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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

MS0480013 , Wren W/A

22 of the 56 analytes this system has been tested for have been detected at least once, across 459 samples on record.

The other 34 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 459 samples on record, detections range from October 8, 2003 to March 10, 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 Wren W/A, 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 100 of 100 results Jul 31, 2007 Sep 19, 2023
Lead 1030 Inorganic Chemical 49 of 100 results Jul 31, 2007 Sep 19, 2023
Barium 1010 Inorganic Chemical 44 of 44 results Oct 8, 2003 Mar 10, 2025
Fluoride 1025 Inorganic Chemical 38 of 44 results Oct 8, 2003 Mar 10, 2025
Nickel 1036 Inorganic Chemical 26 of 44 results Mar 8, 2004 Mar 10, 2025
Chromium 1020 Inorganic Chemical 26 of 44 results Oct 8, 2003 Mar 8, 2016
Arsenic 1005 Inorganic Chemical 14 of 44 results Mar 8, 2004 Mar 10, 2025
Sodium 1052 Inorganic Chemical 14 of 14 results Sep 17, 2019 Feb 25, 2025
Gross Alpha, Incl. Radon & U 4002 Radionuclide 12 of 27 results Mar 14, 2012 Sep 17, 2019
Selenium 1045 Inorganic Chemical 9 of 44 results Oct 8, 2003 Jan 13, 2010
Sulfate 1055 Inorganic Chemical 8 of 8 results Oct 8, 2003 Mar 8, 2004
Nitrate 1040 Inorganic Chemical 7 of 112 results Jul 17, 2006 Nov 19, 2014
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 6 of 22 results Jun 15, 2010 Feb 26, 2025
Nitrate-Nitrite 1038 Inorganic Chemical 6 of 112 results Jul 17, 2006 Nov 19, 2014
Nitrite 1041 Inorganic Chemical 5 of 112 results Jul 17, 2006 Nov 19, 2014
Monochloroacetic Acid 2450 Organic Chemical 4 of 17 results Jul 7, 2016 Feb 26, 2025
TTHM 2950 Organic Chemical 4 of 23 results Sep 24, 2007 Dec 4, 2024
Bromoform 2942 Organic Chemical 2 of 18 results Sep 30, 2024 Dec 4, 2024
Cadmium 1015 Inorganic Chemical 2 of 44 results Apr 4, 2005 Apr 4, 2005
Monobromoacetic Acid 2453 Organic Chemical 1 of 17 results Sep 30, 2020 Sep 30, 2020
Dichloroacetic Acid 2451 Organic Chemical 1 of 17 results Aug 22, 2019 Aug 22, 2019
Xylenes, Total 2955 Organic Chemical 1 of 57 results Sep 14, 2011 Sep 14, 2011

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 241–250 of 459 samples, newest first — collected November 5, 2013 to August 5, 2014. The summary above covers all 459.

62 results from the 10 samples listed here: 15 detected, 47 not detected. Across the whole record it is 379 of 2,618. 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 Wren W/A, every result from 241 to 250 of 459 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
Aug 5, 2014 07:15
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
140807-083PB
Laboratory
MSDH Lab
0.2112 mg/l , sample collected Aug 5, 2014 07:15, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014
0.0008 mg/l , sample collected Aug 5, 2014 07:15, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014
Collected
Aug 5, 2014 06:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
140807-082PB
Laboratory
MSDH Lab
0.1379 mg/l , sample collected Aug 5, 2014 06:30, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014
0.0008 mg/l , sample collected Aug 5, 2014 06:30, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014
Collected
Aug 5, 2014 07:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
140807-081PB
Laboratory
MSDH Lab
0.2066 mg/l , sample collected Aug 5, 2014 07:30, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014
0.0021 mg/l , sample collected Aug 5, 2014 07:30, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014
Collected
Aug 3, 2014 08:15
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
140807-123PB
Laboratory
MSDH Lab
0.009 mg/l , sample collected Aug 3, 2014 08:15, 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 Aug 3, 2014 08:15, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014
Collected
Jun 24, 2014 01:05
Sampling point
TF106
Sample type
Routine
Lab sample
140625-020VO
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 24, 2014 01:05, sampling point TF106 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Jan 1, 2014 – Dec 31, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 24, 2014 01:05, sampling point TF106 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Jan 1, 2014 – Dec 31, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 24, 2014 01:05, sampling point TF106 Xylenes, Total 2955 EPA method 524.2 Jan 1, 2014 – Dec 31, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 24, 2014 01:05, sampling point TF106 Dichloromethane 2964 EPA method 524.2 Jan 1, 2014 – Dec 31, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 24, 2014 01:05, sampling point TF106 O-Dichlorobenzene 2968 EPA method 524.2 Jan 1, 2014 – Dec 31, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 24, 2014 01:05, sampling point TF106 P-Dichlorobenzene 2969 EPA method 524.2 Jan 1, 2014 – Dec 31, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 24, 2014 01:05, sampling point TF106 Vinyl Chloride 2976 EPA method 524.2 Jan 1, 2014 – Dec 31, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 24, 2014 01:05, sampling point TF106 1,1-Dichloroethylene 2977 EPA method 524.2 Jan 1, 2014 – Dec 31, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 24, 2014 01:05, sampling point TF106 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Jan 1, 2014 – Dec 31, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 24, 2014 01:05, sampling point TF106 1,2-Dichloroethane 2980 EPA method 524.2 Jan 1, 2014 – Dec 31, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 24, 2014 01:05, sampling point TF106 1,1,1-Trichloroethane 2981 EPA method 524.2 Jan 1, 2014 – Dec 31, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 24, 2014 01:05, sampling point TF106 Carbon Tetrachloride 2982 EPA method 524.2 Jan 1, 2014 – Dec 31, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 24, 2014 01:05, sampling point TF106 1,2-Dichloropropane 2983 EPA method 524.2 Jan 1, 2014 – Dec 31, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 24, 2014 01:05, sampling point TF106 Trichloroethylene 2984 EPA method 524.2 Jan 1, 2014 – Dec 31, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 24, 2014 01:05, sampling point TF106 1,1,2-Trichloroethane 2985 EPA method 524.2 Jan 1, 2014 – Dec 31, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 24, 2014 01:05, sampling point TF106 Tetrachloroethylene 2987 EPA method 524.2 Jan 1, 2014 – Dec 31, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 24, 2014 01:05, sampling point TF106 Chlorobenzene 2989 EPA method 524.2 Jan 1, 2014 – Dec 31, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 24, 2014 01:05, sampling point TF106 Benzene 2990 EPA method 524.2 Jan 1, 2014 – Dec 31, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 24, 2014 01:05, sampling point TF106 Toluene 2991 EPA method 524.2 Jan 1, 2014 – Dec 31, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 24, 2014 01:05, sampling point TF106 Ethylbenzene 2992 EPA method 524.2 Jan 1, 2014 – Dec 31, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 24, 2014 01:05, sampling point TF106 Styrene 2996 EPA method 524.2 Jan 1, 2014 – Dec 31, 2014
Collected
Apr 16, 2014 15:20
Sampling point
TF105 Treatment Plant T105
Sample type
Routine
Lab sample
140417-113NI
Laboratory
MSDH Lab
0.33 mg/l , sample collected Apr 16, 2014 15:20, sampling point TF105 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2014 – Dec 31, 2014
0.32 mg/l , sample collected Apr 16, 2014 15:20, sampling point TF105 Nitrate 1040 EPA method QC10107041C Jan 1, 2014 – Dec 31, 2014
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Apr 16, 2014 15:20, sampling point TF105 Nitrite 1041 EPA method QC10107041C Jan 1, 2014 – Dec 31, 2014
Collected
Apr 16, 2014 14:00
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
140417-084NI
Laboratory
MSDH Lab
0.34 mg/l , sample collected Apr 16, 2014 14:00, sampling point TF101 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2014 – Dec 31, 2014
0.33 mg/l , sample collected Apr 16, 2014 14:00, sampling point TF101 Nitrate 1040 EPA method QC10107041C Jan 1, 2014 – Dec 31, 2014
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Apr 16, 2014 14:00, sampling point TF101 Nitrite 1041 EPA method QC10107041C Jan 1, 2014 – Dec 31, 2014
Collected
Apr 16, 2014 15:50
Sampling point
TF106
Sample type
Routine
Lab sample
140417-040NI
Laboratory
MSDH Lab
0.34 mg/l , sample collected Apr 16, 2014 15:50, sampling point TF106 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2014 – Dec 31, 2014
0.33 mg/l , sample collected Apr 16, 2014 15:50, sampling point TF106 Nitrate 1040 EPA method QC10107041C Jan 1, 2014 – Dec 31, 2014
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Apr 16, 2014 15:50, sampling point TF106 Nitrite 1041 EPA method QC10107041C Jan 1, 2014 – Dec 31, 2014
Collected
Apr 16, 2014 14:25
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
140417-030NI
Laboratory
MSDH Lab
0.32 mg/l , sample collected Apr 16, 2014 14:25, sampling point TF103 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2014 – Dec 31, 2014
0.32 mg/l , sample collected Apr 16, 2014 14:25, sampling point TF103 Nitrate 1040 EPA method QC10107041C Jan 1, 2014 – Dec 31, 2014
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Apr 16, 2014 14:25, sampling point TF103 Nitrite 1041 EPA method QC10107041C Jan 1, 2014 – Dec 31, 2014
Collected
Nov 5, 2013 02:13
Sampling point
TF106
Sample type
Routine
Lab sample
131106-001VO
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Nov 5, 2013 02:13, sampling point TF106 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Oct 1, 2013 – Dec 31, 2013
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Nov 5, 2013 02:13, sampling point TF106 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Oct 1, 2013 – Dec 31, 2013
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Nov 5, 2013 02:13, sampling point TF106 Xylenes, Total 2955 EPA method 524.2 Oct 1, 2013 – Dec 31, 2013
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Nov 5, 2013 02:13, sampling point TF106 Dichloromethane 2964 EPA method 524.2 Oct 1, 2013 – Dec 31, 2013
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Nov 5, 2013 02:13, sampling point TF106 O-Dichlorobenzene 2968 EPA method 524.2 Oct 1, 2013 – Dec 31, 2013
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Nov 5, 2013 02:13, sampling point TF106 P-Dichlorobenzene 2969 EPA method 524.2 Oct 1, 2013 – Dec 31, 2013
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Nov 5, 2013 02:13, sampling point TF106 Vinyl Chloride 2976 EPA method 524.2 Oct 1, 2013 – Dec 31, 2013
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Nov 5, 2013 02:13, sampling point TF106 1,1-Dichloroethylene 2977 EPA method 524.2 Oct 1, 2013 – Dec 31, 2013
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Nov 5, 2013 02:13, sampling point TF106 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Oct 1, 2013 – Dec 31, 2013
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Nov 5, 2013 02:13, sampling point TF106 1,2-Dichloroethane 2980 EPA method 524.2 Oct 1, 2013 – Dec 31, 2013
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Nov 5, 2013 02:13, sampling point TF106 1,1,1-Trichloroethane 2981 EPA method 524.2 Oct 1, 2013 – Dec 31, 2013
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Nov 5, 2013 02:13, sampling point TF106 Carbon Tetrachloride 2982 EPA method 524.2 Oct 1, 2013 – Dec 31, 2013
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Nov 5, 2013 02:13, sampling point TF106 1,2-Dichloropropane 2983 EPA method 524.2 Oct 1, 2013 – Dec 31, 2013
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Nov 5, 2013 02:13, sampling point TF106 Trichloroethylene 2984 EPA method 524.2 Oct 1, 2013 – Dec 31, 2013
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Nov 5, 2013 02:13, sampling point TF106 1,1,2-Trichloroethane 2985 EPA method 524.2 Oct 1, 2013 – Dec 31, 2013
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Nov 5, 2013 02:13, sampling point TF106 Tetrachloroethylene 2987 EPA method 524.2 Oct 1, 2013 – Dec 31, 2013
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Nov 5, 2013 02:13, sampling point TF106 Chlorobenzene 2989 EPA method 524.2 Oct 1, 2013 – Dec 31, 2013
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Nov 5, 2013 02:13, sampling point TF106 Benzene 2990 EPA method 524.2 Oct 1, 2013 – Dec 31, 2013
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Nov 5, 2013 02:13, sampling point TF106 Toluene 2991 EPA method 524.2 Oct 1, 2013 – Dec 31, 2013
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Nov 5, 2013 02:13, sampling point TF106 Ethylbenzene 2992 EPA method 524.2 Oct 1, 2013 – Dec 31, 2013
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Nov 5, 2013 02:13, sampling point TF106 Styrene 2996 EPA method 524.2 Oct 1, 2013 – Dec 31, 2013

Routine (10).