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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

MS0080005 , McCarley Water Association, Inc

28 of the 57 analytes this system has been tested for have been detected at least once, across 268 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 268 samples on record, detections range from August 17, 1993 to April 21, 2026. 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 McCarley Water Association, Inc, 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 94 of 105 results Aug 17, 1993 Sep 17, 2025
Lead 1030 Inorganic Chemical 67 of 105 results Aug 17, 1993 Sep 17, 2025
TTHM 2950 Organic Chemical 20 of 21 results May 26, 2004 Apr 21, 2026
Barium 1010 Inorganic Chemical 20 of 20 results Jun 25, 2002 Feb 5, 2024
Chloroform 2941 Organic Chemical 16 of 16 results Jul 10, 2007 Apr 21, 2026
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 14 of 22 results Jul 10, 2007 Apr 21, 2026
Bromodichloromethane 2943 Organic Chemical 12 of 16 results Aug 11, 2014 Apr 21, 2026
Dibromochloromethane 2944 Organic Chemical 12 of 16 results Aug 11, 2014 Apr 21, 2026
Trichloroacetic Acid 2452 Organic Chemical 11 of 16 results Aug 11, 2014 Apr 21, 2026
Dichloroacetic Acid 2451 Organic Chemical 10 of 16 results Aug 13, 2008 Apr 21, 2026
Chromium 1020 Inorganic Chemical 10 of 20 results Jun 25, 2002 Feb 5, 2024
Gross Alpha, Incl. Radon & U 4002 Radionuclide 10 of 10 results Dec 8, 2011 Jul 13, 2012
Fluoride 1025 Inorganic Chemical 9 of 20 results Jan 12, 2004 Jan 8, 2024
Sodium 1052 Inorganic Chemical 6 of 6 results Sep 16, 2019 Oct 15, 2024
Combined Radium (-226 & -228) 4010 Radionuclide 5 of 10 results Dec 8, 2011 Jul 13, 2012
Radium-228 4030 Radionuclide 5 of 10 results Dec 8, 2011 Jul 13, 2012
Nickel 1036 Inorganic Chemical 4 of 20 results Dec 3, 2007 Apr 21, 2014
Arsenic 1005 Inorganic Chemical 3 of 20 results May 16, 2017 Apr 1, 2020
Selenium 1045 Inorganic Chemical 3 of 20 results Mar 2, 2005 Mar 10, 2008
Nitrate-Nitrite 1038 Inorganic Chemical 2 of 44 results Jul 20, 2005 Jun 5, 2006
Nitrate 1040 Inorganic Chemical 2 of 44 results Jul 20, 2005 Jun 5, 2006
Nitrite 1041 Inorganic Chemical 2 of 44 results Jul 20, 2005 Jun 5, 2006
Cadmium 1015 Inorganic Chemical 2 of 20 results Mar 2, 2005 Mar 2, 2005
Sulfate 1055 Inorganic Chemical 2 of 2 results Jun 25, 2002 Jan 12, 2004
Monochloroacetic Acid 2450 Organic Chemical 1 of 16 results Jul 13, 2020 Jul 13, 2020
Xylenes, Total 2955 Organic Chemical 1 of 24 results Apr 11, 2017 Apr 11, 2017
Ethylbenzene 2992 Organic Chemical 1 of 24 results Apr 11, 2017 Apr 11, 2017
Dibromoacetic Acid 2454 Organic Chemical 1 of 16 results Aug 11, 2014 Aug 11, 2014

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

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The most recent samples, result by result

The table below lists 11–19 of 19 samples, newest first — collected October 15, 2024 to September 17, 2025. The summary above covers all 19.

24 results from the 9 samples listed here: 7 detected, 17 not detected. 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 McCarley Water Association, Inc, every result from 11 to 19 of 19 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
Sep 17, 2025 04:40
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
PB-250919-010
Laboratory
MSDH Lab
0.0044 mg/l , sample collected Sep 17, 2025 04:40, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 17, 2025 04:40, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
May 13, 2025 14:10
Sampling point
SM3 Location withheld
Sample type
Routine
Lab sample
810-148470-1
Laboratory
Eurofins Eaton Analytical South Bend in
Not detected below 2 ug/l Minimum Reporting Level , sample collected May 13, 2025 14:10, sampling point SM3 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected May 13, 2025 14:10, sampling point SM3 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected May 13, 2025 14:10, sampling point SM3 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected May 13, 2025 14:10, sampling point SM3 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected May 13, 2025 14:10, sampling point SM3 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
Not detected below 2 ug/l Minimum Reporting Level , sample collected May 13, 2025 14:10, sampling point SM3 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Jan 1, 2025 – Dec 31, 2025
0.99 ug/l , sample collected May 13, 2025 14:10, sampling point SM3 Chloroform 2941 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 13, 2025 14:10, sampling point SM3 Bromoform 2942 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 13, 2025 14:10, sampling point SM3 Bromodichloromethane 2943 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 13, 2025 14:10, sampling point SM3 Dibromochloromethane 2944 EPA method 524.2 Not recorded
0.99 ug/l , sample collected May 13, 2025 14:10, sampling point SM3 TTHM 2950 EPA method 524.2 Jan 1, 2025 – Dec 31, 2025
Collected
Apr 14, 2025 13:30
Sampling point
SM3 Location withheld
Sample type
Routine
Lab sample
HA-250415-001
Laboratory
MSDH Lab
8.95 ug/l , sample collected Apr 14, 2025 13:30, sampling point SM3 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Jan 1, 2025 – Dec 31, 2025
Collected
Apr 14, 2025 13:30
Sampling point
SM3 Location withheld
Sample type
Routine
Lab sample
TH-250415-002
Laboratory
MSDH Lab
1.54 ug/l , sample collected Apr 14, 2025 13:30, sampling point SM3 TTHM 2950 EPA method 524.2 Jan 1, 2025 – Dec 31, 2025
Collected
Jan 14, 2025 13:30
Sampling point
TF102
Sample type
Routine
Lab sample
NI-250115-013
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Jan 14, 2025 13:30, sampling point TF102 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Jan 14, 2025 13:30, sampling point TF102 Nitrate 1040 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Jan 14, 2025 13:30, sampling point TF102 Nitrite 1041 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Collected
Jan 14, 2025 13:30
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
NI-250115-012
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Jan 14, 2025 13:30, sampling point TF101 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Jan 14, 2025 13:30, sampling point TF101 Nitrate 1040 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Jan 14, 2025 13:30, sampling point TF101 Nitrite 1041 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Collected
Oct 30, 2024 09:50
Sampling point
TF102
Sample type
Routine
Lab sample
CN-241031-007
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Oct 30, 2024 09:50, sampling point TF102 Cyanide 1024 EPA method QC10204001X Jan 1, 2022 – Dec 31, 2024
Collected
Oct 15, 2024 13:25
Sampling point
TF102
Sample type
Routine
Lab sample
NA-241016-058
Laboratory
MSDH Lab
77.7 mg/l , sample collected Oct 15, 2024 13:25, sampling point TF102 Sodium 1052 EPA method 200.7 Jan 1, 2022 – Dec 31, 2024
Collected
Oct 15, 2024 13:20
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
NA-241016-057
Laboratory
MSDH Lab
78.2 mg/l , sample collected Oct 15, 2024 13:20, sampling point TF101 Sodium 1052 EPA method 200.7 Jan 1, 2022 – Dec 31, 2024

Routine (9).