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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

MS0020014 , Prentiss-Alcorn Water Assn

21 of the 57 analytes this system has been tested for have been detected at least once, across 251 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 251 samples on record, detections range from November 3, 1993 to August 12, 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 Prentiss-Alcorn Water Assn, 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 124 of 151 results Nov 3, 1993 Jun 12, 2025
Lead 1030 Inorganic Chemical 48 of 151 results Nov 3, 1993 Jun 12, 2025
TTHM 2950 Organic Chemical 12 of 20 results May 3, 2004 Aug 12, 2025
Barium 1010 Inorganic Chemical 11 of 11 results Jan 15, 2002 Jan 15, 2025
Nickel 1036 Inorganic Chemical 10 of 11 results Jan 15, 2002 Jan 15, 2025
Bromodichloromethane 2943 Organic Chemical 8 of 16 results May 13, 2019 Aug 12, 2025
Chloroform 2941 Organic Chemical 7 of 16 results Feb 21, 2024 Aug 12, 2025
Chromium 1020 Inorganic Chemical 7 of 11 results Jan 12, 2004 Jan 15, 2025
Fluoride 1025 Inorganic Chemical 5 of 11 results Jan 10, 2005 Jan 15, 2025
Gross Alpha, Incl. Radon & U 4002 Radionuclide 5 of 5 results Dec 5, 2011 Jul 10, 2012
Dibromochloromethane 2944 Organic Chemical 4 of 16 results May 13, 2019 Aug 12, 2025
Sodium 1052 Inorganic Chemical 3 of 3 results Sep 17, 2019 Oct 14, 2024
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 3 of 19 results Jun 27, 2007 Feb 26, 2024
Dichloroacetic Acid 2451 Organic Chemical 2 of 15 results Jul 5, 2011 May 6, 2024
Selenium 1045 Inorganic Chemical 2 of 11 results Jan 12, 2004 Jan 10, 2005
Sulfate 1055 Inorganic Chemical 2 of 2 results Jan 15, 2002 Jan 12, 2004
Nitrate-Nitrite 1038 Inorganic Chemical 1 of 23 results Feb 18, 2013 Feb 18, 2013
Nitrate 1040 Inorganic Chemical 1 of 23 results Feb 18, 2013 Feb 18, 2013
Arsenic 1005 Inorganic Chemical 1 of 11 results Apr 25, 2011 Apr 25, 2011
Xylenes, Total 2955 Organic Chemical 1 of 13 results Apr 5, 2004 Apr 5, 2004
Ethylbenzene 2992 Organic Chemical 1 of 13 results Apr 5, 2004 Apr 5, 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 1–10 of 251 samples, newest first — collected June 12, 2025 to February 3, 2026. The summary above covers all 251.

24 results from the 10 samples listed here: 14 detected, 10 not detected. Across the whole record it is 258 of 983. 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 9 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 Prentiss-Alcorn Water Assn, every result from 1 to 10 of 251 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 3, 2026 13:20
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
NI-260204-014
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Feb 3, 2026 13:20, sampling point TF080 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2026 – Dec 31, 2026
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Feb 3, 2026 13:20, sampling point TF080 Nitrate 1040 EPA method QC10107041C Jan 1, 2026 – Dec 31, 2026
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Feb 3, 2026 13:20, sampling point TF080 Nitrite 1041 EPA method QC10107041C Jan 1, 2026 – Dec 31, 2026
Collected
Aug 12, 2025 13:10
Sampling point
SM2 Location withheld
Sample type
Routine
Lab sample
810-159753-1
Laboratory
Eurofins Eaton Analytical South Bend in
0.94 ug/l , sample collected Aug 12, 2025 13:10, sampling point SM2 Chloroform 2941 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 12, 2025 13:10, sampling point SM2 Bromoform 2942 EPA method 524.2 Not recorded
0.91 ug/l , sample collected Aug 12, 2025 13:10, sampling point SM2 Bromodichloromethane 2943 EPA method 524.2 Not recorded
0.67 ug/l , sample collected Aug 12, 2025 13:10, sampling point SM2 Dibromochloromethane 2944 EPA method 524.2 Not recorded
2.52 ug/l , sample collected Aug 12, 2025 13:10, sampling point SM2 TTHM 2950 EPA method 524.2 Jan 1, 2025 – Dec 31, 2025
Collected
Jun 12, 2025 12:09
Sampling point
LC0004 Location withheld
Sample type
Routine
Lab sample
PB-250617-017
Laboratory
MSDH Lab
0.249 mg/l , sample collected Jun 12, 2025 12:09, sampling point LC0004 Copper, Free 1022 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
1.18 ug/l , sample collected Jun 12, 2025 12:09, sampling point LC0004 Lead 1030 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Jun 12, 2025 12:28
Sampling point
LC0005 Location withheld
Sample type
Routine
Lab sample
PB-250617-020
Laboratory
MSDH Lab
0.00766 mg/l , sample collected Jun 12, 2025 12:28, sampling point LC0005 Copper, Free 1022 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 12, 2025 12:28, sampling point LC0005 Lead 1030 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Jun 12, 2025 12:10
Sampling point
LC0006 Location withheld
Sample type
Routine
Lab sample
PB-250617-014
Laboratory
MSDH Lab
0.3 mg/l , sample collected Jun 12, 2025 12:10, sampling point LC0006 Copper, Free 1022 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 12, 2025 12:10, sampling point LC0006 Lead 1030 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Jun 12, 2025 12:12
Sampling point
LC0009 Location withheld
Sample type
Routine
Lab sample
PB-250617-016
Laboratory
MSDH Lab
0.309 mg/l , sample collected Jun 12, 2025 12:12, sampling point LC0009 Copper, Free 1022 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 12, 2025 12:12, sampling point LC0009 Lead 1030 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Jun 12, 2025 12:30
Sampling point
LC0011 Location withheld
Sample type
Routine
Lab sample
PB-250617-019
Laboratory
MSDH Lab
0.0471 mg/l , sample collected Jun 12, 2025 12:30, sampling point LC0011 Copper, Free 1022 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 12, 2025 12:30, sampling point LC0011 Lead 1030 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Jun 12, 2025 12:35
Sampling point
LC0012 Location withheld
Sample type
Routine
Lab sample
PB-250617-011
Laboratory
MSDH Lab
0.508 mg/l , sample collected Jun 12, 2025 12:35, sampling point LC0012 Copper, Free 1022 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.598 ug/l , sample collected Jun 12, 2025 12:35, sampling point LC0012 Lead 1030 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Jun 12, 2025 12:40
Sampling point
LC0014 Location withheld
Sample type
Routine
Lab sample
PB-250617-018
Laboratory
MSDH Lab
0.127 mg/l , sample collected Jun 12, 2025 12:40, sampling point LC0014 Copper, Free 1022 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 12, 2025 12:40, sampling point LC0014 Lead 1030 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Jun 12, 2025 12:45
Sampling point
LC0016 Location withheld
Sample type
Routine
Lab sample
PB-250617-015
Laboratory
MSDH Lab
0.163 mg/l , sample collected Jun 12, 2025 12:45, sampling point LC0016 Copper, Free 1022 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 12, 2025 12:45, sampling point LC0016 Lead 1030 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025

Routine (10).