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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

MS0120028 , Harmony W/A #7-N Enterprise

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

The other 36 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 March 26, 2002 to December 8, 2025. 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 W/A #7-N Enterprise, 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 189 of 189 results Dec 30, 2003 Sep 23, 2025
Lead 1030 Inorganic Chemical 66 of 189 results Dec 30, 2003 Sep 14, 2016
TTHM 2950 Organic Chemical 16 of 23 results May 24, 2004 Dec 8, 2025
Barium 1010 Inorganic Chemical 12 of 12 results Mar 26, 2002 Jun 11, 2025
Bromoform 2942 Organic Chemical 10 of 18 results Jun 28, 2007 Dec 8, 2025
Dibromochloromethane 2944 Organic Chemical 10 of 18 results Jun 28, 2007 Dec 8, 2025
Bromodichloromethane 2943 Organic Chemical 9 of 18 results Jun 28, 2007 Dec 8, 2025
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 8 of 22 results Jun 28, 2007 Mar 12, 2025
Chromium 1020 Inorganic Chemical 6 of 12 results Mar 26, 2002 Jun 11, 2025
Chloroform 2941 Organic Chemical 4 of 18 results Sep 29, 2025 Dec 8, 2025
Sodium 1052 Inorganic Chemical 3 of 3 results Oct 1, 2019 Oct 23, 2024
Dibromoacetic Acid 2454 Organic Chemical 3 of 15 results Aug 14, 2008 Aug 17, 2017
Nickel 1036 Inorganic Chemical 3 of 12 results Apr 9, 2008 Apr 24, 2014
Selenium 1045 Inorganic Chemical 3 of 12 results Jan 26, 2004 Jan 23, 2006
Cadmium 1015 Inorganic Chemical 2 of 12 results Feb 14, 2005 Jan 23, 2006
Fluoride 1025 Inorganic Chemical 2 of 12 results Feb 14, 2005 Jan 23, 2006
Nitrate-Nitrite 1038 Inorganic Chemical 1 of 23 results Feb 3, 2021 Feb 3, 2021
Nitrite 1041 Inorganic Chemical 1 of 23 results Feb 3, 2021 Feb 3, 2021
Xylenes, Total 2955 Organic Chemical 1 of 15 results Jul 18, 2012 Jul 18, 2012
Arsenic 1005 Inorganic Chemical 1 of 12 results Jan 23, 2006 Jan 23, 2006
Sulfate 1055 Inorganic Chemical 1 of 3 results Jan 26, 2004 Jan 26, 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 81–90 of 296 samples, newest first — collected July 29, 2014 to September 14, 2016. The summary above covers all 296.

48 results from the 10 samples listed here: 6 detected, 42 not detected. Across the whole record it is 351 of 1,126. 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 W/A #7-N Enterprise, every result from 81 to 90 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
Sep 14, 2016 10:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
160916-018PB
Laboratory
MSDH Lab
0.0103 mg/l , sample collected Sep 14, 2016 10:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Sep 14, 2016 10:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Collected
Sep 14, 2016 07:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
160916-017PB
Laboratory
MSDH Lab
0.2337 mg/l , sample collected Sep 14, 2016 07:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Sep 14, 2016 07:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Collected
Sep 14, 2016 07:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
160916-016PB
Laboratory
MSDH Lab
0.191 mg/l , sample collected Sep 14, 2016 07:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Sep 14, 2016 07:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Collected
Mar 22, 2016 15:36
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
160323-010NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Mar 22, 2016 15:36, sampling point TF101 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2016 – Dec 31, 2016
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Mar 22, 2016 15:36, sampling point TF101 Nitrate 1040 EPA method QC10107041C Jan 1, 2016 – Dec 31, 2016
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Mar 22, 2016 15:36, sampling point TF101 Nitrite 1041 EPA method QC10107041C Jan 1, 2016 – Dec 31, 2016
Collected
Jun 25, 2015 01:55
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
150626-007VO
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 25, 2015 01:55, sampling point TF101 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Jan 1, 2015 – Dec 31, 2015
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 25, 2015 01:55, sampling point TF101 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Jan 1, 2015 – Dec 31, 2015
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 25, 2015 01:55, sampling point TF101 Xylenes, Total 2955 EPA method 524.2 Jan 1, 2015 – Dec 31, 2015
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 25, 2015 01:55, sampling point TF101 Dichloromethane 2964 EPA method 524.2 Jan 1, 2015 – Dec 31, 2015
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 25, 2015 01:55, sampling point TF101 O-Dichlorobenzene 2968 EPA method 524.2 Jan 1, 2015 – Dec 31, 2015
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 25, 2015 01:55, sampling point TF101 P-Dichlorobenzene 2969 EPA method 524.2 Jan 1, 2015 – Dec 31, 2015
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 25, 2015 01:55, sampling point TF101 Vinyl Chloride 2976 EPA method 524.2 Jan 1, 2015 – Dec 31, 2015
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 25, 2015 01:55, sampling point TF101 1,1-Dichloroethylene 2977 EPA method 524.2 Jan 1, 2015 – Dec 31, 2015
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 25, 2015 01:55, sampling point TF101 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Jan 1, 2015 – Dec 31, 2015
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 25, 2015 01:55, sampling point TF101 1,2-Dichloroethane 2980 EPA method 524.2 Jan 1, 2015 – Dec 31, 2015
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 25, 2015 01:55, sampling point TF101 1,1,1-Trichloroethane 2981 EPA method 524.2 Jan 1, 2015 – Dec 31, 2015
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 25, 2015 01:55, sampling point TF101 Carbon Tetrachloride 2982 EPA method 524.2 Jan 1, 2015 – Dec 31, 2015
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 25, 2015 01:55, sampling point TF101 1,2-Dichloropropane 2983 EPA method 524.2 Jan 1, 2015 – Dec 31, 2015
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 25, 2015 01:55, sampling point TF101 Trichloroethylene 2984 EPA method 524.2 Jan 1, 2015 – Dec 31, 2015
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 25, 2015 01:55, sampling point TF101 1,1,2-Trichloroethane 2985 EPA method 524.2 Jan 1, 2015 – Dec 31, 2015
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 25, 2015 01:55, sampling point TF101 Tetrachloroethylene 2987 EPA method 524.2 Jan 1, 2015 – Dec 31, 2015
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 25, 2015 01:55, sampling point TF101 Chlorobenzene 2989 EPA method 524.2 Jan 1, 2015 – Dec 31, 2015
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 25, 2015 01:55, sampling point TF101 Benzene 2990 EPA method 524.2 Jan 1, 2015 – Dec 31, 2015
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 25, 2015 01:55, sampling point TF101 Toluene 2991 EPA method 524.2 Jan 1, 2015 – Dec 31, 2015
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 25, 2015 01:55, sampling point TF101 Ethylbenzene 2992 EPA method 524.2 Jan 1, 2015 – Dec 31, 2015
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 25, 2015 01:55, sampling point TF101 Styrene 2996 EPA method 524.2 Jan 1, 2015 – Dec 31, 2015
Collected
Jan 28, 2015 15:30
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
150129-039NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Jan 28, 2015 15:30, sampling point TF101 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2015 – Dec 31, 2015
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Jan 28, 2015 15:30, sampling point TF101 Nitrate 1040 EPA method QC10107041C Jan 1, 2015 – Dec 31, 2015
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Jan 28, 2015 15:30, sampling point TF101 Nitrite 1041 EPA method QC10107041C Jan 1, 2015 – Dec 31, 2015
Collected
Jul 30, 2014 02:50
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
140731-035HA
Laboratory
MSDH Lab
Not detected below 0.002 mg/l Minimum Reporting Level , sample collected Jul 30, 2014 02:50, sampling point MRT000 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Jul 30, 2014 02:50, sampling point MRT000 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Jul 30, 2014 02:50, sampling point MRT000 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Jul 30, 2014 02:50, sampling point MRT000 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Jul 30, 2014 02:50, sampling point MRT000 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
Not detected below 0.006 mg/l Minimum Reporting Level , sample collected Jul 30, 2014 02:50, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 Jan 1, 2013 – Dec 31, 2015
Collected
Jul 30, 2014 02:50
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
140731-031TH
Laboratory
MSDH Lab
Not detected below 1 ug/l Minimum Reporting Level , sample collected Jul 30, 2014 02:50, sampling point MRT000 Chloroform 2941 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Jul 30, 2014 02:50, sampling point MRT000 Bromoform 2942 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Jul 30, 2014 02:50, sampling point MRT000 Bromodichloromethane 2943 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Jul 30, 2014 02:50, sampling point MRT000 Dibromochloromethane 2944 EPA method 524.2 Not recorded
Not detected below 4 ug/l Minimum Reporting Level , sample collected Jul 30, 2014 02:50, sampling point MRT000 TTHM 2950 EPA method 524.2 Jan 1, 2013 – Dec 31, 2015
Collected
Jul 29, 2014 07:45
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
140730-031PB
Laboratory
MSDH Lab
0.1465 mg/l , sample collected Jul 29, 2014 07:45, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014
0.0005 mg/l , sample collected Jul 29, 2014 07:45, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014
Collected
Jul 29, 2014 06:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
140730-023PB
Laboratory
MSDH Lab
0.1753 mg/l , sample collected Jul 29, 2014 06:30, 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 29, 2014 06:30, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014

Routine (10).