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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 61–70 of 459 samples, newest first — collected October 3, 2022 to February 28, 2023. The summary above covers all 459.

70 results from the 10 samples listed here: 20 detected, 50 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 61 to 70 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
Feb 28, 2023 14:30
Sampling point
TF106
Sample type
Routine
Lab sample
NI-230301-042
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Feb 28, 2023 14:30, sampling point TF106 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2023 – Dec 31, 2023
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Feb 28, 2023 14:30, sampling point TF106 Nitrate 1040 EPA method QC10107041C Jan 1, 2023 – Dec 31, 2023
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Feb 28, 2023 14:30, sampling point TF106 Nitrite 1041 EPA method QC10107041C Jan 1, 2023 – Dec 31, 2023
Collected
Feb 28, 2023 14:00
Sampling point
TF105 Treatment Plant T105
Sample type
Routine
Lab sample
NI-230301-041
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Feb 28, 2023 14:00, sampling point TF105 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2023 – Dec 31, 2023
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Feb 28, 2023 14:00, sampling point TF105 Nitrate 1040 EPA method QC10107041C Jan 1, 2023 – Dec 31, 2023
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Feb 28, 2023 14:00, sampling point TF105 Nitrite 1041 EPA method QC10107041C Jan 1, 2023 – Dec 31, 2023
Collected
Feb 28, 2023 13:30
Sampling point
TF104 Treatment Plant T104
Sample type
Routine
Lab sample
NI-230301-040
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Feb 28, 2023 13:30, sampling point TF104 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2023 – Dec 31, 2023
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Feb 28, 2023 13:30, sampling point TF104 Nitrate 1040 EPA method QC10107041C Jan 1, 2023 – Dec 31, 2023
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Feb 28, 2023 13:30, sampling point TF104 Nitrite 1041 EPA method QC10107041C Jan 1, 2023 – Dec 31, 2023
Collected
Feb 28, 2023 12:30
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
NI-230301-039
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Feb 28, 2023 12:30, sampling point TF103 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2023 – Dec 31, 2023
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Feb 28, 2023 12:30, sampling point TF103 Nitrate 1040 EPA method QC10107041C Jan 1, 2023 – Dec 31, 2023
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Feb 28, 2023 12:30, sampling point TF103 Nitrite 1041 EPA method QC10107041C Jan 1, 2023 – Dec 31, 2023
Collected
Feb 28, 2023 13:00
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
NI-230301-038
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Feb 28, 2023 13:00, sampling point TF101 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2023 – Dec 31, 2023
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Feb 28, 2023 13:00, sampling point TF101 Nitrate 1040 EPA method QC10107041C Jan 1, 2023 – Dec 31, 2023
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Feb 28, 2023 13:00, sampling point TF101 Nitrite 1041 EPA method QC10107041C Jan 1, 2023 – Dec 31, 2023
Collected
Oct 3, 2022 12:05
Sampling point
TF106
Sample type
Routine
Lab sample
IN-221004-017
Laboratory
MSDH Lab
0.0006 mg/l , sample collected Oct 3, 2022 12:05, sampling point TF106 Arsenic 1005 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
0.0985 mg/l , sample collected Oct 3, 2022 12:05, sampling point TF106 Barium 1010 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Oct 3, 2022 12:05, sampling point TF106 Cadmium 1015 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Oct 3, 2022 12:05, sampling point TF106 Chromium 1020 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
0.126 mg/l , sample collected Oct 3, 2022 12:05, sampling point TF106 Fluoride 1025 EPA method QC 10-109-12-2-A Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Oct 3, 2022 12:05, sampling point TF106 Mercury 1035 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
0.001 mg/l , sample collected Oct 3, 2022 12:05, sampling point TF106 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected Oct 3, 2022 12:05, sampling point TF106 Selenium 1045 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Oct 3, 2022 12:05, sampling point TF106 Antimony, Total 1074 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Oct 3, 2022 12:05, sampling point TF106 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Oct 3, 2022 12:05, sampling point TF106 Thallium, Total 1085 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Collected
Oct 3, 2022 10:50
Sampling point
TF105 Treatment Plant T105
Sample type
Routine
Lab sample
IN-221004-016
Laboratory
MSDH Lab
0.0006 mg/l , sample collected Oct 3, 2022 10:50, sampling point TF105 Arsenic 1005 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
0.0975 mg/l , sample collected Oct 3, 2022 10:50, sampling point TF105 Barium 1010 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Oct 3, 2022 10:50, sampling point TF105 Cadmium 1015 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Oct 3, 2022 10:50, sampling point TF105 Chromium 1020 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
0.125 mg/l , sample collected Oct 3, 2022 10:50, sampling point TF105 Fluoride 1025 EPA method QC 10-109-12-2-A Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Oct 3, 2022 10:50, sampling point TF105 Mercury 1035 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
0.0009 mg/l , sample collected Oct 3, 2022 10:50, sampling point TF105 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected Oct 3, 2022 10:50, sampling point TF105 Selenium 1045 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Oct 3, 2022 10:50, sampling point TF105 Antimony, Total 1074 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Oct 3, 2022 10:50, sampling point TF105 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Oct 3, 2022 10:50, sampling point TF105 Thallium, Total 1085 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Collected
Oct 3, 2022 10:10
Sampling point
TF104 Treatment Plant T104
Sample type
Routine
Lab sample
IN-221004-015
Laboratory
MSDH Lab
0.0006 mg/l , sample collected Oct 3, 2022 10:10, sampling point TF104 Arsenic 1005 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
0.0957 mg/l , sample collected Oct 3, 2022 10:10, sampling point TF104 Barium 1010 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Oct 3, 2022 10:10, sampling point TF104 Cadmium 1015 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Oct 3, 2022 10:10, sampling point TF104 Chromium 1020 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
0.125 mg/l , sample collected Oct 3, 2022 10:10, sampling point TF104 Fluoride 1025 EPA method QC 10-109-12-2-A Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Oct 3, 2022 10:10, sampling point TF104 Mercury 1035 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
0.001 mg/l , sample collected Oct 3, 2022 10:10, sampling point TF104 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected Oct 3, 2022 10:10, sampling point TF104 Selenium 1045 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Oct 3, 2022 10:10, sampling point TF104 Antimony, Total 1074 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Oct 3, 2022 10:10, sampling point TF104 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Oct 3, 2022 10:10, sampling point TF104 Thallium, Total 1085 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Collected
Oct 3, 2022 11:30
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
IN-221004-014
Laboratory
MSDH Lab
0.0006 mg/l , sample collected Oct 3, 2022 11:30, sampling point TF103 Arsenic 1005 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
0.0963 mg/l , sample collected Oct 3, 2022 11:30, sampling point TF103 Barium 1010 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Oct 3, 2022 11:30, sampling point TF103 Cadmium 1015 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Oct 3, 2022 11:30, sampling point TF103 Chromium 1020 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
0.124 mg/l , sample collected Oct 3, 2022 11:30, sampling point TF103 Fluoride 1025 EPA method QC 10-109-12-2-A Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Oct 3, 2022 11:30, sampling point TF103 Mercury 1035 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
0.001 mg/l , sample collected Oct 3, 2022 11:30, sampling point TF103 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected Oct 3, 2022 11:30, sampling point TF103 Selenium 1045 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Oct 3, 2022 11:30, sampling point TF103 Antimony, Total 1074 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Oct 3, 2022 11:30, sampling point TF103 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Oct 3, 2022 11:30, sampling point TF103 Thallium, Total 1085 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Collected
Oct 3, 2022 09:30
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
IN-221004-013
Laboratory
MSDH Lab
0.0007 mg/l , sample collected Oct 3, 2022 09:30, sampling point TF101 Arsenic 1005 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
0.0967 mg/l , sample collected Oct 3, 2022 09:30, sampling point TF101 Barium 1010 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Oct 3, 2022 09:30, sampling point TF101 Cadmium 1015 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Oct 3, 2022 09:30, sampling point TF101 Chromium 1020 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
0.126 mg/l , sample collected Oct 3, 2022 09:30, sampling point TF101 Fluoride 1025 EPA method QC 10-109-12-2-A Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Oct 3, 2022 09:30, sampling point TF101 Mercury 1035 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
0.001 mg/l , sample collected Oct 3, 2022 09:30, sampling point TF101 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected Oct 3, 2022 09:30, sampling point TF101 Selenium 1045 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Oct 3, 2022 09:30, sampling point TF101 Antimony, Total 1074 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Oct 3, 2022 09:30, sampling point TF101 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Oct 3, 2022 09:30, sampling point TF101 Thallium, Total 1085 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022

Routine (10).