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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

MS0160011 , North Covington W/A-South

18 of the 58 analytes this system has been tested for have been detected at least once, across 290 samples on record.

The other 40 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 290 samples on record, detections range from July 13, 1993 to September 25, 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 North Covington W/A-South, 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 92 of 141 results Jul 13, 1993 Sep 25, 2025
Lead 1030 Inorganic Chemical 84 of 141 results Jul 13, 1993 Sep 25, 2025
Nitrate-Nitrite 1038 Inorganic Chemical 33 of 34 results May 3, 2004 Feb 5, 2025
Nitrate 1040 Inorganic Chemical 33 of 34 results May 3, 2004 Feb 5, 2025
Barium 1010 Inorganic Chemical 17 of 17 results Apr 16, 2002 Feb 5, 2025
Sodium 1052 Inorganic Chemical 6 of 6 results Sep 16, 2019 Oct 16, 2024
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 5 of 22 results Jul 9, 2007 Sep 1, 2021
Nickel 1036 Inorganic Chemical 4 of 17 results Jan 25, 2006 Apr 16, 2014
Xylenes, Total 2955 Organic Chemical 3 of 26 results Oct 14, 2004 Jun 12, 2019
TTHM 2950 Organic Chemical 2 of 22 results Jul 9, 2007 Sep 23, 2008
Dichloroacetic Acid 2451 Organic Chemical 1 of 15 results Jul 29, 2020 Jul 29, 2020
Monochloroacetic Acid 2450 Organic Chemical 1 of 15 results Jul 25, 2018 Jul 25, 2018
Gross Alpha, Incl. Radon & U 4002 Radionuclide 1 of 6 results May 27, 2014 May 27, 2014
Cadmium 1015 Inorganic Chemical 1 of 17 results Jan 25, 2006 Jan 25, 2006
Chromium 1020 Inorganic Chemical 1 of 17 results Jan 25, 2006 Jan 25, 2006
Selenium 1045 Inorganic Chemical 1 of 17 results Jan 25, 2006 Jan 25, 2006
Fluoride 1025 Inorganic Chemical 1 of 17 results Apr 16, 2002 Apr 16, 2002
Sulfate 1055 Inorganic Chemical 1 of 3 results Apr 16, 2002 Apr 16, 2002

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 16, 2024 to September 25, 2025. The summary above covers all 19.

34 results from the 9 samples listed here: 10 detected, 24 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 North Covington W/A-South, 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 25, 2025 06:00
Sampling point
LC0023 Location withheld
Sample type
Routine
Lab sample
PB-250930-021
Laboratory
MSDH Lab
0.0556 mg/l , sample collected Sep 25, 2025 06:00, sampling point LC0023 Copper, Free 1022 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
1 ug/l , sample collected Sep 25, 2025 06:00, sampling point LC0023 Lead 1030 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Jun 18, 2025 16:10
Sampling point
TF081 Treatment Plant TF081
Sample type
Routine
Lab sample
CN-250619-024
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Jun 18, 2025 16:10, sampling point TF081 Cyanide 1024 EPA method QC10204001X Jan 1, 2023 – Dec 31, 2025
Collected
Jun 18, 2025 16:15
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
CN-250619-023
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Jun 18, 2025 16:15, sampling point TF080 Cyanide 1024 EPA method QC10204001X Jan 1, 2023 – Dec 31, 2025
Collected
Feb 5, 2025 14:05
Sampling point
TF081 Treatment Plant TF081
Sample type
Routine
Lab sample
IN-250206-006
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 5, 2025 14:05, sampling point TF081 Arsenic 1005 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.014 mg/l , sample collected Feb 5, 2025 14:05, sampling point TF081 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 5, 2025 14:05, sampling point TF081 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 5, 2025 14:05, sampling point TF081 Chromium 1020 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Feb 5, 2025 14:05, sampling point TF081 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 5, 2025 14:05, sampling point TF081 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 5, 2025 14:05, sampling point TF081 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected Feb 5, 2025 14:05, sampling point TF081 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 5, 2025 14:05, sampling point TF081 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 5, 2025 14:05, sampling point TF081 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 5, 2025 14:05, sampling point TF081 Thallium, Total 1085 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Feb 5, 2025 14:00
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
IN-250206-005
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 5, 2025 14:00, sampling point TF080 Arsenic 1005 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.0159 mg/l , sample collected Feb 5, 2025 14:00, 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 5, 2025 14:00, 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 5, 2025 14:00, sampling point TF080 Chromium 1020 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Feb 5, 2025 14:00, 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 5, 2025 14:00, 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 5, 2025 14:00, sampling point TF080 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected Feb 5, 2025 14:00, 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 5, 2025 14:00, 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 5, 2025 14:00, 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 5, 2025 14:00, sampling point TF080 Thallium, Total 1085 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Feb 5, 2025 13:50
Sampling point
TF081 Treatment Plant TF081
Sample type
Routine
Lab sample
NI-250206-017
Laboratory
MSDH Lab
0.68 mg/l , sample collected Feb 5, 2025 13:50, sampling point TF081 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
0.68 mg/l , sample collected Feb 5, 2025 13:50, sampling point TF081 Nitrate 1040 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Feb 5, 2025 13:50, sampling point TF081 Nitrite 1041 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Collected
Feb 5, 2025 13:55
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
NI-250206-018
Laboratory
MSDH Lab
0.41 mg/l , sample collected Feb 5, 2025 13:55, sampling point TF080 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
0.41 mg/l , sample collected Feb 5, 2025 13:55, 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 Feb 5, 2025 13:55, sampling point TF080 Nitrite 1041 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Collected
Oct 16, 2024 14:45
Sampling point
TF081 Treatment Plant TF081
Sample type
Routine
Lab sample
NA-241017-031
Laboratory
MSDH Lab
1.42 mg/l , sample collected Oct 16, 2024 14:45, sampling point TF081 Sodium 1052 EPA method 200.7 Jan 1, 2022 – Dec 31, 2024
Collected
Oct 16, 2024 14:30
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
NA-241017-030
Laboratory
MSDH Lab
1.66 mg/l , sample collected Oct 16, 2024 14:30, sampling point TF080 Sodium 1052 EPA method 200.7 Jan 1, 2022 – Dec 31, 2024

Routine (9).