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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

MS0340010 , M & M Water Association

22 of the 58 analytes this system has been tested for have been detected at least once, across 565 samples on record.

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 565 samples on record, detections range from September 24, 2003 to December 15, 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 M & M Water Association, 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 140 of 140 results Aug 27, 2007 Sep 30, 2024
Lead 1030 Inorganic Chemical 125 of 140 results Aug 27, 2007 Sep 30, 2024
Barium 1010 Inorganic Chemical 46 of 46 results Sep 24, 2003 Mar 5, 2025
Fluoride 1025 Inorganic Chemical 34 of 46 results Sep 24, 2003 Mar 5, 2025
Gross Alpha Particle Activity 4109 Radionuclide 20 of 20 results Aug 29, 2011 Jan 16, 2013
Sodium 1052 Inorganic Chemical 15 of 15 results Sep 19, 2019 Mar 5, 2025
Xylenes, Total 2955 Organic Chemical 15 of 150 results Sep 11, 2013 Aug 9, 2017
Chromium 1020 Inorganic Chemical 11 of 46 results Sep 24, 2003 Mar 25, 2020
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 10 of 18 results Sep 23, 2009 Dec 15, 2025
TTHM 2950 Organic Chemical 10 of 19 results Jun 16, 2004 Dec 15, 2025
Sulfate 1055 Inorganic Chemical 8 of 8 results Sep 24, 2003 Feb 25, 2004
Chloroform 2941 Organic Chemical 6 of 14 results Aug 15, 2007 Dec 15, 2025
Bromodichloromethane 2943 Organic Chemical 6 of 14 results Aug 15, 2007 Dec 15, 2025
Trichloroacetic Acid 2452 Organic Chemical 5 of 14 results Sep 5, 2012 Dec 15, 2025
Ethylbenzene 2992 Organic Chemical 5 of 150 results Sep 11, 2013 Nov 3, 2015
Dichloroacetic Acid 2451 Organic Chemical 4 of 14 results Sep 5, 2012 Dec 15, 2025
Carbon Tetrachloride 2982 Organic Chemical 4 of 150 results Aug 9, 2017 Aug 9, 2017
Monobromoacetic Acid 2453 Organic Chemical 1 of 14 results Jun 15, 2020 Jun 15, 2020
Monochloroacetic Acid 2450 Organic Chemical 1 of 14 results Aug 14, 2018 Aug 14, 2018
Dibromochloromethane 2944 Organic Chemical 1 of 14 results Sep 5, 2012 Sep 5, 2012
Nickel 1036 Inorganic Chemical 1 of 46 results Mar 23, 2005 Mar 23, 2005
Dichloromethane 2964 Organic Chemical 1 of 150 results Aug 16, 2004 Aug 16, 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 101–110 of 565 samples, newest first — collected August 11, 2021 to August 11, 2021. The summary above covers all 565.

20 results from the 10 samples listed here: 20 detected, 0 not detected. Across the whole record it is 469 of 4,571. 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 M & M Water Association, every result from 101 to 110 of 565 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 11, 2021 06:30
Sampling point
LC0019 Location withheld
Sample type
Routine
Lab sample
PB-210812-023
Laboratory
MSDH Lab
0.0811 mg/l , sample collected Aug 11, 2021 06:30, sampling point LC0019 Copper, Free 1022 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021
3.3 ug/l , sample collected Aug 11, 2021 06:30, sampling point LC0019 Lead 1030 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021
Collected
Aug 11, 2021 06:00
Sampling point
LC0018 Location withheld
Sample type
Routine
Lab sample
PB-210812-022
Laboratory
MSDH Lab
0.0104 mg/l , sample collected Aug 11, 2021 06:00, sampling point LC0018 Copper, Free 1022 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021
0.9 ug/l , sample collected Aug 11, 2021 06:00, sampling point LC0018 Lead 1030 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021
Collected
Aug 11, 2021 06:00
Sampling point
LC0009 Location withheld
Sample type
Routine
Lab sample
PB-210812-021
Laboratory
MSDH Lab
0.202 mg/l , sample collected Aug 11, 2021 06:00, sampling point LC0009 Copper, Free 1022 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021
0.5 ug/l , sample collected Aug 11, 2021 06:00, sampling point LC0009 Lead 1030 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021
Collected
Aug 11, 2021 06:30
Sampling point
LC0004 Location withheld
Sample type
Routine
Lab sample
PB-210812-020
Laboratory
MSDH Lab
0.138 mg/l , sample collected Aug 11, 2021 06:30, sampling point LC0004 Copper, Free 1022 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021
3.1 ug/l , sample collected Aug 11, 2021 06:30, sampling point LC0004 Lead 1030 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021
Collected
Aug 11, 2021 12:00
Sampling point
LC0003 Location withheld
Sample type
Routine
Lab sample
PB-210812-019
Laboratory
MSDH Lab
0.0158 mg/l , sample collected Aug 11, 2021 12:00, sampling point LC0003 Copper, Free 1022 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021
5.3 ug/l , sample collected Aug 11, 2021 12:00, sampling point LC0003 Lead 1030 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021
Collected
Aug 11, 2021 06:00
Sampling point
LC0013 Location withheld
Sample type
Routine
Lab sample
PB-210812-018
Laboratory
MSDH Lab
0.669 mg/l , sample collected Aug 11, 2021 06:00, sampling point LC0013 Copper, Free 1022 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021
1.1 ug/l , sample collected Aug 11, 2021 06:00, sampling point LC0013 Lead 1030 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021
Collected
Aug 11, 2021 05:30
Sampling point
LC0014 Location withheld
Sample type
Routine
Lab sample
PB-210812-017
Laboratory
MSDH Lab
0.0224 mg/l , sample collected Aug 11, 2021 05:30, sampling point LC0014 Copper, Free 1022 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021
1.7 ug/l , sample collected Aug 11, 2021 05:30, sampling point LC0014 Lead 1030 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021
Collected
Aug 11, 2021 12:00
Sampling point
LC0002 Location withheld
Sample type
Routine
Lab sample
PB-210812-016
Laboratory
MSDH Lab
0.0221 mg/l , sample collected Aug 11, 2021 12:00, sampling point LC0002 Copper, Free 1022 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021
1.4 ug/l , sample collected Aug 11, 2021 12:00, sampling point LC0002 Lead 1030 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021
Collected
Aug 11, 2021 07:30
Sampling point
LC0001 Location withheld
Sample type
Routine
Lab sample
PB-210812-015
Laboratory
MSDH Lab
0.45 mg/l , sample collected Aug 11, 2021 07:30, sampling point LC0001 Copper, Free 1022 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021
3.5 ug/l , sample collected Aug 11, 2021 07:30, sampling point LC0001 Lead 1030 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021
Collected
Aug 11, 2021 06:00
Sampling point
LC0011 Location withheld
Sample type
Routine
Lab sample
PB-210812-014
Laboratory
MSDH Lab
0.289 mg/l , sample collected Aug 11, 2021 06:00, sampling point LC0011 Copper, Free 1022 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021
0.6 ug/l , sample collected Aug 11, 2021 06:00, sampling point LC0011 Lead 1030 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021

Routine (10).