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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 101–110 of 301 samples, newest first — collected July 6, 2017 to April 8, 2019. The summary above covers all 301.

67 results from the 10 samples listed here: 4 detected, 63 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.

Chemical and radiological sample results for Bunker Hill Water Association, every result from 101 to 110 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
Apr 8, 2019 13:00
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
190409-017IN
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 8, 2019 13:00, sampling point TF080 Arsenic 1005 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
0.016 mg/l , sample collected Apr 8, 2019 13:00, sampling point TF080 Barium 1010 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 8, 2019 13:00, sampling point TF080 Cadmium 1015 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
0.001 mg/l , sample collected Apr 8, 2019 13:00, sampling point TF080 Chromium 1020 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Apr 8, 2019 13:00, sampling point TF080 Fluoride 1025 EPA method 300.0 Jan 1, 2017 – Dec 31, 2019
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 8, 2019 13:00, sampling point TF080 Mercury 1035 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
0.0015 mg/l , sample collected Apr 8, 2019 13:00, sampling point TF080 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 8, 2019 13:00, sampling point TF080 Selenium 1045 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 8, 2019 13:00, sampling point TF080 Antimony, Total 1074 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 8, 2019 13:00, sampling point TF080 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 8, 2019 13:00, sampling point TF080 Thallium, Total 1085 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Collected
Apr 8, 2019 13:30
Sampling point
TF081 Treatment Plant T081
Sample type
Routine
Lab sample
190409-010CN
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Apr 8, 2019 13:30, sampling point TF081 Cyanide 1024 EPA method QC10204001X Jan 1, 2017 – Dec 31, 2019
Collected
Apr 8, 2019 13:59
Sampling point
TF082 Treatment Plant T080
Sample type
Routine
Lab sample
190409-008CN
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Apr 8, 2019 13:59, sampling point TF082 Cyanide 1024 EPA method QC10204001X Jan 1, 2017 – Dec 31, 2019
Collected
Apr 8, 2019 13:00
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
190409-005CN
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Apr 8, 2019 13:00, sampling point TF080 Cyanide 1024 EPA method QC10204001X Jan 1, 2017 – Dec 31, 2019
Collected
Jul 18, 2018 12:51
Sampling point
TF082 Treatment Plant T080
Sample type
Routine
Lab sample
180719-003VO
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 18, 2018 12:51, sampling point TF082 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Jan 1, 2018 – Dec 31, 2018
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 18, 2018 12:51, sampling point TF082 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Jan 1, 2018 – Dec 31, 2018
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 18, 2018 12:51, sampling point TF082 Xylenes, Total 2955 EPA method 524.2 Jan 1, 2018 – Dec 31, 2018
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 18, 2018 12:51, sampling point TF082 Dichloromethane 2964 EPA method 524.2 Jan 1, 2018 – Dec 31, 2018
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 18, 2018 12:51, sampling point TF082 O-Dichlorobenzene 2968 EPA method 524.2 Jan 1, 2018 – Dec 31, 2018
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 18, 2018 12:51, sampling point TF082 P-Dichlorobenzene 2969 EPA method 524.2 Jan 1, 2018 – Dec 31, 2018
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 18, 2018 12:51, sampling point TF082 Vinyl Chloride 2976 EPA method 524.2 Jan 1, 2018 – Dec 31, 2018
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 18, 2018 12:51, sampling point TF082 1,1-Dichloroethylene 2977 EPA method 524.2 Jan 1, 2018 – Dec 31, 2018
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 18, 2018 12:51, sampling point TF082 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Jan 1, 2018 – Dec 31, 2018
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 18, 2018 12:51, sampling point TF082 1,2-Dichloroethane 2980 EPA method 524.2 Jan 1, 2018 – Dec 31, 2018
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 18, 2018 12:51, sampling point TF082 1,1,1-Trichloroethane 2981 EPA method 524.2 Jan 1, 2018 – Dec 31, 2018
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 18, 2018 12:51, sampling point TF082 Carbon Tetrachloride 2982 EPA method 524.2 Jan 1, 2018 – Dec 31, 2018
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 18, 2018 12:51, sampling point TF082 1,2-Dichloropropane 2983 EPA method 524.2 Jan 1, 2018 – Dec 31, 2018
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 18, 2018 12:51, sampling point TF082 Trichloroethylene 2984 EPA method 524.2 Jan 1, 2018 – Dec 31, 2018
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 18, 2018 12:51, sampling point TF082 1,1,2-Trichloroethane 2985 EPA method 524.2 Jan 1, 2018 – Dec 31, 2018
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 18, 2018 12:51, sampling point TF082 Tetrachloroethylene 2987 EPA method 524.2 Jan 1, 2018 – Dec 31, 2018
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 18, 2018 12:51, sampling point TF082 Chlorobenzene 2989 EPA method 524.2 Jan 1, 2018 – Dec 31, 2018
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 18, 2018 12:51, sampling point TF082 Benzene 2990 EPA method 524.2 Jan 1, 2018 – Dec 31, 2018
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 18, 2018 12:51, sampling point TF082 Toluene 2991 EPA method 524.2 Jan 1, 2018 – Dec 31, 2018
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 18, 2018 12:51, sampling point TF082 Ethylbenzene 2992 EPA method 524.2 Jan 1, 2018 – Dec 31, 2018
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 18, 2018 12:51, sampling point TF082 Styrene 2996 EPA method 524.2 Jan 1, 2018 – Dec 31, 2018
Collected
Mar 7, 2018 13:30
Sampling point
TF081 Treatment Plant T081
Sample type
Routine
Lab sample
180308-004NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Mar 7, 2018 13:30, sampling point TF081 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2018 – Dec 31, 2018
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Mar 7, 2018 13:30, sampling point TF081 Nitrate 1040 EPA method QC10107041C Jan 1, 2018 – Dec 31, 2018
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Mar 7, 2018 13:30, sampling point TF081 Nitrite 1041 EPA method QC10107041C Jan 1, 2018 – Dec 31, 2018
Collected
Mar 7, 2018 13:00
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
180308-003NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Mar 7, 2018 13:00, sampling point TF080 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2018 – Dec 31, 2018
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Mar 7, 2018 13:00, sampling point TF080 Nitrate 1040 EPA method QC10107041C Jan 1, 2018 – Dec 31, 2018
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Mar 7, 2018 13:00, sampling point TF080 Nitrite 1041 EPA method QC10107041C Jan 1, 2018 – Dec 31, 2018
Collected
Mar 5, 2018 11:38
Sampling point
TF082 Treatment Plant T080
Sample type
Routine
Lab sample
180306-006NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Mar 5, 2018 11:38, sampling point TF082 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2018 – Dec 31, 2018
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Mar 5, 2018 11:38, sampling point TF082 Nitrate 1040 EPA method QC10107041C Jan 1, 2018 – Dec 31, 2018
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Mar 5, 2018 11:38, sampling point TF082 Nitrite 1041 EPA method QC10107041C Jan 1, 2018 – Dec 31, 2018
Collected
Sep 6, 2017 14:32
Sampling point
TF082 Treatment Plant T080
Sample type
Routine
Lab sample
170907-008VO
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 6, 2017 14:32, sampling point TF082 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Jan 1, 2017 – Dec 31, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 6, 2017 14:32, sampling point TF082 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Jan 1, 2017 – Dec 31, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 6, 2017 14:32, sampling point TF082 Xylenes, Total 2955 EPA method 524.2 Jan 1, 2017 – Dec 31, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 6, 2017 14:32, sampling point TF082 Dichloromethane 2964 EPA method 524.2 Jan 1, 2017 – Dec 31, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 6, 2017 14:32, sampling point TF082 O-Dichlorobenzene 2968 EPA method 524.2 Jan 1, 2017 – Dec 31, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 6, 2017 14:32, sampling point TF082 P-Dichlorobenzene 2969 EPA method 524.2 Jan 1, 2017 – Dec 31, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 6, 2017 14:32, sampling point TF082 Vinyl Chloride 2976 EPA method 524.2 Jan 1, 2017 – Dec 31, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 6, 2017 14:32, sampling point TF082 1,1-Dichloroethylene 2977 EPA method 524.2 Jan 1, 2017 – Dec 31, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 6, 2017 14:32, sampling point TF082 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Jan 1, 2017 – Dec 31, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 6, 2017 14:32, sampling point TF082 1,2-Dichloroethane 2980 EPA method 524.2 Jan 1, 2017 – Dec 31, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 6, 2017 14:32, sampling point TF082 1,1,1-Trichloroethane 2981 EPA method 524.2 Jan 1, 2017 – Dec 31, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 6, 2017 14:32, sampling point TF082 Carbon Tetrachloride 2982 EPA method 524.2 Jan 1, 2017 – Dec 31, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 6, 2017 14:32, sampling point TF082 1,2-Dichloropropane 2983 EPA method 524.2 Jan 1, 2017 – Dec 31, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 6, 2017 14:32, sampling point TF082 Trichloroethylene 2984 EPA method 524.2 Jan 1, 2017 – Dec 31, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 6, 2017 14:32, sampling point TF082 1,1,2-Trichloroethane 2985 EPA method 524.2 Jan 1, 2017 – Dec 31, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 6, 2017 14:32, sampling point TF082 Tetrachloroethylene 2987 EPA method 524.2 Jan 1, 2017 – Dec 31, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 6, 2017 14:32, sampling point TF082 Chlorobenzene 2989 EPA method 524.2 Jan 1, 2017 – Dec 31, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 6, 2017 14:32, sampling point TF082 Benzene 2990 EPA method 524.2 Jan 1, 2017 – Dec 31, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 6, 2017 14:32, sampling point TF082 Toluene 2991 EPA method 524.2 Jan 1, 2017 – Dec 31, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 6, 2017 14:32, sampling point TF082 Ethylbenzene 2992 EPA method 524.2 Jan 1, 2017 – Dec 31, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 6, 2017 14:32, sampling point TF082 Styrene 2996 EPA method 524.2 Jan 1, 2017 – Dec 31, 2017
Collected
Jul 6, 2017 08:10
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
170707-105PB
Laboratory
MSDH Lab
0.0049 mg/l , sample collected Jul 6, 2017 08:10, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jul 6, 2017 08:10, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017

Routine (10).