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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; the list of samples further down is narrowed.

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

Showing samples collected between September 25, 2024 and September 25, 2026. That is this page’s default, not a limit on what the agency records.

Show every sample on record

Choose a date range

The most recent samples, result by result

The table below lists 1–10 of 48 samples, newest first — collected October 1, 2025 to March 25, 2026. The summary above covers all 48.

70 results from the 10 samples listed here: 20 detected, 50 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 1 sampling point 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 1 to 10 of 48 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
Mar 25, 2026 12:30
Sampling point
SM2 #80 Old Hwy 84 East
Sample type
Routine
Lab sample
810-185583-2
Laboratory
Eurofins Eaton Analytical South Bend in
Not detected below 2 ug/l Minimum Reporting Level , sample collected Mar 25, 2026 12:30, sampling point SM2 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Mar 25, 2026 12:30, sampling point SM2 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Mar 25, 2026 12:30, sampling point SM2 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Mar 25, 2026 12:30, sampling point SM2 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Mar 25, 2026 12:30, sampling point SM2 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
Not detected below 2 ug/l Minimum Reporting Level , sample collected Mar 25, 2026 12:30, sampling point SM2 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Jan 1, 2026 – Mar 31, 2026
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 25, 2026 12:30, sampling point SM2 Chloroform 2941 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 25, 2026 12:30, sampling point SM2 Bromoform 2942 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 25, 2026 12:30, sampling point SM2 Bromodichloromethane 2943 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 25, 2026 12:30, sampling point SM2 Dibromochloromethane 2944 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 25, 2026 12:30, sampling point SM2 TTHM 2950 EPA method 524.2 Jan 1, 2026 – Mar 31, 2026
Collected
Mar 25, 2026 12:00
Sampling point
SM1 Location withheld
Sample type
Routine
Lab sample
810-185583-1
Laboratory
Eurofins Eaton Analytical South Bend in
Not detected below 2 ug/l Minimum Reporting Level , sample collected Mar 25, 2026 12:00, sampling point SM1 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Mar 25, 2026 12:00, sampling point SM1 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Mar 25, 2026 12:00, sampling point SM1 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Mar 25, 2026 12:00, sampling point SM1 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Mar 25, 2026 12:00, sampling point SM1 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
Not detected below 2 ug/l Minimum Reporting Level , sample collected Mar 25, 2026 12:00, sampling point SM1 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Jan 1, 2026 – Mar 31, 2026
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 25, 2026 12:00, sampling point SM1 Chloroform 2941 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 25, 2026 12:00, sampling point SM1 Bromoform 2942 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 25, 2026 12:00, sampling point SM1 Bromodichloromethane 2943 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 25, 2026 12:00, sampling point SM1 Dibromochloromethane 2944 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 25, 2026 12:00, sampling point SM1 TTHM 2950 EPA method 524.2 Jan 1, 2026 – Mar 31, 2026
Collected
Dec 15, 2025 12:15
Sampling point
SM2 #80 Old Hwy 84 East
Sample type
Routine
Lab sample
810-175542-2
Laboratory
Eurofins Eaton Analytical South Bend in
Not detected below 2 ug/l Minimum Reporting Level , sample collected Dec 15, 2025 12:15, sampling point SM2 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
1.1 ug/l , sample collected Dec 15, 2025 12:15, sampling point SM2 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
1.5 ug/l , sample collected Dec 15, 2025 12:15, sampling point SM2 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Dec 15, 2025 12:15, sampling point SM2 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Dec 15, 2025 12:15, sampling point SM2 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
2.6 ug/l , sample collected Dec 15, 2025 12:15, sampling point SM2 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Oct 1, 2025 – Dec 31, 2025
1.8 ug/l , sample collected Dec 15, 2025 12:15, sampling point SM2 Chloroform 2941 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Dec 15, 2025 12:15, sampling point SM2 Bromoform 2942 EPA method 524.2 Not recorded
0.91 ug/l , sample collected Dec 15, 2025 12:15, sampling point SM2 Bromodichloromethane 2943 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Dec 15, 2025 12:15, sampling point SM2 Dibromochloromethane 2944 EPA method 524.2 Not recorded
2.71 ug/l , sample collected Dec 15, 2025 12:15, sampling point SM2 TTHM 2950 EPA method 524.2 Oct 1, 2025 – Dec 31, 2025
Collected
Dec 15, 2025 12:00
Sampling point
SM1 Location withheld
Sample type
Routine
Lab sample
810-175542-1
Laboratory
Eurofins Eaton Analytical South Bend in
Not detected below 2 ug/l Minimum Reporting Level , sample collected Dec 15, 2025 12:00, sampling point SM1 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
1.1 ug/l , sample collected Dec 15, 2025 12:00, sampling point SM1 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
1.6 ug/l , sample collected Dec 15, 2025 12:00, sampling point SM1 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Dec 15, 2025 12:00, sampling point SM1 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Dec 15, 2025 12:00, sampling point SM1 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
2.7 ug/l , sample collected Dec 15, 2025 12:00, sampling point SM1 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Oct 1, 2025 – Dec 31, 2025
1.8 ug/l , sample collected Dec 15, 2025 12:00, sampling point SM1 Chloroform 2941 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Dec 15, 2025 12:00, sampling point SM1 Bromoform 2942 EPA method 524.2 Not recorded
0.88 ug/l , sample collected Dec 15, 2025 12:00, sampling point SM1 Bromodichloromethane 2943 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Dec 15, 2025 12:00, sampling point SM1 Dibromochloromethane 2944 EPA method 524.2 Not recorded
2.68 ug/l , sample collected Dec 15, 2025 12:00, sampling point SM1 TTHM 2950 EPA method 524.2 Oct 1, 2025 – Dec 31, 2025
Collected
Dec 15, 2025 11:15
Sampling point
SM2 #80 Old Hwy 84 East
Sample type
Routine
Lab sample
810-175494-2
Laboratory
Eurofins Eaton Analytical South Bend in
Not detected below 2 ug/l Minimum Reporting Level , sample collected Dec 15, 2025 11:15, sampling point SM2 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Dec 15, 2025 11:15, sampling point SM2 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
1.3 ug/l , sample collected Dec 15, 2025 11:15, sampling point SM2 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Dec 15, 2025 11:15, sampling point SM2 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Dec 15, 2025 11:15, sampling point SM2 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
Not detected below 2 ug/l Minimum Reporting Level , sample collected Dec 15, 2025 11:15, sampling point SM2 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Oct 1, 2025 – Dec 31, 2025
1.3 ug/l , sample collected Dec 15, 2025 11:15, sampling point SM2 Chloroform 2941 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Dec 15, 2025 11:15, sampling point SM2 Bromoform 2942 EPA method 524.2 Not recorded
0.59 ug/l , sample collected Dec 15, 2025 11:15, sampling point SM2 Bromodichloromethane 2943 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Dec 15, 2025 11:15, sampling point SM2 Dibromochloromethane 2944 EPA method 524.2 Not recorded
1.89 ug/l , sample collected Dec 15, 2025 11:15, sampling point SM2 TTHM 2950 EPA method 524.2 Oct 1, 2025 – Dec 31, 2025
Collected
Dec 15, 2025 11:00
Sampling point
SM1 Location withheld
Sample type
Routine
Lab sample
810-175494-1
Laboratory
Eurofins Eaton Analytical South Bend in
Not detected below 2 ug/l Minimum Reporting Level , sample collected Dec 15, 2025 11:00, sampling point SM1 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Dec 15, 2025 11:00, sampling point SM1 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
1.1 ug/l , sample collected Dec 15, 2025 11:00, sampling point SM1 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Dec 15, 2025 11:00, sampling point SM1 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Dec 15, 2025 11:00, sampling point SM1 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
Not detected below 2 ug/l Minimum Reporting Level , sample collected Dec 15, 2025 11:00, sampling point SM1 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Oct 1, 2025 – Dec 31, 2025
1.2 ug/l , sample collected Dec 15, 2025 11:00, sampling point SM1 Chloroform 2941 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Dec 15, 2025 11:00, sampling point SM1 Bromoform 2942 EPA method 524.2 Not recorded
0.62 ug/l , sample collected Dec 15, 2025 11:00, sampling point SM1 Bromodichloromethane 2943 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Dec 15, 2025 11:00, sampling point SM1 Dibromochloromethane 2944 EPA method 524.2 Not recorded
1.82 ug/l , sample collected Dec 15, 2025 11:00, sampling point SM1 TTHM 2950 EPA method 524.2 Oct 1, 2025 – Dec 31, 2025
Collected
Oct 1, 2025 02:40
Sampling point
TF105 Treatment Plant T105
Sample type
Routine
Lab sample
CN-251002-012
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Oct 1, 2025 02:40, sampling point TF105 Cyanide 1024 EPA method QC10204001X Jan 1, 2023 – Dec 31, 2025
Collected
Oct 1, 2025 14:20
Sampling point
TF104 Treatment Plant T104
Sample type
Routine
Lab sample
CN-251002-014
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Oct 1, 2025 14:20, sampling point TF104 Cyanide 1024 EPA method QC10204001X Jan 1, 2023 – Dec 31, 2025
Collected
Oct 1, 2025 13:50
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
CN-251002-011
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Oct 1, 2025 13:50, sampling point TF103 Cyanide 1024 EPA method QC10204001X Jan 1, 2023 – Dec 31, 2025
Collected
Oct 1, 2025 13:30
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
CN-251002-013
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Oct 1, 2025 13:30, sampling point TF102 Cyanide 1024 EPA method QC10204001X Jan 1, 2023 – Dec 31, 2025

Routine (10).