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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 51–60 of 296 samples, newest first — collected May 4, 2021 to April 4, 2022. The summary above covers all 296.

58 results from the 10 samples listed here: 0 detected, 58 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.

Chemical and radiological sample results for North Haven Water Association, every result from 51 to 60 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 4, 2022 16:30
Sampling point
TF105 Treatment Plant T101
Sample type
Routine
Lab sample
NI-220405-001
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Apr 4, 2022 16:30, sampling point TF105 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2022 – Dec 31, 2022
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Apr 4, 2022 16:30, sampling point TF105 Nitrate 1040 EPA method QC10107041C Jan 1, 2022 – Dec 31, 2022
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Apr 4, 2022 16:30, sampling point TF105 Nitrite 1041 EPA method QC10107041C Jan 1, 2022 – Dec 31, 2022
Collected
Dec 1, 2021 11:00
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
HA-211202-002
Laboratory
MSDH Lab
Not detected below 1 ug/l Minimum Reporting Level , sample collected Dec 1, 2021 11:00, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Jan 1, 2021 – Dec 31, 2021
Collected
Dec 1, 2021 11:00
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
TH-211202-002
Laboratory
MSDH Lab
Not detected below 1 ug/l Minimum Reporting Level , sample collected Dec 1, 2021 11:00, sampling point MRT000 TTHM 2950 EPA method 524.2 Jan 1, 2021 – Dec 31, 2021
Collected
Nov 3, 2021 13:15
Sampling point
TF105 Treatment Plant T101
Sample type
Routine
Lab sample
VO-211104-003
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Nov 3, 2021 13:15, sampling point TF105 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Jan 1, 2021 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Nov 3, 2021 13:15, sampling point TF105 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Jan 1, 2021 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Nov 3, 2021 13:15, sampling point TF105 Xylenes, Total 2955 EPA method 524.2 Jan 1, 2021 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Nov 3, 2021 13:15, sampling point TF105 Dichloromethane 2964 EPA method 524.2 Jan 1, 2021 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Nov 3, 2021 13:15, sampling point TF105 O-Dichlorobenzene 2968 EPA method 524.2 Jan 1, 2021 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Nov 3, 2021 13:15, sampling point TF105 P-Dichlorobenzene 2969 EPA method 524.2 Jan 1, 2021 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Nov 3, 2021 13:15, sampling point TF105 Vinyl Chloride 2976 EPA method 524.2 Jan 1, 2021 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Nov 3, 2021 13:15, sampling point TF105 1,1-Dichloroethylene 2977 EPA method 524.2 Jan 1, 2021 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Nov 3, 2021 13:15, sampling point TF105 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Jan 1, 2021 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Nov 3, 2021 13:15, sampling point TF105 1,2-Dichloroethane 2980 EPA method 524.2 Jan 1, 2021 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Nov 3, 2021 13:15, sampling point TF105 1,1,1-Trichloroethane 2981 EPA method 524.2 Jan 1, 2021 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Nov 3, 2021 13:15, sampling point TF105 Carbon Tetrachloride 2982 EPA method 524.2 Jan 1, 2021 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Nov 3, 2021 13:15, sampling point TF105 1,2-Dichloropropane 2983 EPA method 524.2 Jan 1, 2021 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Nov 3, 2021 13:15, sampling point TF105 Trichloroethylene 2984 EPA method 524.2 Jan 1, 2021 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Nov 3, 2021 13:15, sampling point TF105 1,1,2-Trichloroethane 2985 EPA method 524.2 Jan 1, 2021 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Nov 3, 2021 13:15, sampling point TF105 Tetrachloroethylene 2987 EPA method 524.2 Jan 1, 2021 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Nov 3, 2021 13:15, sampling point TF105 Chlorobenzene 2989 EPA method 524.2 Jan 1, 2021 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Nov 3, 2021 13:15, sampling point TF105 Benzene 2990 EPA method 524.2 Jan 1, 2021 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Nov 3, 2021 13:15, sampling point TF105 Toluene 2991 EPA method 524.2 Jan 1, 2021 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Nov 3, 2021 13:15, sampling point TF105 Ethylbenzene 2992 EPA method 524.2 Jan 1, 2021 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Nov 3, 2021 13:15, sampling point TF105 Styrene 2996 EPA method 524.2 Jan 1, 2021 – Dec 31, 2021
Collected
Nov 3, 2021 13:00
Sampling point
TF104
Sample type
Routine
Lab sample
VO-211104-004
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Nov 3, 2021 13:00, sampling point TF104 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Jan 1, 2021 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Nov 3, 2021 13:00, sampling point TF104 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Jan 1, 2021 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Nov 3, 2021 13:00, sampling point TF104 Xylenes, Total 2955 EPA method 524.2 Jan 1, 2021 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Nov 3, 2021 13:00, sampling point TF104 Dichloromethane 2964 EPA method 524.2 Jan 1, 2021 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Nov 3, 2021 13:00, sampling point TF104 O-Dichlorobenzene 2968 EPA method 524.2 Jan 1, 2021 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Nov 3, 2021 13:00, sampling point TF104 P-Dichlorobenzene 2969 EPA method 524.2 Jan 1, 2021 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Nov 3, 2021 13:00, sampling point TF104 Vinyl Chloride 2976 EPA method 524.2 Jan 1, 2021 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Nov 3, 2021 13:00, sampling point TF104 1,1-Dichloroethylene 2977 EPA method 524.2 Jan 1, 2021 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Nov 3, 2021 13:00, sampling point TF104 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Jan 1, 2021 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Nov 3, 2021 13:00, sampling point TF104 1,2-Dichloroethane 2980 EPA method 524.2 Jan 1, 2021 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Nov 3, 2021 13:00, sampling point TF104 1,1,1-Trichloroethane 2981 EPA method 524.2 Jan 1, 2021 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Nov 3, 2021 13:00, sampling point TF104 Carbon Tetrachloride 2982 EPA method 524.2 Jan 1, 2021 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Nov 3, 2021 13:00, sampling point TF104 1,2-Dichloropropane 2983 EPA method 524.2 Jan 1, 2021 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Nov 3, 2021 13:00, sampling point TF104 Trichloroethylene 2984 EPA method 524.2 Jan 1, 2021 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Nov 3, 2021 13:00, sampling point TF104 1,1,2-Trichloroethane 2985 EPA method 524.2 Jan 1, 2021 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Nov 3, 2021 13:00, sampling point TF104 Tetrachloroethylene 2987 EPA method 524.2 Jan 1, 2021 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Nov 3, 2021 13:00, sampling point TF104 Chlorobenzene 2989 EPA method 524.2 Jan 1, 2021 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Nov 3, 2021 13:00, sampling point TF104 Benzene 2990 EPA method 524.2 Jan 1, 2021 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Nov 3, 2021 13:00, sampling point TF104 Toluene 2991 EPA method 524.2 Jan 1, 2021 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Nov 3, 2021 13:00, sampling point TF104 Ethylbenzene 2992 EPA method 524.2 Jan 1, 2021 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Nov 3, 2021 13:00, sampling point TF104 Styrene 2996 EPA method 524.2 Jan 1, 2021 – Dec 31, 2021
Collected
Oct 5, 2021 11:50
Sampling point
TF104
Sample type
Routine
Lab sample
RU-211006-030
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Oct 5, 2021 11:50, sampling point TF104 Combined Uranium 4006 EPA method 200.8 Jan 1, 2013 – Dec 31, 2021
Collected
Oct 5, 2021 11:30
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
RU-211006-029
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Oct 5, 2021 11:30, sampling point TF103 Combined Uranium 4006 EPA method 200.8 Jan 1, 2013 – Dec 31, 2021
Collected
May 4, 2021 14:00
Sampling point
TF105 Treatment Plant T101
Sample type
Routine
Lab sample
NI-210505-046
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected May 4, 2021 14:00, sampling point TF105 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2021 – Dec 31, 2021
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected May 4, 2021 14:00, sampling point TF105 Nitrate 1040 EPA method QC10107041C Jan 1, 2021 – Dec 31, 2021
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected May 4, 2021 14:00, sampling point TF105 Nitrite 1041 EPA method QC10107041C Jan 1, 2021 – Dec 31, 2021
Collected
May 4, 2021 13:45
Sampling point
TF104
Sample type
Routine
Lab sample
NI-210505-015
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected May 4, 2021 13:45, sampling point TF104 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2021 – Dec 31, 2021
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected May 4, 2021 13:45, sampling point TF104 Nitrate 1040 EPA method QC10107041C Jan 1, 2021 – Dec 31, 2021
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected May 4, 2021 13:45, sampling point TF104 Nitrite 1041 EPA method QC10107041C Jan 1, 2021 – Dec 31, 2021
Collected
May 4, 2021 13:30
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
NI-210505-014
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected May 4, 2021 13:30, sampling point TF103 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2021 – Dec 31, 2021
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected May 4, 2021 13:30, sampling point TF103 Nitrate 1040 EPA method QC10107041C Jan 1, 2021 – Dec 31, 2021
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected May 4, 2021 13:30, sampling point TF103 Nitrite 1041 EPA method QC10107041C Jan 1, 2021 – Dec 31, 2021

Routine (10).