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; 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 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

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 11–13 of 13 samples, newest first — collected November 6, 2024 to April 2, 2025. The summary above covers all 13.

32 results from the 3 samples listed here: 7 detected, 25 not detected. 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 North Haven Water Association, every result from 11 to 13 of 13 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 2, 2025 15:45 Sampling point TF103 Treatment Plant T103 Sample type Routine Lab sample IN-250403-021 Laboratory MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 2, 2025 15:45, sampling point TF103	Arsenic 1005 EPA method 200.8	Jan 1, 2023 – Dec 31, 2025
0.0279 mg/l , sample collected Apr 2, 2025 15:45, 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 Apr 2, 2025 15:45, 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 Apr 2, 2025 15:45, sampling point TF103	Chromium 1020 EPA method 200.8	Jan 1, 2023 – Dec 31, 2025
0.174 mg/l , sample collected Apr 2, 2025 15:45, sampling point TF103	Fluoride 1025 EPA method QC 10-109-12-2-A	Jan 1, 2023 – Dec 31, 2025
0.0006 mg/l , sample collected Apr 2, 2025 15:45, sampling point TF103	Nickel 1036 EPA method 200.8	Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected Apr 2, 2025 15:45, 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 Apr 2, 2025 15:45, 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 Apr 2, 2025 15:45, 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 Apr 2, 2025 15:45, sampling point TF103	Thallium, Total 1085 EPA method 200.8	Jan 1, 2023 – Dec 31, 2025
Collected Nov 6, 2024 15:25 Sampling point SM2 Location withheld Sample type Routine Lab sample 810-127109-2 Laboratory Eurofins Eaton Analytical South Bend in
Not detected below 2 ug/l Minimum Reporting Level , sample collected Nov 6, 2024 15:25, sampling point SM2	Monochloroacetic Acid 2450 EPA method 552.2	Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Nov 6, 2024 15:25, sampling point SM2	Dichloroacetic Acid 2451 EPA method 552.2	Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Nov 6, 2024 15:25, sampling point SM2	Trichloroacetic Acid 2452 EPA method 552.2	Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Nov 6, 2024 15:25, sampling point SM2	Monobromoacetic Acid 2453 EPA method 552.2	Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Nov 6, 2024 15:25, sampling point SM2	Dibromoacetic Acid 2454 EPA method 552.2	Not recorded
Not detected below 2 ug/l Minimum Reporting Level , sample collected Nov 6, 2024 15:25, sampling point SM2	Total Haloacetic Acids (Haa5) 2456 EPA method 552.2	Oct 1, 2024 – Dec 31, 2024
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Nov 6, 2024 15:25, sampling point SM2	Chloroform 2941 EPA method 524.2	Not recorded
1.4 ug/l , sample collected Nov 6, 2024 15:25, sampling point SM2	Bromoform 2942 EPA method 524.2	Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Nov 6, 2024 15:25, sampling point SM2	Bromodichloromethane 2943 EPA method 524.2	Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Nov 6, 2024 15:25, sampling point SM2	Dibromochloromethane 2944 EPA method 524.2	Not recorded
1.4 ug/l , sample collected Nov 6, 2024 15:25, sampling point SM2	TTHM 2950 EPA method 524.2	Oct 1, 2024 – Dec 31, 2024
Collected Nov 6, 2024 15:00 Sampling point SM1 Well #2 CR 115 Sample type Routine Lab sample 810-127109-1 Laboratory Eurofins Eaton Analytical South Bend in
Not detected below 2 ug/l Minimum Reporting Level , sample collected Nov 6, 2024 15:00, sampling point SM1	Monochloroacetic Acid 2450 EPA method 552.2	Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Nov 6, 2024 15:00, sampling point SM1	Dichloroacetic Acid 2451 EPA method 552.2	Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Nov 6, 2024 15:00, sampling point SM1	Trichloroacetic Acid 2452 EPA method 552.2	Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Nov 6, 2024 15:00, sampling point SM1	Monobromoacetic Acid 2453 EPA method 552.2	Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Nov 6, 2024 15:00, sampling point SM1	Dibromoacetic Acid 2454 EPA method 552.2	Not recorded
Not detected below 2 ug/l Minimum Reporting Level , sample collected Nov 6, 2024 15:00, sampling point SM1	Total Haloacetic Acids (Haa5) 2456 EPA method 552.2	Oct 1, 2024 – Dec 31, 2024
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Nov 6, 2024 15:00, sampling point SM1	Chloroform 2941 EPA method 524.2	Not recorded
1.5 ug/l , sample collected Nov 6, 2024 15:00, sampling point SM1	Bromoform 2942 EPA method 524.2	Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Nov 6, 2024 15:00, sampling point SM1	Bromodichloromethane 2943 EPA method 524.2	Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Nov 6, 2024 15:00, sampling point SM1	Dibromochloromethane 2944 EPA method 524.2	Not recorded
1.5 ug/l , sample collected Nov 6, 2024 15:00, sampling point SM1	TTHM 2950 EPA method 524.2	Oct 1, 2024 – Dec 31, 2024

Collected
Apr 2, 2025 15:45

Sampling point
TF103 Treatment Plant T103

Sample type
Routine

Lab sample
IN-250403-021

Laboratory
MSDH Lab
- Arsenic 1005 EPA method 200.8
  
  Result
  Not detected below 0.0005 mg/l Minimum Reporting Level
  
  Monitoring period
  Jan 1, 2023 – Dec 31, 2025
- Barium 1010 EPA method 200.8
  
  Result
  0.0279 mg/l
  
  Monitoring period
  Jan 1, 2023 – Dec 31, 2025
- Cadmium 1015 EPA method 200.8
  
  Result
  Not detected below 0.0005 mg/l Minimum Reporting Level
  
  Monitoring period
  Jan 1, 2023 – Dec 31, 2025
- Chromium 1020 EPA method 200.8
  
  Result
  Not detected below 0.0005 mg/l Minimum Reporting Level
  
  Monitoring period
  Jan 1, 2023 – Dec 31, 2025
- Fluoride 1025 EPA method QC 10-109-12-2-A
  
  Result
  0.174 mg/l
  
  Monitoring period
  Jan 1, 2023 – Dec 31, 2025
- Nickel 1036 EPA method 200.8
  
  Result
  0.0006 mg/l
  
  Monitoring period
  Not recorded
- Selenium 1045 EPA method 200.8
  
  Result
  Not detected below 0.0025 mg/l Minimum Reporting Level
  
  Monitoring period
  Jan 1, 2023 – Dec 31, 2025
- Antimony, Total 1074 EPA method 200.8
  
  Result
  Not detected below 0.0005 mg/l Minimum Reporting Level
  
  Monitoring period
  Jan 1, 2023 – Dec 31, 2025
- Beryllium, Total 1075 EPA method 200.8
  
  Result
  Not detected below 0.0005 mg/l Minimum Reporting Level
  
  Monitoring period
  Jan 1, 2023 – Dec 31, 2025
- Thallium, Total 1085 EPA method 200.8
  
  Result
  Not detected below 0.0005 mg/l Minimum Reporting Level
  
  Monitoring period
  Jan 1, 2023 – Dec 31, 2025
Collected
Nov 6, 2024 15:25

Sampling point
SM2 Location withheld

Sample type
Routine

Lab sample
810-127109-2

Laboratory
Eurofins Eaton Analytical South Bend in
- Monochloroacetic Acid 2450 EPA method 552.2
  
  Result
  Not detected below 2 ug/l Minimum Reporting Level
  
  Monitoring period
  Not recorded
- Dichloroacetic Acid 2451 EPA method 552.2
  
  Result
  Not detected below 1 ug/l Minimum Reporting Level
  
  Monitoring period
  Not recorded
- Trichloroacetic Acid 2452 EPA method 552.2
  
  Result
  Not detected below 1 ug/l Minimum Reporting Level
  
  Monitoring period
  Not recorded
- Monobromoacetic Acid 2453 EPA method 552.2
  
  Result
  Not detected below 1 ug/l Minimum Reporting Level
  
  Monitoring period
  Not recorded
- Dibromoacetic Acid 2454 EPA method 552.2
  
  Result
  Not detected below 1 ug/l Minimum Reporting Level
  
  Monitoring period
  Not recorded
- Total Haloacetic Acids (Haa5) 2456 EPA method 552.2
  
  Result
  Not detected below 2 ug/l Minimum Reporting Level
  
  Monitoring period
  Oct 1, 2024 – Dec 31, 2024
- Chloroform 2941 EPA method 524.2
  
  Result
  Not detected below 0.5 ug/l Minimum Reporting Level
  
  Monitoring period
  Not recorded
- Bromoform 2942 EPA method 524.2
  
  Result
  1.4 ug/l
  
  Monitoring period
  Not recorded
- Bromodichloromethane 2943 EPA method 524.2
  
  Result
  Not detected below 0.5 ug/l Minimum Reporting Level
  
  Monitoring period
  Not recorded
- Dibromochloromethane 2944 EPA method 524.2
  
  Result
  Not detected below 0.5 ug/l Minimum Reporting Level
  
  Monitoring period
  Not recorded
- TTHM 2950 EPA method 524.2
  
  Result
  1.4 ug/l
  
  Monitoring period
  Oct 1, 2024 – Dec 31, 2024
Collected
Nov 6, 2024 15:00

Sampling point
SM1 Well #2 CR 115

Sample type
Routine

Lab sample
810-127109-1

Laboratory
Eurofins Eaton Analytical South Bend in
- Monochloroacetic Acid 2450 EPA method 552.2
  
  Result
  Not detected below 2 ug/l Minimum Reporting Level
  
  Monitoring period
  Not recorded
- Dichloroacetic Acid 2451 EPA method 552.2
  
  Result
  Not detected below 1 ug/l Minimum Reporting Level
  
  Monitoring period
  Not recorded
- Trichloroacetic Acid 2452 EPA method 552.2
  
  Result
  Not detected below 1 ug/l Minimum Reporting Level
  
  Monitoring period
  Not recorded
- Monobromoacetic Acid 2453 EPA method 552.2
  
  Result
  Not detected below 1 ug/l Minimum Reporting Level
  
  Monitoring period
  Not recorded
- Dibromoacetic Acid 2454 EPA method 552.2
  
  Result
  Not detected below 1 ug/l Minimum Reporting Level
  
  Monitoring period
  Not recorded
- Total Haloacetic Acids (Haa5) 2456 EPA method 552.2
  
  Result
  Not detected below 2 ug/l Minimum Reporting Level
  
  Monitoring period
  Oct 1, 2024 – Dec 31, 2024
- Chloroform 2941 EPA method 524.2
  
  Result
  Not detected below 0.5 ug/l Minimum Reporting Level
  
  Monitoring period
  Not recorded
- Bromoform 2942 EPA method 524.2
  
  Result
  1.5 ug/l
  
  Monitoring period
  Not recorded
- Bromodichloromethane 2943 EPA method 524.2
  
  Result
  Not detected below 0.5 ug/l Minimum Reporting Level
  
  Monitoring period
  Not recorded
- Dibromochloromethane 2944 EPA method 524.2
  
  Result
  Not detected below 0.5 ug/l Minimum Reporting Level
  
  Monitoring period
  Not recorded
- TTHM 2950 EPA method 524.2
  
  Result
  1.5 ug/l
  
  Monitoring period
  Oct 1, 2024 – Dec 31, 2024

Routine (3).