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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; 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 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

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.

Show every sample on record

Choose a date range

The most recent samples, result by result

The table below lists 11–20 of 30 samples, newest first — collected February 26, 2025 to March 10, 2025. The summary above covers all 30.

70 results from the 10 samples listed here: 17 detected, 53 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.

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 Wren W/A, every result from 11 to 20 of 30 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
Mar 10, 2025 13:30
Sampling point
TF105 Treatment Plant T105
Sample type
Routine
Lab sample
IN-250311-002
Laboratory
MSDH Lab
0.0005 mg/l , sample collected Mar 10, 2025 13:30, sampling point TF105 Arsenic 1005 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.0889 mg/l , sample collected Mar 10, 2025 13:30, sampling point TF105 Barium 1010 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 10, 2025 13:30, sampling point TF105 Cadmium 1015 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 10, 2025 13:30, sampling point TF105 Chromium 1020 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.137 mg/l , sample collected Mar 10, 2025 13:30, sampling point TF105 Fluoride 1025 EPA method QC 10-109-12-2-A Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 10, 2025 13:30, sampling point TF105 Mercury 1035 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.0006 mg/l , sample collected Mar 10, 2025 13:30, sampling point TF105 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected Mar 10, 2025 13:30, sampling point TF105 Selenium 1045 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 10, 2025 13:30, sampling point TF105 Antimony, Total 1074 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 10, 2025 13:30, sampling point TF105 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 10, 2025 13:30, sampling point TF105 Thallium, Total 1085 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Mar 10, 2025 14:45
Sampling point
TF104 Treatment Plant T104
Sample type
Routine
Lab sample
IN-250311-004
Laboratory
MSDH Lab
0.0008 mg/l , sample collected Mar 10, 2025 14:45, sampling point TF104 Arsenic 1005 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.0896 mg/l , sample collected Mar 10, 2025 14:45, sampling point TF104 Barium 1010 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 10, 2025 14:45, sampling point TF104 Cadmium 1015 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 10, 2025 14:45, sampling point TF104 Chromium 1020 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.131 mg/l , sample collected Mar 10, 2025 14:45, sampling point TF104 Fluoride 1025 EPA method QC 10-109-12-2-A Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 10, 2025 14:45, sampling point TF104 Mercury 1035 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.0015 mg/l , sample collected Mar 10, 2025 14:45, sampling point TF104 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected Mar 10, 2025 14:45, sampling point TF104 Selenium 1045 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 10, 2025 14:45, sampling point TF104 Antimony, Total 1074 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 10, 2025 14:45, sampling point TF104 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 10, 2025 14:45, sampling point TF104 Thallium, Total 1085 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Mar 10, 2025 13:45
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
IN-250311-003
Laboratory
MSDH Lab
0.0005 mg/l , sample collected Mar 10, 2025 13:45, sampling point TF103 Arsenic 1005 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.0801 mg/l , sample collected Mar 10, 2025 13:45, sampling point TF103 Barium 1010 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 10, 2025 13:45, sampling point TF103 Cadmium 1015 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 10, 2025 13:45, sampling point TF103 Chromium 1020 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.14 mg/l , sample collected Mar 10, 2025 13:45, sampling point TF103 Fluoride 1025 EPA method QC 10-109-12-2-A Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 10, 2025 13:45, sampling point TF103 Mercury 1035 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 10, 2025 13:45, sampling point TF103 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected Mar 10, 2025 13:45, sampling point TF103 Selenium 1045 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 10, 2025 13:45, sampling point TF103 Antimony, Total 1074 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 10, 2025 13:45, sampling point TF103 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 10, 2025 13:45, sampling point TF103 Thallium, Total 1085 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Mar 10, 2025 14:00
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
IN-250311-001
Laboratory
MSDH Lab
0.0005 mg/l , sample collected Mar 10, 2025 14:00, sampling point TF101 Arsenic 1005 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.0886 mg/l , sample collected Mar 10, 2025 14:00, sampling point TF101 Barium 1010 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 10, 2025 14:00, sampling point TF101 Cadmium 1015 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 10, 2025 14:00, sampling point TF101 Chromium 1020 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.135 mg/l , sample collected Mar 10, 2025 14:00, sampling point TF101 Fluoride 1025 EPA method QC 10-109-12-2-A Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 10, 2025 14:00, sampling point TF101 Mercury 1035 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.0005 mg/l , sample collected Mar 10, 2025 14:00, sampling point TF101 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected Mar 10, 2025 14:00, sampling point TF101 Selenium 1045 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 10, 2025 14:00, sampling point TF101 Antimony, Total 1074 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 10, 2025 14:00, sampling point TF101 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 10, 2025 14:00, sampling point TF101 Thallium, Total 1085 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Mar 10, 2025 15:00
Sampling point
TF106
Sample type
Routine
Lab sample
NI-250311-019
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Mar 10, 2025 15:00, sampling point TF106 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Mar 10, 2025 15:00, sampling point TF106 Nitrate 1040 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Mar 10, 2025 15:00, sampling point TF106 Nitrite 1041 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Collected
Mar 10, 2025 13:30
Sampling point
TF105 Treatment Plant T105
Sample type
Routine
Lab sample
NI-250311-020
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Mar 10, 2025 13:30, sampling point TF105 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Mar 10, 2025 13:30, sampling point TF105 Nitrate 1040 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Mar 10, 2025 13:30, sampling point TF105 Nitrite 1041 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Collected
Mar 10, 2025 14:45
Sampling point
TF104 Treatment Plant T104
Sample type
Routine
Lab sample
NI-250311-018
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Mar 10, 2025 14:45, sampling point TF104 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Mar 10, 2025 14:45, sampling point TF104 Nitrate 1040 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Mar 10, 2025 14:45, sampling point TF104 Nitrite 1041 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Collected
Mar 10, 2025 13:45
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
NI-250311-017
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Mar 10, 2025 13:45, 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 Mar 10, 2025 13:45, 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 Mar 10, 2025 13:45, sampling point TF103 Nitrite 1041 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Collected
Mar 10, 2025 14:00
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
NI-250311-016
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Mar 10, 2025 14:00, sampling point TF101 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Mar 10, 2025 14:00, sampling point TF101 Nitrate 1040 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Mar 10, 2025 14:00, sampling point TF101 Nitrite 1041 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Collected
Feb 26, 2025 14:15
Sampling point
SM1 Location withheld
Sample type
Routine
Lab sample
810-139454-2
Laboratory
Eurofins Eaton Analytical South Bend in
2.2 ug/l , sample collected Feb 26, 2025 14:15, sampling point SM1 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Feb 26, 2025 14:15, sampling point SM1 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Feb 26, 2025 14:15, sampling point SM1 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Feb 26, 2025 14:15, sampling point SM1 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Feb 26, 2025 14:15, sampling point SM1 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
2.2 ug/l , sample collected Feb 26, 2025 14:15, sampling point SM1 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Jan 1, 2025 – Mar 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Feb 26, 2025 14:15, sampling point SM1 Chloroform 2941 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Feb 26, 2025 14:15, sampling point SM1 Bromoform 2942 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Feb 26, 2025 14:15, sampling point SM1 Bromodichloromethane 2943 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Feb 26, 2025 14:15, sampling point SM1 Dibromochloromethane 2944 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Feb 26, 2025 14:15, sampling point SM1 TTHM 2950 EPA method 524.2 Jan 1, 2025 – Mar 31, 2025

Routine (10).