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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

MS0390002 , Lawrence County Water Assn

39 of the 73 analytes this system has been tested for have been detected at least once, across 251 samples on record.

The other 34 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 251 samples on record, detections range from October 8, 2003 to February 11, 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 Lawrence County Water Assn, 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 61 of 61 results Aug 2, 2007 Sep 5, 2023
TTHM 2950 Organic Chemical 31 of 36 results Jun 30, 2004 Feb 11, 2026
Fluoride 1025 Inorganic Chemical 24 of 24 results Oct 8, 2003 Feb 24, 2025
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 23 of 37 results Nov 16, 2005 Feb 4, 2025
Nitrate-Nitrite 1038 Inorganic Chemical 20 of 45 results Aug 17, 2005 Feb 9, 2026
Nitrate 1040 Inorganic Chemical 20 of 45 results Aug 17, 2005 Feb 9, 2026
Chloroform 2941 Organic Chemical 19 of 25 results Sep 19, 2006 Feb 11, 2026
Lead 1030 Inorganic Chemical 19 of 61 results Aug 2, 2007 Sep 5, 2023
Bromodichloromethane 2943 Organic Chemical 16 of 25 results Sep 19, 2006 Feb 11, 2026
Barium 1010 Inorganic Chemical 13 of 20 results Mar 1, 2004 Feb 24, 2025
Sodium 1052 Inorganic Chemical 10 of 10 results May 13, 2010 Feb 11, 2025
Gross Alpha, Incl. Radon & U 4002 Radionuclide 10 of 10 results Mar 8, 2012 Oct 2, 2012
Dichloroacetic Acid 2451 Organic Chemical 8 of 24 results Mar 10, 2009 Mar 13, 2024
Sulfate 1055 Inorganic Chemical 8 of 8 results Oct 8, 2003 May 24, 2017
Trichloroacetic Acid 2452 Organic Chemical 7 of 24 results Mar 10, 2009 Mar 13, 2024
Calcium 1016 Inorganic Chemical 4 of 4 results May 13, 2010 May 24, 2017
Iron 1028 Inorganic Chemical 4 of 4 results May 13, 2010 May 24, 2017
Manganese 1032 Inorganic Chemical 4 of 4 results May 13, 2010 May 24, 2017
Potassium 1042 Inorganic Chemical 4 of 4 results May 13, 2010 May 24, 2017
Residue, Total, Filterable 1057 Water Quality 4 of 4 results May 13, 2010 May 24, 2017
Carbon Dioxide 1901 Water Quality 4 of 4 results May 13, 2010 May 24, 2017
Hardness, Total (As Caco3) 1915 Water Quality 4 of 4 results May 13, 2010 May 24, 2017
Alkalinity, Total 1927 Water Quality 4 of 4 results May 13, 2010 May 24, 2017
Calculated Sodium NACA Water Quality 4 of 4 results May 13, 2010 May 24, 2017
PH, Field Result PHFD Water Quality 4 of 4 results May 13, 2010 May 24, 2017
Chromium 1020 Inorganic Chemical 4 of 20 results Mar 28, 2005 Apr 15, 2015
Monochloroacetic Acid 2450 Organic Chemical 4 of 24 results Sep 8, 2009 Dec 16, 2009
Dibromochloromethane 2944 Organic Chemical 3 of 25 results Mar 13, 2024 Jun 5, 2024
Chloride 1017 Inorganic Chemical 3 of 4 results May 13, 2010 May 24, 2017
Alkalinity, Caco3 Stability 1067 Water Quality 3 of 3 results May 13, 2010 May 24, 2017
Magnesium 1031 Inorganic Chemical 2 of 4 results May 24, 2017 May 24, 2017
Color 1905 Water Quality 2 of 2 results May 24, 2017 May 24, 2017
Monobromoacetic Acid 2453 Organic Chemical 1 of 24 results Sep 15, 2020 Sep 15, 2020
Iron, Field Result FEFD Inorganic Chemical 1 of 2 results May 24, 2017 May 24, 2017
Nitrite 1041 Inorganic Chemical 1 of 45 results Aug 17, 2005 Aug 17, 2005
Cadmium 1015 Inorganic Chemical 1 of 20 results Mar 28, 2005 Mar 28, 2005
Nickel 1036 Inorganic Chemical 1 of 20 results Mar 28, 2005 Mar 28, 2005
Selenium 1045 Inorganic Chemical 1 of 20 results Mar 28, 2005 Mar 28, 2005
Dichloromethane 2964 Organic Chemical 1 of 14 results Aug 12, 2004 Aug 12, 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

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The most recent samples, result by result

The table below lists 1–10 of 14 samples, newest first — collected February 11, 2025 to February 11, 2026. The summary above covers all 14.

46 results from the 10 samples listed here: 13 detected, 33 not detected. Across the whole record it is 357 of 1,212. 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 Lawrence County Water Assn, every result from 1 to 10 of 14 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
Feb 11, 2026 13:00
Sampling point
SM1 Location withheld
Sample type
Routine
Lab sample
810-180777-1
Laboratory
Eurofins Eaton Analytical South Bend in
Not detected below 2 ug/l Minimum Reporting Level , sample collected Feb 11, 2026 13:00, sampling point SM1 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Feb 11, 2026 13:00, sampling point SM1 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Feb 11, 2026 13:00, sampling point SM1 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Feb 11, 2026 13:00, sampling point SM1 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Feb 11, 2026 13:00, sampling point SM1 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
Not detected below 2 ug/l Minimum Reporting Level , sample collected Feb 11, 2026 13:00, sampling point SM1 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Jan 1, 2026 – Dec 31, 2026
0.69 ug/l , sample collected Feb 11, 2026 13:00, sampling point SM1 Chloroform 2941 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Feb 11, 2026 13:00, sampling point SM1 Bromoform 2942 EPA method 524.2 Not recorded
0.57 ug/l , sample collected Feb 11, 2026 13:00, sampling point SM1 Bromodichloromethane 2943 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Feb 11, 2026 13:00, sampling point SM1 Dibromochloromethane 2944 EPA method 524.2 Not recorded
1.26 ug/l , sample collected Feb 11, 2026 13:00, sampling point SM1 TTHM 2950 EPA method 524.2 Jan 1, 2026 – Dec 31, 2026
Collected
Feb 9, 2026 12:30
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
NI-260210-008
Laboratory
MSDH Lab
0.1 mg/l , sample collected Feb 9, 2026 12:30, sampling point TF080 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2026 – Dec 31, 2026
0.1 mg/l , sample collected Feb 9, 2026 12:30, sampling point TF080 Nitrate 1040 EPA method QC10107041C Jan 1, 2026 – Dec 31, 2026
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Feb 9, 2026 12:30, sampling point TF080 Nitrite 1041 EPA method QC10107041C Jan 1, 2026 – Dec 31, 2026
Collected
Sep 8, 2025 15:15
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
CN-250909-009
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Sep 8, 2025 15:15, sampling point TF103 Cyanide 1024 EPA method QC10204001X Jan 1, 2023 – Dec 31, 2025
Collected
Sep 8, 2025 15:00
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
CN-250909-008
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Sep 8, 2025 15:00, sampling point TF080 Cyanide 1024 EPA method QC10204001X Jan 1, 2023 – Dec 31, 2025
Collected
Mar 5, 2025 16:15
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
NI-250306-009
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Mar 5, 2025 16:15, sampling point TF103 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Mar 5, 2025 16:15, sampling point TF103 Nitrate 1040 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Mar 5, 2025 16:15, sampling point TF103 Nitrite 1041 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Collected
Mar 5, 2025 16:00
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
NI-250306-010
Laboratory
MSDH Lab
0.102 mg/l , sample collected Mar 5, 2025 16:00, sampling point TF080 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
0.102 mg/l , sample collected Mar 5, 2025 16:00, sampling point TF080 Nitrate 1040 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Mar 5, 2025 16:00, sampling point TF080 Nitrite 1041 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Collected
Feb 24, 2025 13:00
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
IN-250225-043
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 24, 2025 13:00, sampling point TF103 Arsenic 1005 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.001 mg/l , sample collected Feb 24, 2025 13:00, sampling point TF103 Barium 1010 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 24, 2025 13:00, sampling point TF103 Cadmium 1015 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 24, 2025 13:00, sampling point TF103 Chromium 1020 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
1.06 mg/l , sample collected Feb 24, 2025 13:00, sampling point TF103 Fluoride 1025 EPA method QC 10-109-12-2-A Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 24, 2025 13:00, sampling point TF103 Mercury 1035 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 24, 2025 13:00, sampling point TF103 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected Feb 24, 2025 13:00, sampling point TF103 Selenium 1045 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 24, 2025 13:00, sampling point TF103 Antimony, Total 1074 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 24, 2025 13:00, sampling point TF103 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 24, 2025 13:00, sampling point TF103 Thallium, Total 1085 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Feb 24, 2025 13:30
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
IN-250225-042
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 24, 2025 13:30, sampling point TF080 Arsenic 1005 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.0029 mg/l , sample collected Feb 24, 2025 13:30, sampling point TF080 Barium 1010 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 24, 2025 13:30, sampling point TF080 Cadmium 1015 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 24, 2025 13:30, sampling point TF080 Chromium 1020 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.18 mg/l , sample collected Feb 24, 2025 13:30, sampling point TF080 Fluoride 1025 EPA method QC 10-109-12-2-A Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 24, 2025 13:30, sampling point TF080 Mercury 1035 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 24, 2025 13:30, sampling point TF080 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected Feb 24, 2025 13:30, sampling point TF080 Selenium 1045 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 24, 2025 13:30, sampling point TF080 Antimony, Total 1074 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 24, 2025 13:30, sampling point TF080 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 24, 2025 13:30, sampling point TF080 Thallium, Total 1085 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Feb 11, 2025 16:15
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
NA-250212-002
Laboratory
MSDH Lab
56.4 mg/l , sample collected Feb 11, 2025 16:15, sampling point TF103 Sodium 1052 EPA method 200.7 Jan 1, 2023 – Dec 31, 2025
Collected
Feb 11, 2025 16:00
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
NA-250212-001
Laboratory
MSDH Lab
48.5 mg/l , sample collected Feb 11, 2025 16:00, sampling point TF080 Sodium 1052 EPA method 200.7 Jan 1, 2023 – Dec 31, 2025

Routine (10).