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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

MS0120016 , Harmony Water Association #4

26 of the 57 analytes this system has been tested for have been detected at least once, across 340 samples on record.

The other 31 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 340 samples on record, detections range from November 10, 1993 to July 15, 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 Harmony Water Association #4, 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 109 of 132 results Nov 10, 1993 Jul 26, 2023
Lead 1030 Inorganic Chemical 72 of 132 results Nov 10, 1993 Jul 26, 2023
Barium 1010 Inorganic Chemical 29 of 29 results Mar 26, 2002 Jun 11, 2025
Chromium 1020 Inorganic Chemical 19 of 29 results Mar 26, 2002 Jun 11, 2025
Fluoride 1025 Inorganic Chemical 12 of 29 results Feb 14, 2005 Jun 11, 2025
TTHM 2950 Organic Chemical 11 of 19 results Jul 12, 2007 Jul 15, 2026
Chloroform 2941 Organic Chemical 7 of 16 results Aug 29, 2018 Jul 15, 2026
Bromoform 2942 Organic Chemical 7 of 16 results Sep 14, 2011 Jul 15, 2026
Bromodichloromethane 2943 Organic Chemical 7 of 16 results Sep 14, 2011 Jul 15, 2026
Dibromochloromethane 2944 Organic Chemical 7 of 16 results Sep 14, 2011 Jul 15, 2026
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 7 of 19 results Jul 12, 2007 Nov 29, 2023
Selenium 1045 Inorganic Chemical 7 of 29 results Feb 14, 2005 Apr 9, 2008
Sodium 1052 Inorganic Chemical 6 of 6 results Feb 3, 2021 Oct 23, 2024
Cadmium 1015 Inorganic Chemical 6 of 29 results Feb 14, 2005 Jan 23, 2006
Gross Alpha, Incl. Radon & U 4002 Radionuclide 5 of 15 results Mar 22, 2012 Oct 26, 2012
Nitrite 1041 Inorganic Chemical 4 of 65 results Nov 12, 2013 Mar 20, 2019
Nickel 1036 Inorganic Chemical 4 of 29 results Feb 14, 2005 Apr 9, 2008
Dibromoacetic Acid 2454 Organic Chemical 3 of 14 results Sep 14, 2011 Jul 22, 2020
Thallium, Total 1085 Inorganic Chemical 3 of 29 results Apr 28, 2020 Apr 28, 2020
Nitrate-Nitrite 1038 Inorganic Chemical 3 of 65 results May 5, 2004 Mar 20, 2019
Arsenic 1005 Inorganic Chemical 2 of 29 results Dec 12, 2005 Apr 28, 2020
Nitrate 1040 Inorganic Chemical 2 of 65 results May 5, 2004 Mar 20, 2019
Cyanide 1024 Inorganic Chemical 1 of 27 results Apr 21, 2021 Apr 21, 2021
Xylenes, Total 2955 Organic Chemical 1 of 24 results Oct 13, 2004 Oct 13, 2004
Ethylbenzene 2992 Organic Chemical 1 of 24 results Oct 13, 2004 Oct 13, 2004
Styrene 2996 Organic Chemical 1 of 24 results Oct 13, 2004 Oct 13, 2004

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.

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The most recent samples, result by result

The table below lists 11–18 of 18 samples, newest first — collected October 23, 2024 to May 14, 2025. The summary above covers all 18.

22 results from the 8 samples listed here: 8 detected, 14 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 Harmony Water Association #4, every result from 11 to 18 of 18 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
May 14, 2025 11:16
Sampling point
SM2 Location withheld
Sample type
Routine
Lab sample
810-148861-1
Laboratory
Eurofins Eaton Analytical South Bend in
Not detected below 2 ug/l Minimum Reporting Level , sample collected May 14, 2025 11:16, sampling point SM2 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected May 14, 2025 11:16, sampling point SM2 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected May 14, 2025 11:16, sampling point SM2 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected May 14, 2025 11:16, sampling point SM2 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected May 14, 2025 11:16, sampling point SM2 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
Not detected below 2 ug/l Minimum Reporting Level , sample collected May 14, 2025 11:16, sampling point SM2 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Apr 1, 2025 – Jun 30, 2025
0.77 ug/l , sample collected May 14, 2025 11:16, sampling point SM2 Chloroform 2941 EPA method 524.2 Not recorded
1.3 ug/l , sample collected May 14, 2025 11:16, sampling point SM2 Bromoform 2942 EPA method 524.2 Not recorded
0.87 ug/l , sample collected May 14, 2025 11:16, sampling point SM2 Bromodichloromethane 2943 EPA method 524.2 Not recorded
1.1 ug/l , sample collected May 14, 2025 11:16, sampling point SM2 Dibromochloromethane 2944 EPA method 524.2 Not recorded
4.04 ug/l , sample collected May 14, 2025 11:16, sampling point SM2 TTHM 2950 EPA method 524.2 Apr 1, 2025 – Jun 30, 2025
Collected
Apr 29, 2025 14:03
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
NI-250430-007
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Apr 29, 2025 14:03, sampling point TF103 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Apr 29, 2025 14:03, sampling point TF103 Nitrate 1040 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Apr 29, 2025 14:03, sampling point TF103 Nitrite 1041 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Collected
Apr 29, 2025 13:31
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
NI-250430-006
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Apr 29, 2025 13:31, sampling point TF102 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Apr 29, 2025 13:31, sampling point TF102 Nitrate 1040 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Apr 29, 2025 13:31, sampling point TF102 Nitrite 1041 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Collected
Oct 30, 2024 16:05
Sampling point
TF104
Sample type
Routine
Lab sample
CN-241031-004
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Oct 30, 2024 16:05, sampling point TF104 Cyanide 1024 EPA method QC10204001X Jan 1, 2022 – Dec 31, 2024
Collected
Oct 30, 2024 15:35
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
CN-241031-005
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Oct 30, 2024 15:35, sampling point TF103 Cyanide 1024 EPA method QC10204001X Jan 1, 2022 – Dec 31, 2024
Collected
Oct 23, 2024 13:59
Sampling point
TF104
Sample type
Routine
Lab sample
NA-241024-007
Laboratory
MSDH Lab
68.9 mg/l , sample collected Oct 23, 2024 13:59, sampling point TF104 Sodium 1052 EPA method 200.7 Jan 1, 2022 – Dec 31, 2024
Collected
Oct 23, 2024 13:41
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
NA-241024-006
Laboratory
MSDH Lab
69.7 mg/l , sample collected Oct 23, 2024 13:41, sampling point TF103 Sodium 1052 EPA method 200.7 Jan 1, 2022 – Dec 31, 2024
Collected
Oct 23, 2024 13:28
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
NA-241024-005
Laboratory
MSDH Lab
71 mg/l , sample collected Oct 23, 2024 13:28, sampling point TF102 Sodium 1052 EPA method 200.7 Jan 1, 2022 – Dec 31, 2024

Routine (8).