 30, 2009
Not detected below 0.0005 mg/l Method Detection Limit , sample collected May 5, 2009, sampling point TF101 Tetrachloroethylene 2987 EPA method 524.2 Apr 1, 2009 – Jun 30, 2009
Not detected below 0.0005 mg/l Method Detection Limit , sample collected May 5, 2009, sampling point TF101 Chlorobenzene 2989 EPA method 524.2 Apr 1, 2009 – Jun 30, 2009
Not detected below 0.0005 mg/l Method Detection Limit , sample collected May 5, 2009, sampling point TF101 Benzene 2990 EPA method 524.2 Apr 1, 2009 – Jun 30, 2009
Not detected below 0.0005 mg/l Method Detection Limit , sample collected May 5, 2009, sampling point TF101 Toluene 2991 EPA method 524.2 Apr 1, 2009 – Jun 30, 2009
Not detected below 0.0005 mg/l Method Detection Limit , sample collected May 5, 2009, sampling point TF101 Ethylbenzene 2992 EPA method 524.2 Apr 1, 2009 – Jun 30, 2009
Not detected below 0.0005 mg/l Method Detection Limit , sample collected May 5, 2009, sampling point TF101 Styrene 2996 EPA method 524.2 Apr 1, 2009 – Jun 30, 2009
Collected
Apr 13, 2009
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
090414-028NI
Laboratory
MSDH Lab
Not detected below 0.25 mg/l Minimum Reporting Level , sample collected Apr 13, 2009, sampling point TF101 Nitrate-Nitrite 1038 EPA method 353.2 Jan 1, 2009 – Dec 31, 2009
Not detected below 0.2 mg/l Minimum Reporting Level , sample collected Apr 13, 2009, sampling point TF101 Nitrate 1040 EPA method 353.2 Jan 1, 2009 – Dec 31, 2009
Not detected below 0.05 mg/l Minimum Reporting Level , sample collected Apr 13, 2009, sampling point TF101 Nitrite 1041 EPA method 353.2 Jan 1, 2009 – Dec 31, 2009

Routine (10).