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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

MS0320015 , McNair-Stampley W/A #3

26 of the 55 analytes this system has been tested for have been detected at least once, across 159 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 159 samples on record, detections range from August 24, 2015 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 #3, 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 65 of 65 results Oct 26, 2015 Sep 30, 2025
Lead 1030 Inorganic Chemical 35 of 65 results Oct 26, 2015 Sep 30, 2025
TTHM 2950 Organic Chemical 17 of 23 results Sep 9, 2015 Jun 29, 2026
Bromodichloromethane 2943 Organic Chemical 12 of 17 results Sep 9, 2015 Jun 29, 2026
Dibromochloromethane 2944 Organic Chemical 12 of 17 results Sep 9, 2015 Jun 29, 2026
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 11 of 23 results Sep 9, 2015 May 19, 2025
Chloroform 2941 Organic Chemical 10 of 17 results Sep 9, 2015 Jun 29, 2026
Dichloroacetic Acid 2451 Organic Chemical 7 of 17 results Sep 9, 2015 Nov 19, 2024
Xylenes, Total 2955 Organic Chemical 6 of 26 results Aug 24, 2015 Feb 25, 2020
Trichloroacetic Acid 2452 Organic Chemical 4 of 17 results Sep 9, 2015 Nov 19, 2024
Barium 1010 Inorganic Chemical 4 of 4 results May 8, 2017 Feb 26, 2024
Fluoride 1025 Inorganic Chemical 4 of 4 results May 8, 2017 Feb 26, 2024
Nickel 1036 Inorganic Chemical 4 of 4 results May 8, 2017 Feb 26, 2024
Bromoform 2942 Organic Chemical 3 of 17 results Nov 19, 2024 Dec 31, 2025
Gross Alpha, Incl. Radon & U 4002 Radionuclide 3 of 3 results Sep 25, 2015 Apr 18, 2016
Sodium 1052 Inorganic Chemical 2 of 2 results Feb 9, 2022 Feb 5, 2025
Nitrate-Nitrite 1038 Inorganic Chemical 2 of 11 results Feb 20, 2018 Feb 28, 2023
Nitrate 1040 Inorganic Chemical 2 of 11 results Feb 20, 2018 Feb 28, 2023
Chromium 1020 Inorganic Chemical 2 of 4 results May 8, 2017 Mar 25, 2020
Dibromoacetic Acid 2454 Organic Chemical 2 of 17 results Sep 9, 2015 Jun 25, 2018
Combined Radium (-226 & -228) 4010 Radionuclide 2 of 3 results Sep 25, 2015 Dec 30, 2015
Monochloroacetic Acid 2450 Organic Chemical 1 of 17 results Jun 25, 2018 Jun 25, 2018
Monobromoacetic Acid 2453 Organic Chemical 1 of 17 results Jun 25, 2018 Jun 25, 2018
Selenium 1045 Inorganic Chemical 1 of 4 results May 8, 2017 May 8, 2017
Radium-228 4030 Radionuclide 1 of 3 results Dec 30, 2015 Dec 30, 2015
Radium-226 4020 Radionuclide 1 of 3 results Sep 25, 2015 Sep 25, 2015

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 111–120 of 159 samples, newest first — collected March 6, 2017 to August 1, 2017. The summary above covers all 159.

66 results from the 10 samples listed here: 16 detected, 50 not detected. Across the whole record it is 214 of 978. 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 #3, every result from 111 to 120 of 159 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
Aug 1, 2017 11:00
Sampling point
DS000 Generated by Batch
Sample type
Routine
Lab sample
170804-041PB
Laboratory
MSDH Lab
0.104 mg/l , sample collected Aug 1, 2017 11:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2017 – Dec 31, 2017
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Aug 1, 2017 11:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2017 – Dec 31, 2017
Collected
May 22, 2017 02:10
Sampling point
TF080 Sunnyside Rd Plant
Sample type
Routine
Lab sample
170523-016VO
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 22, 2017 02:10, sampling point TF080 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Apr 1, 2017 – Jun 30, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 22, 2017 02:10, sampling point TF080 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Apr 1, 2017 – Jun 30, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 22, 2017 02:10, sampling point TF080 Xylenes, Total 2955 EPA method 524.2 Apr 1, 2017 – Jun 30, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 22, 2017 02:10, sampling point TF080 Dichloromethane 2964 EPA method 524.2 Apr 1, 2017 – Jun 30, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 22, 2017 02:10, sampling point TF080 O-Dichlorobenzene 2968 EPA method 524.2 Apr 1, 2017 – Jun 30, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 22, 2017 02:10, sampling point TF080 P-Dichlorobenzene 2969 EPA method 524.2 Apr 1, 2017 – Jun 30, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 22, 2017 02:10, sampling point TF080 Vinyl Chloride 2976 EPA method 524.2 Apr 1, 2017 – Jun 30, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 22, 2017 02:10, sampling point TF080 1,1-Dichloroethylene 2977 EPA method 524.2 Apr 1, 2017 – Jun 30, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 22, 2017 02:10, sampling point TF080 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Apr 1, 2017 – Jun 30, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 22, 2017 02:10, sampling point TF080 1,2-Dichloroethane 2980 EPA method 524.2 Apr 1, 2017 – Jun 30, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 22, 2017 02:10, sampling point TF080 1,1,1-Trichloroethane 2981 EPA method 524.2 Apr 1, 2017 – Jun 30, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 22, 2017 02:10, sampling point TF080 Carbon Tetrachloride 2982 EPA method 524.2 Apr 1, 2017 – Jun 30, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 22, 2017 02:10, sampling point TF080 1,2-Dichloropropane 2983 EPA method 524.2 Apr 1, 2017 – Jun 30, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 22, 2017 02:10, sampling point TF080 Trichloroethylene 2984 EPA method 524.2 Apr 1, 2017 – Jun 30, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 22, 2017 02:10, sampling point TF080 1,1,2-Trichloroethane 2985 EPA method 524.2 Apr 1, 2017 – Jun 30, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 22, 2017 02:10, sampling point TF080 Tetrachloroethylene 2987 EPA method 524.2 Apr 1, 2017 – Jun 30, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 22, 2017 02:10, sampling point TF080 Chlorobenzene 2989 EPA method 524.2 Apr 1, 2017 – Jun 30, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 22, 2017 02:10, sampling point TF080 Benzene 2990 EPA method 524.2 Apr 1, 2017 – Jun 30, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 22, 2017 02:10, sampling point TF080 Toluene 2991 EPA method 524.2 Apr 1, 2017 – Jun 30, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 22, 2017 02:10, sampling point TF080 Ethylbenzene 2992 EPA method 524.2 Apr 1, 2017 – Jun 30, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 22, 2017 02:10, sampling point TF080 Styrene 2996 EPA method 524.2 Apr 1, 2017 – Jun 30, 2017
Collected
May 8, 2017 15:30
Sampling point
TF080 Sunnyside Rd Plant
Sample type
Routine
Lab sample
170509-001RU
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 8, 2017 15:30, sampling point TF080 Combined Uranium 4006 EPA method 200.8 Jan 1, 2016 – Dec 31, 2024
Collected
May 8, 2017 03:00
Sampling point
TF080 Sunnyside Rd Plant
Sample type
Routine
Lab sample
170509-040IN
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 8, 2017 03:00, sampling point TF080 Arsenic 1005 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
0.1687 mg/l , sample collected May 8, 2017 03:00, sampling point TF080 Barium 1010 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 8, 2017 03:00, sampling point TF080 Cadmium 1015 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
0.005 mg/l , sample collected May 8, 2017 03:00, sampling point TF080 Chromium 1020 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
0.134 mg/l , sample collected May 8, 2017 03:00, sampling point TF080 Fluoride 1025 EPA method 300.0 Jan 1, 2015 – Dec 31, 2017
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 8, 2017 03:00, sampling point TF080 Mercury 1035 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
0.0041 mg/l , sample collected May 8, 2017 03:00, sampling point TF080 Nickel 1036 EPA method 200.8 Not recorded
0.0006 mg/l , sample collected May 8, 2017 03:00, sampling point TF080 Selenium 1045 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 8, 2017 03:00, sampling point TF080 Antimony, Total 1074 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 8, 2017 03:00, sampling point TF080 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 8, 2017 03:00, sampling point TF080 Thallium, Total 1085 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Collected
Apr 26, 2017
Sampling point
DS000 Generated by Batch
Sample type
Routine
Lab sample
170427-035PB
Laboratory
MSDH Lab
0.0561 mg/l , sample collected Apr 26, 2017, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2017 – Dec 31, 2017
0.0006 mg/l , sample collected Apr 26, 2017, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2017 – Dec 31, 2017
Collected
Apr 26, 2017
Sampling point
DS000 Generated by Batch
Sample type
Routine
Lab sample
170427-034PB
Laboratory
MSDH Lab
0.1869 mg/l , sample collected Apr 26, 2017, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2017 – Dec 31, 2017
0.001 mg/l , sample collected Apr 26, 2017, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2017 – Dec 31, 2017
Collected
Apr 26, 2017 02:26
Sampling point
DS000 Generated by Batch
Sample type
Routine
Lab sample
170427-033PB
Laboratory
MSDH Lab
0.1349 mg/l , sample collected Apr 26, 2017 02:26, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2017 – Dec 31, 2017
0.0005 mg/l , sample collected Apr 26, 2017 02:26, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2017 – Dec 31, 2017
Collected
Apr 25, 2017 14:00
Sampling point
DS000 Generated by Batch
Sample type
Routine
Lab sample
170427-036PB
Laboratory
MSDH Lab
0.0717 mg/l , sample collected Apr 25, 2017 14:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2017 – Dec 31, 2017
0.0021 mg/l , sample collected Apr 25, 2017 14:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2017 – Dec 31, 2017
Collected
Apr 25, 2017 10:24
Sampling point
DS000 Generated by Batch
Sample type
Routine
Lab sample
170427-032PB
Laboratory
MSDH Lab
0.3865 mg/l , sample collected Apr 25, 2017 10:24, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2017 – Dec 31, 2017
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 25, 2017 10:24, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2017 – Dec 31, 2017
Collected
Mar 6, 2017 02:00
Sampling point
TF080 Sunnyside Rd Plant
Sample type
Routine
Lab sample
170307-014VO
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 6, 2017 02:00, sampling point TF080 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Jan 1, 2017 – Mar 31, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 6, 2017 02:00, sampling point TF080 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Jan 1, 2017 – Mar 31, 2017
0.901 ug/l , sample collected Mar 6, 2017 02:00, sampling point TF080 Xylenes, Total 2955 EPA method 524.2 Jan 1, 2017 – Mar 31, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 6, 2017 02:00, sampling point TF080 Dichloromethane 2964 EPA method 524.2 Jan 1, 2017 – Mar 31, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 6, 2017 02:00, sampling point TF080 O-Dichlorobenzene 2968 EPA method 524.2 Jan 1, 2017 – Mar 31, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 6, 2017 02:00, sampling point TF080 P-Dichlorobenzene 2969 EPA method 524.2 Jan 1, 2017 – Mar 31, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 6, 2017 02:00, sampling point TF080 Vinyl Chloride 2976 EPA method 524.2 Jan 1, 2017 – Mar 31, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 6, 2017 02:00, sampling point TF080 1,1-Dichloroethylene 2977 EPA method 524.2 Jan 1, 2017 – Mar 31, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 6, 2017 02:00, sampling point TF080 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Jan 1, 2017 – Mar 31, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 6, 2017 02:00, sampling point TF080 1,2-Dichloroethane 2980 EPA method 524.2 Jan 1, 2017 – Mar 31, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 6, 2017 02:00, sampling point TF080 1,1,1-Trichloroethane 2981 EPA method 524.2 Jan 1, 2017 – Mar 31, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 6, 2017 02:00, sampling point TF080 Carbon Tetrachloride 2982 EPA method 524.2 Jan 1, 2017 – Mar 31, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 6, 2017 02:00, sampling point TF080 1,2-Dichloropropane 2983 EPA method 524.2 Jan 1, 2017 – Mar 31, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 6, 2017 02:00, sampling point TF080 Trichloroethylene 2984 EPA method 524.2 Jan 1, 2017 – Mar 31, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 6, 2017 02:00, sampling point TF080 1,1,2-Trichloroethane 2985 EPA method 524.2 Jan 1, 2017 – Mar 31, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 6, 2017 02:00, sampling point TF080 Tetrachloroethylene 2987 EPA method 524.2 Jan 1, 2017 – Mar 31, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 6, 2017 02:00, sampling point TF080 Chlorobenzene 2989 EPA method 524.2 Jan 1, 2017 – Mar 31, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 6, 2017 02:00, sampling point TF080 Benzene 2990 EPA method 524.2 Jan 1, 2017 – Mar 31, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 6, 2017 02:00, sampling point TF080 Toluene 2991 EPA method 524.2 Jan 1, 2017 – Mar 31, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 6, 2017 02:00, sampling point TF080 Ethylbenzene 2992 EPA method 524.2 Jan 1, 2017 – Mar 31, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 6, 2017 02:00, sampling point TF080 Styrene 2996 EPA method 524.2 Jan 1, 2017 – Mar 31, 2017

Routine (10).