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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

MS0460001 , Bunker Hill Water Association

33 of the 71 analytes this system has been tested for have been detected at least once, across 301 samples on record.

The other 38 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 301 samples on record, detections range from October 8, 2003 to August 11, 2026. 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 Bunker Hill 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 59 of 60 results Aug 18, 2008 Sep 13, 2023
Nitrate-Nitrite 1038 Inorganic Chemical 43 of 68 results May 24, 2004 Aug 11, 2026
Nitrate 1040 Inorganic Chemical 43 of 68 results May 24, 2004 Aug 11, 2026
Barium 1010 Inorganic Chemical 31 of 31 results Oct 8, 2003 Jul 15, 2026
Gross Alpha, Incl. Radon & U 4002 Radionuclide 15 of 15 results Dec 12, 2011 Oct 3, 2012
Nickel 1036 Inorganic Chemical 13 of 28 results Oct 8, 2003 Mar 10, 2025
Lead 1030 Inorganic Chemical 13 of 60 results Aug 18, 2008 Sep 13, 2023
Sodium 1052 Inorganic Chemical 9 of 9 results Aug 26, 2015 Feb 25, 2025
Chromium 1020 Inorganic Chemical 9 of 31 results Mar 8, 2004 Apr 8, 2019
TTHM 2950 Organic Chemical 7 of 20 results Aug 21, 2007 Nov 20, 2024
Fluoride 1025 Inorganic Chemical 7 of 32 results Oct 8, 2003 Mar 2, 2016
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 6 of 20 results Aug 21, 2007 May 21, 2024
Chloroform 2941 Organic Chemical 5 of 14 results Feb 28, 2024 Nov 20, 2024
Xylenes, Total 2955 Organic Chemical 5 of 42 results Aug 16, 2004 Oct 24, 2012
Dichloroacetic Acid 2451 Organic Chemical 3 of 13 results Sep 14, 2020 Feb 28, 2024
Sulfate 1055 Inorganic Chemical 3 of 7 results Oct 8, 2003 Aug 26, 2015
Bromodichloromethane 2943 Organic Chemical 2 of 14 results Feb 28, 2024 Feb 28, 2024
Dibromochloromethane 2944 Organic Chemical 2 of 14 results Feb 28, 2024 Feb 28, 2024
Ethylbenzene 2992 Organic Chemical 2 of 42 results Aug 16, 2004 Apr 19, 2012
Trichloroacetic Acid 2452 Organic Chemical 1 of 13 results Feb 28, 2024 Feb 28, 2024
Calcium 1016 Inorganic Chemical 1 of 1 result Aug 26, 2015 Aug 26, 2015
Magnesium 1031 Inorganic Chemical 1 of 1 result Aug 26, 2015 Aug 26, 2015
Manganese 1032 Inorganic Chemical 1 of 1 result Aug 26, 2015 Aug 26, 2015
Potassium 1042 Inorganic Chemical 1 of 1 result Aug 26, 2015 Aug 26, 2015
Residue, Total, Filterable 1057 Water Quality 1 of 1 result Aug 26, 2015 Aug 26, 2015
Carbon Dioxide 1901 Water Quality 1 of 1 result Aug 26, 2015 Aug 26, 2015
Color 1905 Water Quality 1 of 1 result Aug 26, 2015 Aug 26, 2015
Hardness, Total (As Caco3) 1915 Water Quality 1 of 1 result Aug 26, 2015 Aug 26, 2015
Alkalinity, Total 1927 Water Quality 1 of 1 result Aug 26, 2015 Aug 26, 2015
Iron, Field Result FEFD Inorganic Chemical 1 of 1 result Aug 26, 2015 Aug 26, 2015
Calculated Sodium NACA Water Quality 1 of 1 result Aug 26, 2015 Aug 26, 2015
PH, Field Result PHFD Water Quality 1 of 1 result Aug 26, 2015 Aug 26, 2015
Selenium 1045 Inorganic Chemical 1 of 31 results Apr 4, 2005 Apr 4, 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 31–40 of 301 samples, newest first — collected September 13, 2023 to February 28, 2024. The summary above covers all 301.

47 results from the 10 samples listed here: 22 detected, 25 not detected. Across the whole record it is 291 of 1,841. 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 Bunker Hill Water Association, every result from 31 to 40 of 301 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 28, 2024 15:30
Sampling point
SM2 Location withheld
Sample type
Routine
Lab sample
810-95660-2
Laboratory
Eurofins Eaton Analytical South Bend in
Not detected below 2 ug/l Minimum Reporting Level , sample collected Feb 28, 2024 15:30, sampling point SM2 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
1.1 ug/l , sample collected Feb 28, 2024 15:30, sampling point SM2 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Feb 28, 2024 15:30, sampling point SM2 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Feb 28, 2024 15:30, sampling point SM2 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Feb 28, 2024 15:30, sampling point SM2 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
Not detected below 2 ug/l Minimum Reporting Level , sample collected Feb 28, 2024 15:30, sampling point SM2 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Jan 1, 2024 – Mar 31, 2024
2.4 ug/l , sample collected Feb 28, 2024 15:30, sampling point SM2 Chloroform 2941 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Feb 28, 2024 15:30, sampling point SM2 Bromoform 2942 EPA method 524.2 Not recorded
1.8 ug/l , sample collected Feb 28, 2024 15:30, sampling point SM2 Bromodichloromethane 2943 EPA method 524.2 Not recorded
1.2 ug/l , sample collected Feb 28, 2024 15:30, sampling point SM2 Dibromochloromethane 2944 EPA method 524.2 Not recorded
5.4 ug/l , sample collected Feb 28, 2024 15:30, sampling point SM2 TTHM 2950 EPA method 524.2 Jan 1, 2024 – Mar 31, 2024
Collected
Feb 28, 2024 15:15
Sampling point
SM1 Location withheld
Sample type
Routine
Lab sample
810-95660-1
Laboratory
Eurofins Eaton Analytical South Bend in
Not detected below 2 ug/l Minimum Reporting Level , sample collected Feb 28, 2024 15:15, sampling point SM1 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
2.6 ug/l , sample collected Feb 28, 2024 15:15, sampling point SM1 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
1.4 ug/l , sample collected Feb 28, 2024 15:15, sampling point SM1 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Feb 28, 2024 15:15, sampling point SM1 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Feb 28, 2024 15:15, sampling point SM1 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
4 ug/l , sample collected Feb 28, 2024 15:15, sampling point SM1 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Jan 1, 2024 – Mar 31, 2024
7.4 ug/l , sample collected Feb 28, 2024 15:15, sampling point SM1 Chloroform 2941 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Feb 28, 2024 15:15, sampling point SM1 Bromoform 2942 EPA method 524.2 Not recorded
4.8 ug/l , sample collected Feb 28, 2024 15:15, sampling point SM1 Bromodichloromethane 2943 EPA method 524.2 Not recorded
2.5 ug/l , sample collected Feb 28, 2024 15:15, sampling point SM1 Dibromochloromethane 2944 EPA method 524.2 Not recorded
14.7 ug/l , sample collected Feb 28, 2024 15:15, sampling point SM1 TTHM 2950 EPA method 524.2 Jan 1, 2024 – Mar 31, 2024
Collected
Feb 6, 2024 15:00
Sampling point
TF082 Treatment Plant T080
Sample type
Routine
Lab sample
IN-240207-019
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 6, 2024 15:00, sampling point TF082 Arsenic 1005 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.0215 mg/l , sample collected Feb 6, 2024 15:00, sampling point TF082 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 6, 2024 15:00, sampling point TF082 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 6, 2024 15:00, sampling point TF082 Chromium 1020 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Feb 6, 2024 15:00, sampling point TF082 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 6, 2024 15:00, sampling point TF082 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 6, 2024 15:00, sampling point TF082 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected Feb 6, 2024 15:00, sampling point TF082 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 6, 2024 15:00, sampling point TF082 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 6, 2024 15:00, sampling point TF082 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 6, 2024 15:00, sampling point TF082 Thallium, Total 1085 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Sep 13, 2023 06:45
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
PB-230914-015
Laboratory
MSDH Lab
0.0213 mg/l , sample collected Sep 13, 2023 06:45, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 13, 2023 06:45, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Collected
Sep 13, 2023 07:15
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
PB-230914-014
Laboratory
MSDH Lab
0.0051 mg/l , sample collected Sep 13, 2023 07:15, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 13, 2023 07:15, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Collected
Sep 13, 2023 08:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
PB-230914-013
Laboratory
MSDH Lab
0.0043 mg/l , sample collected Sep 13, 2023 08:30, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 13, 2023 08:30, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Collected
Sep 13, 2023 07:20
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
PB-230914-012
Laboratory
MSDH Lab
0.0991 mg/l , sample collected Sep 13, 2023 07:20, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 13, 2023 07:20, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Collected
Sep 13, 2023 06:45
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
PB-230914-011
Laboratory
MSDH Lab
0.0031 mg/l , sample collected Sep 13, 2023 06:45, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 13, 2023 06:45, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Collected
Sep 13, 2023 07:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
PB-230914-010
Laboratory
MSDH Lab
0.0238 mg/l , sample collected Sep 13, 2023 07:30, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
5.1 ug/l , sample collected Sep 13, 2023 07:30, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Collected
Sep 13, 2023 08:15
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
PB-230914-009
Laboratory
MSDH Lab
0.0237 mg/l , sample collected Sep 13, 2023 08:15, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
5 ug/l , sample collected Sep 13, 2023 08:15, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023

Routine (10).