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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

MS0730008 , North Haven Water Association

20 of the 57 analytes this system has been tested for have been detected at least once, across 296 samples on record.

The other 37 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 296 samples on record, detections range from October 29, 2003 to July 14, 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 North Haven 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 62 of 62 results Aug 16, 2007 Aug 9, 2023
Lead 1030 Inorganic Chemical 50 of 62 results Aug 16, 2007 Aug 9, 2023
Barium 1010 Inorganic Chemical 27 of 27 results Oct 29, 2003 Apr 2, 2025
Fluoride 1025 Inorganic Chemical 26 of 27 results Oct 29, 2003 Apr 2, 2025
Chromium 1020 Inorganic Chemical 17 of 27 results Oct 29, 2003 May 13, 2019
Nickel 1036 Inorganic Chemical 12 of 27 results May 2, 2005 Apr 2, 2025
Nitrate-Nitrite 1038 Inorganic Chemical 10 of 62 results Jun 16, 2004 Jul 14, 2026
Nitrate 1040 Inorganic Chemical 10 of 62 results Jun 16, 2004 Jul 14, 2026
Selenium 1045 Inorganic Chemical 7 of 27 results Oct 29, 2003 Mar 3, 2010
Sodium 1052 Inorganic Chemical 6 of 6 results Sep 23, 2019 Jul 14, 2026
TTHM 2950 Organic Chemical 5 of 19 results Sep 19, 2007 Nov 6, 2024
Gross Alpha, Incl. Radon & U 4002 Radionuclide 5 of 10 results Dec 13, 2011 Jul 12, 2012
Bromoform 2942 Organic Chemical 3 of 14 results Sep 11, 2024 Nov 6, 2024
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 3 of 18 results Jul 15, 2010 Jul 10, 2024
Cadmium 1015 Inorganic Chemical 3 of 27 results Apr 26, 2005 May 2, 2005
Sulfate 1055 Inorganic Chemical 3 of 3 results Oct 29, 2003 Apr 7, 2004
Cyanide 1024 Inorganic Chemical 2 of 28 results Oct 9, 2013 Jul 6, 2016
Nitrite 1041 Inorganic Chemical 2 of 62 results Jun 16, 2004 Jul 30, 2008
Dibromochloromethane 2944 Organic Chemical 1 of 14 results Sep 11, 2024 Sep 11, 2024
Arsenic 1005 Inorganic Chemical 1 of 27 results May 13, 2019 May 13, 2019

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 21–30 of 296 samples, newest first — collected August 9, 2023 to April 17, 2024. The summary above covers all 296.

37 results from the 10 samples listed here: 9 detected, 28 not detected. Across the whole record it is 255 of 2,157. 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 6 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 North Haven Water Association, every result from 21 to 30 of 296 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 17, 2024 11:55
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
NI-240418-027
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Apr 17, 2024 11:55, sampling point TF103 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2024 – Dec 31, 2024
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Apr 17, 2024 11:55, sampling point TF103 Nitrate 1040 EPA method QC10107041C Jan 1, 2024 – Dec 31, 2024
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Apr 17, 2024 11:55, sampling point TF103 Nitrite 1041 EPA method QC10107041C Jan 1, 2024 – Dec 31, 2024
Collected
Feb 20, 2024 14:10
Sampling point
SM2 Location withheld
Sample type
Routine
Lab sample
810-94844-2
Laboratory
Eurofins Eaton Analytical South Bend in
Not detected below 2 ug/l Minimum Reporting Level , sample collected Feb 20, 2024 14:10, sampling point SM2 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Feb 20, 2024 14:10, sampling point SM2 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Feb 20, 2024 14:10, sampling point SM2 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Feb 20, 2024 14:10, sampling point SM2 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Feb 20, 2024 14:10, sampling point SM2 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
Not detected below 2 ug/l Minimum Reporting Level , sample collected Feb 20, 2024 14:10, sampling point SM2 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Jan 1, 2024 – Mar 31, 2024
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Feb 20, 2024 14:10, sampling point SM2 Chloroform 2941 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Feb 20, 2024 14:10, sampling point SM2 Bromoform 2942 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Feb 20, 2024 14:10, sampling point SM2 Bromodichloromethane 2943 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Feb 20, 2024 14:10, sampling point SM2 Dibromochloromethane 2944 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Feb 20, 2024 14:10, sampling point SM2 TTHM 2950 EPA method 524.2 Jan 1, 2024 – Mar 31, 2024
Collected
Feb 20, 2024 13:30
Sampling point
SM1 Well #2 CR 115
Sample type
Routine
Lab sample
810-94844-1
Laboratory
Eurofins Eaton Analytical South Bend in
Not detected below 2 ug/l Minimum Reporting Level , sample collected Feb 20, 2024 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 Feb 20, 2024 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 Feb 20, 2024 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 Feb 20, 2024 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 Feb 20, 2024 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 Feb 20, 2024 13:30, sampling point SM1 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Jan 1, 2024 – Mar 31, 2024
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Feb 20, 2024 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 Feb 20, 2024 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 Feb 20, 2024 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 Feb 20, 2024 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 Feb 20, 2024 13:30, sampling point SM1 TTHM 2950 EPA method 524.2 Jan 1, 2024 – Mar 31, 2024
Collected
Aug 30, 2023 15:00
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
TH-230831-014
Laboratory
MSDH Lab
Not detected below 1 ug/l Minimum Reporting Level , sample collected Aug 30, 2023 15:00, sampling point MRT000 TTHM 2950 EPA method 524.2 Jan 1, 2023 – Dec 31, 2023
Collected
Aug 30, 2023 15:00
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
HA-230831-014
Laboratory
MSDH Lab
Not detected below 1 ug/l Minimum Reporting Level , sample collected Aug 30, 2023 15:00, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Jan 1, 2023 – Dec 31, 2023
Collected
Aug 9, 2023 07:00
Sampling point
LC0020 Location withheld
Sample type
Routine
Lab sample
PB-230811-021
Laboratory
MSDH Lab
0.136 mg/l , sample collected Aug 9, 2023 07:00, sampling point LC0020 Copper, Free 1022 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
0.7 ug/l , sample collected Aug 9, 2023 07:00, sampling point LC0020 Lead 1030 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Collected
Aug 9, 2023 09:00
Sampling point
LC0019 Location withheld
Sample type
Routine
Lab sample
PB-230811-022
Laboratory
MSDH Lab
0.234 mg/l , sample collected Aug 9, 2023 09:00, sampling point LC0019 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 Aug 9, 2023 09:00, sampling point LC0019 Lead 1030 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Collected
Aug 9, 2023 07:00
Sampling point
LC0014 Location withheld
Sample type
Routine
Lab sample
PB-230811-024
Laboratory
MSDH Lab
0.194 mg/l , sample collected Aug 9, 2023 07:00, sampling point LC0014 Copper, Free 1022 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
4.9 ug/l , sample collected Aug 9, 2023 07:00, sampling point LC0014 Lead 1030 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Collected
Aug 9, 2023 06:35
Sampling point
LC0012 Location withheld
Sample type
Routine
Lab sample
PB-230811-025
Laboratory
MSDH Lab
0.0537 mg/l , sample collected Aug 9, 2023 06:35, sampling point LC0012 Copper, Free 1022 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
0.9 ug/l , sample collected Aug 9, 2023 06:35, sampling point LC0012 Lead 1030 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Collected
Aug 9, 2023 06:15
Sampling point
LC0010 Location withheld
Sample type
Routine
Lab sample
PB-230811-026
Laboratory
MSDH Lab
0.0233 mg/l , sample collected Aug 9, 2023 06:15, sampling point LC0010 Copper, Free 1022 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
0.7 ug/l , sample collected Aug 9, 2023 06:15, sampling point LC0010 Lead 1030 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023

Routine (10).