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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 451–460 of 565 samples, newest first — collected April 22, 2009 to June 29, 2010. The summary above covers all 565.

25 results from the 10 samples listed here: 5 detected, 20 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.

Chemical and radiological sample results for M & M Water Association, every result from 451 to 460 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
Jun 29, 2010
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
100630-106PB
Laboratory
MSDH Lab
0.6773 mg/l , sample collected Jun 29, 2010, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
0.0005 mg/l , sample collected Jun 29, 2010, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
Collected
Jun 28, 2010
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
100630-113PB
Laboratory
MSDH Lab
0.6767 mg/l , sample collected Jun 28, 2010, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 28, 2010, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
Collected
Sep 23, 2009
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
090924-002TH
Laboratory
MSDH Lab
Not detected below 1 ug/l Minimum Reporting Level , sample collected Sep 23, 2009, sampling point MRT000 Chloroform 2941 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Sep 23, 2009, sampling point MRT000 Bromoform 2942 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Sep 23, 2009, sampling point MRT000 Bromodichloromethane 2943 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Sep 23, 2009, sampling point MRT000 Dibromochloromethane 2944 EPA method 524.2 Not recorded
0 This result is recorded as a detection, and the figure the agency wrote — "0.00" — is zero to the precision it was written to. Read the zero as "smaller than the written figure resolves", not as "none present". SDWIS holds a separate numeric concentration that Drinking Water Watch does not publish, so this endpoint does not carry it either; no more precise magnitude is available here. The agency recorded a value but no unit of measure for it. The unit is NOT inferable from the analyte: many analytes are reported in more than one unit — TTHM and HAA5 in both MG/L and UG/L — so there is no per-analyte default to fall back on. The number is published as it stands and must not be compared to a limit. The agency recorded which kind of limit this result was below, but stored 0.000000000 as the limit itself, which is not a level. The type is published and the value is null. What the limit was is not on record. Whether the result was a detection is a separate column: read resultType. , sample collected Sep 23, 2009, sampling point MRT000 TTHM 2950 EPA method 524.2 Jan 1, 2008 – Dec 31, 2010
Collected
Sep 23, 2009
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
090924-019HA
Laboratory
MSDH Lab
Not detected below 0.002 mg/l Minimum Reporting Level , sample collected Sep 23, 2009, sampling point MRT000 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Sep 23, 2009, sampling point MRT000 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Sep 23, 2009, sampling point MRT000 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Sep 23, 2009, sampling point MRT000 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Sep 23, 2009, sampling point MRT000 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
0 This result is recorded as a detection, and the figure the agency wrote — "0.00" — is zero to the precision it was written to. Read the zero as "smaller than the written figure resolves", not as "none present". SDWIS holds a separate numeric concentration that Drinking Water Watch does not publish, so this endpoint does not carry it either; no more precise magnitude is available here. The agency recorded a value but no unit of measure for it. The unit is NOT inferable from the analyte: many analytes are reported in more than one unit — TTHM and HAA5 in both MG/L and UG/L — so there is no per-analyte default to fall back on. The number is published as it stands and must not be compared to a limit. The agency recorded which kind of limit this result was below, but stored 0.000000000 as the limit itself, which is not a level. The type is published and the value is null. What the limit was is not on record. Whether the result was a detection is a separate column: read resultType. , sample collected Sep 23, 2009, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 Jan 1, 2008 – Dec 31, 2010
Collected
Sep 23, 2009
Sampling point
TF104 Treatment Plant T104
Sample type
Routine
Lab sample
090924-009CN
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Sep 23, 2009, sampling point TF104 Cyanide 1024 EPA method QC10204001X Jan 1, 2008 – Dec 31, 2010
Collected
Sep 23, 2009
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
090924-007CN
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Sep 23, 2009, sampling point TF103 Cyanide 1024 EPA method QC10204001X Jan 1, 2008 – Dec 31, 2010
Collected
Sep 23, 2009
Sampling point
TF105 Treatment Plant T105
Sample type
Routine
Lab sample
090924-005CN
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Sep 23, 2009, sampling point TF105 Cyanide 1024 EPA method QC10204001X Jan 1, 2008 – Dec 31, 2010
Collected
Sep 23, 2009
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
090924-004CN
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Sep 23, 2009, sampling point TF102 Cyanide 1024 EPA method QC10204001X Jan 1, 2008 – Dec 31, 2010
Collected
Apr 22, 2009
Sampling point
TF105 Treatment Plant T105
Sample type
Routine
Lab sample
090423-053NI
Laboratory
MSDH Lab
Not detected below 0.25 mg/l Minimum Reporting Level , sample collected Apr 22, 2009, sampling point TF105 Nitrate-Nitrite 1038 EPA method 353.2 Jan 1, 2009 – Dec 31, 2009
Not detected below 0.2 mg/l Minimum Reporting Level , sample collected Apr 22, 2009, sampling point TF105 Nitrate 1040 EPA method 353.2 Jan 1, 2009 – Dec 31, 2009
Not detected below 0.05 mg/l Minimum Reporting Level , sample collected Apr 22, 2009, sampling point TF105 Nitrite 1041 EPA method 353.2 Jan 1, 2009 – Dec 31, 2009
Collected
Apr 22, 2009
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
090423-051NI
Laboratory
MSDH Lab
Not detected below 0.25 mg/l Minimum Reporting Level , sample collected Apr 22, 2009, sampling point TF102 Nitrate-Nitrite 1038 EPA method 353.2 Jan 1, 2009 – Dec 31, 2009
Not detected below 0.2 mg/l Minimum Reporting Level , sample collected Apr 22, 2009, sampling point TF102 Nitrate 1040 EPA method 353.2 Jan 1, 2009 – Dec 31, 2009
Not detected below 0.05 mg/l Minimum Reporting Level , sample collected Apr 22, 2009, sampling point TF102 Nitrite 1041 EPA method 353.2 Jan 1, 2009 – Dec 31, 2009

Routine (10).