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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

MS0320003 , McNair-Stampley W/A #1

15 of the 57 analytes this system has been tested for have been detected at least once, across 143 samples on record.

The other 42 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 143 samples on record, detections range from September 24, 2003 to June 29, 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 McNair-Stampley W/A #1, 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 53 of 53 results Aug 6, 2008 Aug 31, 2023
Lead 1030 Inorganic Chemical 48 of 53 results Aug 6, 2008 Aug 31, 2023
Barium 1010 Inorganic Chemical 10 of 10 results Sep 24, 2003 Mar 5, 2025
TTHM 2950 Organic Chemical 7 of 20 results Sep 4, 2007 Jun 29, 2026
Chromium 1020 Inorganic Chemical 5 of 10 results Sep 24, 2003 Apr 6, 2015
Gross Alpha, Incl. Radon & U 4002 Radionuclide 5 of 5 results Dec 13, 2011 Jul 20, 2012
Bromodichloromethane 2943 Organic Chemical 4 of 15 results Dec 31, 2025 Jun 29, 2026
Dibromochloromethane 2944 Organic Chemical 4 of 15 results Dec 31, 2025 Jun 29, 2026
Fluoride 1025 Inorganic Chemical 4 of 11 results Feb 25, 2004 Mar 5, 2025
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 4 of 19 results Sep 27, 2007 May 10, 2023
Nickel 1036 Inorganic Chemical 4 of 10 results Sep 24, 2003 May 18, 2022
Chloroform 2941 Organic Chemical 3 of 15 results Oct 8, 2008 Jun 29, 2026
Sodium 1052 Inorganic Chemical 2 of 2 results Feb 9, 2022 Feb 5, 2025
Sulfate 1055 Inorganic Chemical 2 of 2 results Sep 24, 2003 Feb 25, 2004
Bromoform 2942 Organic Chemical 1 of 15 results Dec 31, 2025 Dec 31, 2025

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 51–60 of 143 samples, newest first — collected February 22, 2017 to June 20, 2017. The summary above covers all 143.

21 results from the 10 samples listed here: 16 detected, 5 not detected. Across the whole record it is 156 of 631. 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 McNair-Stampley W/A #1, every result from 51 to 60 of 143 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 20, 2017 10:40
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
170622-007PB
Laboratory
MSDH Lab
0.2337 mg/l , sample collected Jun 20, 2017 10:40, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
0.0011 mg/l , sample collected Jun 20, 2017 10:40, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Collected
Jun 20, 2017
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
170622-006PB
Laboratory
MSDH Lab
0.0487 mg/l , sample collected Jun 20, 2017, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 20, 2017, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Collected
Jun 19, 2017 02:02
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
170622-015PB
Laboratory
MSDH Lab
0.0781 mg/l , sample collected Jun 19, 2017 02:02, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 19, 2017 02:02, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Collected
Jun 19, 2017
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
170622-013PB
Laboratory
MSDH Lab
0.0221 mg/l , sample collected Jun 19, 2017, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
0.0008 mg/l , sample collected Jun 19, 2017, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Collected
Jun 19, 2017 02:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
170622-012PB
Laboratory
MSDH Lab
0.08 mg/l , sample collected Jun 19, 2017 02:30, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
0.0007 mg/l , sample collected Jun 19, 2017 02:30, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Collected
Jun 19, 2017 09:48
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
170622-009PB
Laboratory
MSDH Lab
0.3451 mg/l , sample collected Jun 19, 2017 09:48, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
0.0063 mg/l , sample collected Jun 19, 2017 09:48, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Collected
Jun 19, 2017 08:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
170622-008PB
Laboratory
MSDH Lab
0.1219 mg/l , sample collected Jun 19, 2017 08:30, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
0.0022 mg/l , sample collected Jun 19, 2017 08:30, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Collected
Jun 19, 2017 11:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
170622-004PB
Laboratory
MSDH Lab
0.1031 mg/l , sample collected Jun 19, 2017 11:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
0.0007 mg/l , sample collected Jun 19, 2017 11:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Collected
Jun 19, 2017 11:15
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
170622-003PB
Laboratory
MSDH Lab
0.1947 mg/l , sample collected Jun 19, 2017 11:15, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
0.0011 mg/l , sample collected Jun 19, 2017 11:15, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Collected
Feb 22, 2017 13:40
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
170223-108NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Feb 22, 2017 13:40, sampling point TF101 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2017 – Dec 31, 2017
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Feb 22, 2017 13:40, sampling point TF101 Nitrate 1040 EPA method QC10107041C Jan 1, 2017 – Dec 31, 2017
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Feb 22, 2017 13:40, sampling point TF101 Nitrite 1041 EPA method QC10107041C Jan 1, 2017 – Dec 31, 2017

Routine (10).