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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

MS0340018 , Sharon Water Works

26 of the 58 analytes this system has been tested for have been detected at least once, across 372 samples on record.

The other 32 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 372 samples on record, detections range from September 24, 2003 to February 24, 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 Sharon Water Works, 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 63 of 63 results Jul 31, 2007 Aug 22, 2023
Barium 1010 Inorganic Chemical 40 of 40 results Sep 24, 2003 Feb 24, 2025
Fluoride 1025 Inorganic Chemical 39 of 40 results Sep 24, 2003 Feb 24, 2025
Lead 1030 Inorganic Chemical 39 of 63 results Jul 31, 2007 Aug 22, 2023
TTHM 2950 Organic Chemical 26 of 30 results Sep 13, 2004 May 6, 2024
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 25 of 29 results Sep 13, 2004 May 6, 2024
Chloroform 2941 Organic Chemical 22 of 24 results Sep 18, 2006 Sep 9, 2020
Bromodichloromethane 2943 Organic Chemical 22 of 24 results Sep 18, 2006 Sep 9, 2020
Dibromochloromethane 2944 Organic Chemical 20 of 24 results Sep 18, 2006 Sep 9, 2020
Dichloroacetic Acid 2451 Organic Chemical 19 of 21 results Jun 30, 2008 Sep 8, 2020
Trichloroacetic Acid 2452 Organic Chemical 19 of 21 results Jun 30, 2008 Sep 8, 2020
Chromium 1020 Inorganic Chemical 19 of 40 results Sep 24, 2003 Mar 25, 2019
Dibromoacetic Acid 2454 Organic Chemical 13 of 21 results Jun 30, 2008 Jun 23, 2014
Sodium 1052 Inorganic Chemical 12 of 12 results Sep 16, 2019 Feb 3, 2025
Sulfate 1055 Inorganic Chemical 8 of 8 results Sep 24, 2003 Feb 23, 2004
Gross Alpha, Incl. Radon & U 4002 Radionuclide 5 of 5 results Mar 5, 2012 Oct 2, 2012
Carbon Tetrachloride 2982 Organic Chemical 4 of 49 results Jul 15, 2019 Apr 1, 2024
Bromoform 2942 Organic Chemical 4 of 24 results Sep 18, 2006 Jun 23, 2014
Dichloromethane 2964 Organic Chemical 4 of 49 results Aug 3, 2004 Sep 9, 2013
Arsenic 1005 Inorganic Chemical 4 of 40 results Feb 23, 2004 Mar 21, 2005
Monochloroacetic Acid 2450 Organic Chemical 3 of 21 results Sep 8, 2009 Dec 7, 2009
Xylenes, Total 2955 Organic Chemical 3 of 49 results May 10, 2004 Nov 2, 2004
Ethylbenzene 2992 Organic Chemical 3 of 49 results May 10, 2004 Nov 2, 2004
Selenium 1045 Inorganic Chemical 3 of 40 results Feb 23, 2004 Feb 23, 2004
Monobromoacetic Acid 2453 Organic Chemical 2 of 21 results Nov 13, 2017 Sep 8, 2020
Nickel 1036 Inorganic Chemical 1 of 40 results Apr 15, 2015 Apr 15, 2015

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 1–10 of 17 samples, newest first — collected February 24, 2025 to October 27, 2025. The summary above covers all 17.

62 results from the 10 samples listed here: 8 detected, 54 not detected. Across the whole record it is 422 of 2,220. 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 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 Sharon Water Works, every result from 1 to 10 of 17 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
Oct 27, 2025 13:30
Sampling point
SM1 Location withheld
Sample type
Routine
Lab sample
810-169499-1
Laboratory
Eurofins Eaton Analytical South Bend in
Not detected below 2 ug/l Minimum Reporting Level , sample collected Oct 27, 2025 13:30, sampling point SM1 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Oct 27, 2025 13:30, sampling point SM1 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Oct 27, 2025 13:30, sampling point SM1 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Oct 27, 2025 13:30, sampling point SM1 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Oct 27, 2025 13:30, sampling point SM1 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
Not detected below 2 ug/l Minimum Reporting Level , sample collected Oct 27, 2025 13:30, sampling point SM1 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 27, 2025 13:30, sampling point SM1 Chloroform 2941 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 27, 2025 13:30, sampling point SM1 Bromoform 2942 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 27, 2025 13:30, sampling point SM1 Bromodichloromethane 2943 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 27, 2025 13:30, sampling point SM1 Dibromochloromethane 2944 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 27, 2025 13:30, sampling point SM1 TTHM 2950 EPA method 524.2 Not recorded
Collected
Aug 25, 2025 12:15
Sampling point
TF104 Treatment Plant T104
Sample type
Routine
Lab sample
CN-250826-032
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Aug 25, 2025 12:15, sampling point TF104 Cyanide 1024 EPA method QC10204001X Jan 1, 2023 – Dec 31, 2025
Collected
Aug 25, 2025 13:00
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
CN-250826-031
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Aug 25, 2025 13:00, sampling point TF103 Cyanide 1024 EPA method QC10204001X Jan 1, 2023 – Dec 31, 2025
Collected
Aug 25, 2025 12:40
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
CN-250826-030
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Aug 25, 2025 12:40, sampling point TF102 Cyanide 1024 EPA method QC10204001X Jan 1, 2023 – Dec 31, 2025
Collected
Aug 25, 2025 12:15
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
CN-250826-029
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Aug 25, 2025 12:15, sampling point TF101 Cyanide 1024 EPA method QC10204001X Jan 1, 2023 – Dec 31, 2025
Collected
Feb 24, 2025 12:05
Sampling point
TF104 Treatment Plant T104
Sample type
Routine
Lab sample
IN-250225-027
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 24, 2025 12:05, sampling point TF104 Arsenic 1005 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.0055 mg/l , sample collected Feb 24, 2025 12:05, sampling point TF104 Barium 1010 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 24, 2025 12:05, sampling point TF104 Cadmium 1015 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 24, 2025 12:05, sampling point TF104 Chromium 1020 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.503 mg/l , sample collected Feb 24, 2025 12:05, sampling point TF104 Fluoride 1025 EPA method QC 10-109-12-2-A Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 24, 2025 12:05, sampling point TF104 Mercury 1035 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 24, 2025 12:05, sampling point TF104 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected Feb 24, 2025 12:05, sampling point TF104 Selenium 1045 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 24, 2025 12:05, sampling point TF104 Antimony, Total 1074 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 24, 2025 12:05, sampling point TF104 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 24, 2025 12:05, sampling point TF104 Thallium, Total 1085 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Feb 24, 2025 12:50
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
IN-250225-025
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 24, 2025 12:50, sampling point TF103 Arsenic 1005 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.003 mg/l , sample collected Feb 24, 2025 12:50, sampling point TF103 Barium 1010 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 24, 2025 12:50, sampling point TF103 Cadmium 1015 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 24, 2025 12:50, sampling point TF103 Chromium 1020 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.472 mg/l , sample collected Feb 24, 2025 12:50, sampling point TF103 Fluoride 1025 EPA method QC 10-109-12-2-A Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 24, 2025 12:50, sampling point TF103 Mercury 1035 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 24, 2025 12:50, sampling point TF103 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected Feb 24, 2025 12:50, sampling point TF103 Selenium 1045 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 24, 2025 12:50, sampling point TF103 Antimony, Total 1074 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 24, 2025 12:50, sampling point TF103 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 24, 2025 12:50, sampling point TF103 Thallium, Total 1085 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Feb 24, 2025 12:30
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
IN-250225-024
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 24, 2025 12:30, sampling point TF102 Arsenic 1005 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.0222 mg/l , sample collected Feb 24, 2025 12:30, sampling point TF102 Barium 1010 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 24, 2025 12:30, sampling point TF102 Cadmium 1015 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 24, 2025 12:30, sampling point TF102 Chromium 1020 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.152 mg/l , sample collected Feb 24, 2025 12:30, sampling point TF102 Fluoride 1025 EPA method QC 10-109-12-2-A Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 24, 2025 12:30, sampling point TF102 Mercury 1035 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 24, 2025 12:30, sampling point TF102 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected Feb 24, 2025 12:30, sampling point TF102 Selenium 1045 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 24, 2025 12:30, sampling point TF102 Antimony, Total 1074 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 24, 2025 12:30, sampling point TF102 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 24, 2025 12:30, sampling point TF102 Thallium, Total 1085 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Feb 24, 2025 12:00
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
IN-250225-026
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 24, 2025 12:00, sampling point TF101 Arsenic 1005 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.0055 mg/l , sample collected Feb 24, 2025 12:00, sampling point TF101 Barium 1010 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 24, 2025 12:00, sampling point TF101 Cadmium 1015 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 24, 2025 12:00, sampling point TF101 Chromium 1020 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.507 mg/l , sample collected Feb 24, 2025 12:00, sampling point TF101 Fluoride 1025 EPA method QC 10-109-12-2-A Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 24, 2025 12:00, sampling point TF101 Mercury 1035 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 24, 2025 12:00, sampling point TF101 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected Feb 24, 2025 12:00, sampling point TF101 Selenium 1045 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 24, 2025 12:00, sampling point TF101 Antimony, Total 1074 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 24, 2025 12:00, sampling point TF101 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 24, 2025 12:00, sampling point TF101 Thallium, Total 1085 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Feb 24, 2025 12:05
Sampling point
TF104 Treatment Plant T104
Sample type
Routine
Lab sample
NI-250225-049
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Feb 24, 2025 12:05, sampling point TF104 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Feb 24, 2025 12:05, sampling point TF104 Nitrate 1040 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Feb 24, 2025 12:05, sampling point TF104 Nitrite 1041 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025

Routine (10).