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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.

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

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 121–130 of 340 samples, newest first — collected March 5, 2014 to July 30, 2014. The summary above covers all 340.

45 results from the 10 samples listed here: 16 detected, 29 not detected. Across the whole record it is 336 of 1,568. 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 Harmony Water Association #4, every result from 121 to 130 of 340 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
Jul 30, 2014
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
140801-019PB
Laboratory
MSDH Lab
0.291 mg/l , sample collected Jul 30, 2014, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014
0.0008 mg/l , sample collected Jul 30, 2014, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014
Collected
Jul 30, 2014 04:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
140801-012PB
Laboratory
MSDH Lab
0.0089 mg/l , sample collected Jul 30, 2014 04:30, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014
0.004 mg/l , sample collected Jul 30, 2014 04:30, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014
Collected
Jul 30, 2014 07:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
140801-011PB
Laboratory
MSDH Lab
0.197 mg/l , sample collected Jul 30, 2014 07:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jul 30, 2014 07:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014
Collected
Jul 30, 2014 06:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
140801-005PB
Laboratory
MSDH Lab
0.0983 mg/l , sample collected Jul 30, 2014 06:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014
0.0009 mg/l , sample collected Jul 30, 2014 06:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014
Collected
Jul 30, 2014 07:08
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
140801-001PB
Laboratory
MSDH Lab
0.1335 mg/l , sample collected Jul 30, 2014 07:08, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014
0.0013 mg/l , sample collected Jul 30, 2014 07:08, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014
Collected
Jul 14, 2014 02:56
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
140715-032CN
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Jul 14, 2014 02:56, sampling point TF102 Cyanide 1024 EPA method QC10204001X Jan 1, 2014 – Dec 31, 2016
Collected
Apr 24, 2014 03:21
Sampling point
TF104
Sample type
Routine
Lab sample
140425-004IN
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 24, 2014 03:21, sampling point TF104 Arsenic 1005 EPA method 200.8 Jan 1, 2013 – Dec 31, 2015
0.0088 mg/l , sample collected Apr 24, 2014 03:21, sampling point TF104 Barium 1010 EPA method 200.8 Jan 1, 2013 – Dec 31, 2015
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 24, 2014 03:21, sampling point TF104 Cadmium 1015 EPA method 200.8 Jan 1, 2013 – Dec 31, 2015
0.0024 mg/l , sample collected Apr 24, 2014 03:21, sampling point TF104 Chromium 1020 EPA method 200.8 Jan 1, 2013 – Dec 31, 2015
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Apr 24, 2014 03:21, sampling point TF104 Fluoride 1025 EPA method 300.0 Jan 1, 2013 – Dec 31, 2015
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 24, 2014 03:21, sampling point TF104 Mercury 1035 EPA method 200.8 Jan 1, 2013 – Dec 31, 2015
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 24, 2014 03:21, sampling point TF104 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected Apr 24, 2014 03:21, sampling point TF104 Selenium 1045 EPA method 200.8 Jan 1, 2013 – Dec 31, 2015
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 24, 2014 03:21, sampling point TF104 Antimony, Total 1074 EPA method 200.8 Jan 1, 2013 – Dec 31, 2015
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 24, 2014 03:21, sampling point TF104 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2013 – Dec 31, 2015
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 24, 2014 03:21, sampling point TF104 Thallium, Total 1085 EPA method 200.8 Jan 1, 2013 – Dec 31, 2015
Collected
Apr 24, 2014 04:12
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
140425-002IN
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 24, 2014 04:12, sampling point TF102 Arsenic 1005 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
0.0082 mg/l , sample collected Apr 24, 2014 04:12, sampling point TF102 Barium 1010 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 24, 2014 04:12, sampling point TF102 Cadmium 1015 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
0.0025 mg/l , sample collected Apr 24, 2014 04:12, sampling point TF102 Chromium 1020 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Apr 24, 2014 04:12, sampling point TF102 Fluoride 1025 EPA method 300.0 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 24, 2014 04:12, sampling point TF102 Mercury 1035 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 24, 2014 04:12, sampling point TF102 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected Apr 24, 2014 04:12, sampling point TF102 Selenium 1045 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 24, 2014 04:12, sampling point TF102 Antimony, Total 1074 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 24, 2014 04:12, sampling point TF102 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 24, 2014 04:12, sampling point TF102 Thallium, Total 1085 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Collected
Apr 24, 2014 03:05
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
140425-001IN
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 24, 2014 03:05, sampling point TF103 Arsenic 1005 EPA method 200.8 Jan 1, 2013 – Dec 31, 2015
0.0076 mg/l , sample collected Apr 24, 2014 03:05, sampling point TF103 Barium 1010 EPA method 200.8 Jan 1, 2013 – Dec 31, 2015
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 24, 2014 03:05, sampling point TF103 Cadmium 1015 EPA method 200.8 Jan 1, 2013 – Dec 31, 2015
0.0024 mg/l , sample collected Apr 24, 2014 03:05, sampling point TF103 Chromium 1020 EPA method 200.8 Jan 1, 2013 – Dec 31, 2015
0.104 mg/l , sample collected Apr 24, 2014 03:05, sampling point TF103 Fluoride 1025 EPA method 300.0 Jan 1, 2013 – Dec 31, 2015
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 24, 2014 03:05, sampling point TF103 Mercury 1035 EPA method 200.8 Jan 1, 2013 – Dec 31, 2015
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 24, 2014 03:05, sampling point TF103 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected Apr 24, 2014 03:05, sampling point TF103 Selenium 1045 EPA method 200.8 Jan 1, 2013 – Dec 31, 2015
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 24, 2014 03:05, sampling point TF103 Antimony, Total 1074 EPA method 200.8 Jan 1, 2013 – Dec 31, 2015
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 24, 2014 03:05, sampling point TF103 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2013 – Dec 31, 2015
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 24, 2014 03:05, sampling point TF103 Thallium, Total 1085 EPA method 200.8 Jan 1, 2013 – Dec 31, 2015
Collected
Mar 5, 2014 04:14
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
140306-008CN
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Mar 5, 2014 04:14, sampling point TF103 Cyanide 1024 EPA method QC10204001X Jan 1, 2013 – Dec 31, 2015

Routine (10).