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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

MS0180001 , Barrontown W/A

46 of the 75 analytes this system has been tested for have been detected at least once, across 819 samples on record.

The other 29 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 819 samples on record, detections range from December 21, 1992 to April 28, 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 Barrontown 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 274 of 323 results Dec 21, 1992 Jul 2, 2024
Lead 1030 Inorganic Chemical 159 of 323 results Dec 21, 1992 Jun 26, 2024
Fluoride 1025 Inorganic Chemical 63 of 63 results May 14, 2002 Feb 5, 2025
Barium 1010 Inorganic Chemical 62 of 62 results May 14, 2002 Feb 5, 2025
Chromium 1020 Inorganic Chemical 37 of 62 results May 14, 2002 Feb 5, 2025
Gross Alpha, Incl. Radon & U 4002 Radionuclide 21 of 31 results Mar 7, 2012 Mar 16, 2016
TTHM 2950 Organic Chemical 19 of 21 results May 19, 2004 Apr 28, 2026
Nickel 1036 Inorganic Chemical 19 of 62 results Feb 28, 2005 Feb 5, 2025
Sodium 1052 Inorganic Chemical 19 of 19 results Jun 9, 2008 Jan 30, 2024
Combined Radium (-226 & -228) 4010 Radionuclide 18 of 40 results Sep 29, 2009 Mar 16, 2016
Radium-226 4020 Radionuclide 17 of 40 results Sep 29, 2009 Mar 16, 2016
Chloroform 2941 Organic Chemical 14 of 16 results Sep 18, 2008 Apr 28, 2026
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 14 of 18 results Sep 18, 2008 Dec 16, 2025
Bromodichloromethane 2943 Organic Chemical 13 of 16 results Sep 18, 2008 Apr 28, 2026
Dibromochloromethane 2944 Organic Chemical 12 of 16 results Sep 18, 2008 Apr 28, 2026
Trichloroacetic Acid 2452 Organic Chemical 11 of 14 results Sep 18, 2008 Dec 16, 2025
Dichloroacetic Acid 2451 Organic Chemical 10 of 14 results Jul 12, 2012 Dec 16, 2025
Sulfate 1055 Inorganic Chemical 10 of 10 results May 14, 2002 Jun 9, 2008
Xylenes, Total 2955 Organic Chemical 8 of 121 results Jul 24, 2012 Mar 6, 2024
Gross Alpha, Excl. Radon & U 4000 Radionuclide 8 of 9 results Sep 29, 2009 Mar 4, 2010
Gross Alpha Particle Activity 4109 Radionuclide 8 of 9 results Sep 29, 2009 Mar 4, 2010
Cyanide 1024 Inorganic Chemical 6 of 56 results Feb 28, 2005 Jun 10, 2025
Gross Beta Particle Activity 4100 Radionuclide 6 of 6 results Sep 29, 2009 Mar 4, 2010
Selenium 1045 Inorganic Chemical 6 of 62 results Jan 25, 2006 Nov 5, 2008
Radium-228 4030 Radionuclide 5 of 40 results Sep 29, 2009 Mar 4, 2010
Cadmium 1015 Inorganic Chemical 5 of 62 results Jan 25, 2006 Jan 25, 2006
Nitrite 1041 Inorganic Chemical 4 of 128 results Jan 10, 2022 Jan 10, 2022
Monochloroacetic Acid 2450 Organic Chemical 3 of 14 results Sep 2, 2014 May 6, 2020
Carbon Tetrachloride 2982 Organic Chemical 1 of 121 results Feb 5, 2025 Feb 5, 2025
Dibromoacetic Acid 2454 Organic Chemical 1 of 14 results Nov 16, 2020 Nov 16, 2020
Toluene 2991 Organic Chemical 1 of 121 results Jul 26, 2017 Jul 26, 2017
Ethylbenzene 2992 Organic Chemical 1 of 121 results Nov 15, 2016 Nov 15, 2016
Monobromoacetic Acid 2453 Organic Chemical 1 of 14 results Jul 12, 2012 Jul 12, 2012
Calcium 1016 Inorganic Chemical 1 of 1 result Jun 9, 2008 Jun 9, 2008
Iron 1028 Inorganic Chemical 1 of 1 result Jun 9, 2008 Jun 9, 2008
Magnesium 1031 Inorganic Chemical 1 of 1 result Jun 9, 2008 Jun 9, 2008
Manganese 1032 Inorganic Chemical 1 of 1 result Jun 9, 2008 Jun 9, 2008
Residue, Total, Filterable 1057 Water Quality 1 of 1 result Jun 9, 2008 Jun 9, 2008
Alkalinity, Caco3 Stability 1067 Water Quality 1 of 1 result Jun 9, 2008 Jun 9, 2008
Carbon Dioxide 1901 Water Quality 1 of 1 result Jun 9, 2008 Jun 9, 2008
Hardness, Total (As Caco3) 1915 Water Quality 1 of 1 result Jun 9, 2008 Jun 9, 2008
PH 1925 Water Quality 1 of 1 result Jun 9, 2008 Jun 9, 2008
Alkalinity, Total 1927 Water Quality 1 of 1 result Jun 9, 2008 Jun 9, 2008
Iron, Field Result FEFD Inorganic Chemical 1 of 1 result Jun 9, 2008 Jun 9, 2008
Calculated Sodium NACA Water Quality 1 of 1 result Jun 9, 2008 Jun 9, 2008
PH, Field Result PHFD Water Quality 1 of 1 result Jun 9, 2008 Jun 9, 2008

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 31–40 of 819 samples, newest first — collected June 26, 2024 to June 27, 2024. The summary above covers all 819.

20 results from the 10 samples listed here: 11 detected, 9 not detected. Across the whole record it is 869 of 4,753. 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 10 sampling points 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 Barrontown W/A, every result from 31 to 40 of 819 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
Jun 27, 2024 06:10
Sampling point
LC0022 Location withheld
Sample type
Routine
Lab sample
PB-240709-068
Laboratory
MSDH Lab
0.411 mg/l , sample collected Jun 27, 2024 06:10, sampling point LC0022 Copper, Free 1022 EPA method 200.8 Jan 1, 2022 – Dec 31, 2024
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 27, 2024 06:10, sampling point LC0022 Lead 1030 EPA method 200.8 Jan 1, 2022 – Dec 31, 2024
Collected
Jun 27, 2024 06:00
Sampling point
LC0012 Location withheld
Sample type
Routine
Lab sample
PB-240709-067
Laboratory
MSDH Lab
0.0387 mg/l , sample collected Jun 27, 2024 06:00, sampling point LC0012 Copper, Free 1022 EPA method 200.8 Jan 1, 2022 – Dec 31, 2024
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 27, 2024 06:00, sampling point LC0012 Lead 1030 EPA method 200.8 Jan 1, 2022 – Dec 31, 2024
Collected
Jun 27, 2024 06:20
Sampling point
LC0030 Location withheld
Sample type
Routine
Lab sample
PB-240709-066
Laboratory
MSDH Lab
0.0045 mg/l , sample collected Jun 27, 2024 06:20, sampling point LC0030 Copper, Free 1022 EPA method 200.8 Jan 1, 2022 – Dec 31, 2024
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 27, 2024 06:20, sampling point LC0030 Lead 1030 EPA method 200.8 Jan 1, 2022 – Dec 31, 2024
Collected
Jun 26, 2024 06:20
Sampling point
LC0038 Location withheld
Sample type
Routine
Lab sample
PB-240709-060
Laboratory
MSDH Lab
0.436 mg/l , sample collected Jun 26, 2024 06:20, sampling point LC0038 Copper, Free 1022 EPA method 200.8 Jan 1, 2022 – Dec 31, 2024
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 26, 2024 06:20, sampling point LC0038 Lead 1030 EPA method 200.8 Jan 1, 2022 – Dec 31, 2024
Collected
Jun 26, 2024 06:00
Sampling point
LC0020 Location withheld
Sample type
Routine
Lab sample
PB-240709-059
Laboratory
MSDH Lab
0.321 mg/l , sample collected Jun 26, 2024 06:00, sampling point LC0020 Copper, Free 1022 EPA method 200.8 Jan 1, 2022 – Dec 31, 2024
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 26, 2024 06:00, sampling point LC0020 Lead 1030 EPA method 200.8 Jan 1, 2022 – Dec 31, 2024
Collected
Jun 26, 2024 04:45
Sampling point
LC0023 Location withheld
Sample type
Routine
Lab sample
PB-240709-058
Laboratory
MSDH Lab
0.452 mg/l , sample collected Jun 26, 2024 04:45, sampling point LC0023 Copper, Free 1022 EPA method 200.8 Jan 1, 2022 – Dec 31, 2024
1.6 ug/l , sample collected Jun 26, 2024 04:45, sampling point LC0023 Lead 1030 EPA method 200.8 Jan 1, 2022 – Dec 31, 2024
Collected
Jun 26, 2024 06:45
Sampling point
LC0036 Location withheld
Sample type
Routine
Lab sample
PB-240709-057
Laboratory
MSDH Lab
0.0229 mg/l , sample collected Jun 26, 2024 06:45, sampling point LC0036 Copper, Free 1022 EPA method 200.8 Jan 1, 2022 – Dec 31, 2024
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 26, 2024 06:45, sampling point LC0036 Lead 1030 EPA method 200.8 Jan 1, 2022 – Dec 31, 2024
Collected
Jun 26, 2024 06:00
Sampling point
LC0002 Location withheld
Sample type
Routine
Lab sample
PB-240709-056
Laboratory
MSDH Lab
0.0828 mg/l , sample collected Jun 26, 2024 06:00, sampling point LC0002 Copper, Free 1022 EPA method 200.8 Jan 1, 2022 – Dec 31, 2024
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 26, 2024 06:00, sampling point LC0002 Lead 1030 EPA method 200.8 Jan 1, 2022 – Dec 31, 2024
Collected
Jun 26, 2024 06:30
Sampling point
LC0029 Location withheld
Sample type
Routine
Lab sample
PB-240709-055
Laboratory
MSDH Lab
0.396 mg/l , sample collected Jun 26, 2024 06:30, sampling point LC0029 Copper, Free 1022 EPA method 200.8 Jan 1, 2022 – Dec 31, 2024
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 26, 2024 06:30, sampling point LC0029 Lead 1030 EPA method 200.8 Jan 1, 2022 – Dec 31, 2024
Collected
Jun 26, 2024 06:15
Sampling point
LC0042 Location withheld
Sample type
Routine
Lab sample
PB-240709-054
Laboratory
MSDH Lab
0.358 mg/l , sample collected Jun 26, 2024 06:15, sampling point LC0042 Copper, Free 1022 EPA method 200.8 Jan 1, 2022 – Dec 31, 2024
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 26, 2024 06:15, sampling point LC0042 Lead 1030 EPA method 200.8 Jan 1, 2022 – Dec 31, 2024

Routine (10).