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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

MS0160004 , North Covington W/A-North

18 of the 58 analytes this system has been tested for have been detected at least once, across 373 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 373 samples on record, detections range from July 12, 1993 to February 11, 2026. 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 North Covington W/A-North, 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 173 of 227 results Jul 12, 1993 Sep 24, 2025
Lead 1030 Inorganic Chemical 82 of 227 results Jul 12, 1993 Sep 24, 2025
Nitrate-Nitrite 1038 Inorganic Chemical 38 of 38 results May 3, 2004 Feb 11, 2026
Nitrate 1040 Inorganic Chemical 38 of 38 results May 3, 2004 Feb 11, 2026
Barium 1010 Inorganic Chemical 17 of 17 results Apr 16, 2002 Feb 5, 2025
Nickel 1036 Inorganic Chemical 6 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 21 results Jul 9, 2007 Aug 6, 2024
Gross Alpha, Incl. Radon & U 4002 Radionuclide 5 of 5 results Dec 13, 2011 Jul 13, 2012
Gross Alpha Particle Activity 4109 Radionuclide 4 of 4 results Jun 20, 2012 Jan 16, 2013
Chromium 1020 Inorganic Chemical 3 of 17 results Apr 16, 2002 Apr 16, 2014
TTHM 2950 Organic Chemical 2 of 22 results Jul 9, 2007 Sep 23, 2008
Selenium 1045 Inorganic Chemical 2 of 17 results Jan 26, 2004 Jan 25, 2006
Dichloroacetic Acid 2451 Organic Chemical 1 of 14 results Aug 6, 2024 Aug 6, 2024
Monochloroacetic Acid 2450 Organic Chemical 1 of 14 results Jul 25, 2018 Jul 25, 2018
Arsenic 1005 Inorganic Chemical 1 of 17 results May 11, 2011 May 11, 2011
Fluoride 1025 Inorganic Chemical 1 of 17 results Mar 24, 2008 Mar 24, 2008
Cadmium 1015 Inorganic Chemical 1 of 17 results Jan 25, 2006 Jan 25, 2006

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 251–260 of 373 samples, newest first — collected July 7, 2011 to July 7, 2011. The summary above covers all 373.

20 results from the 10 samples listed here: 12 detected, 8 not detected. Across the whole record it is 386 of 1,423. 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 North Covington W/A-North, every result from 251 to 260 of 373 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
Jul 7, 2011
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
110708-120PB
Laboratory
MSDH Lab
0.0102 mg/l , sample collected Jul 7, 2011, sampling point DS000 Copper, Free 1022 EPA method 200.8 Not recorded
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jul 7, 2011, sampling point DS000 Lead 1030 EPA method 200.8 Not recorded
Collected
Jul 7, 2011
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
110708-115PB
Laboratory
MSDH Lab
0.0453 mg/l , sample collected Jul 7, 2011, sampling point DS000 Copper, Free 1022 EPA method 200.8 Not recorded
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jul 7, 2011, sampling point DS000 Lead 1030 EPA method 200.8 Not recorded
Collected
Jul 7, 2011
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
110708-114PB
Laboratory
MSDH Lab
0.0018 mg/l , sample collected Jul 7, 2011, sampling point DS000 Copper, Free 1022 EPA method 200.8 Not recorded
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jul 7, 2011, sampling point DS000 Lead 1030 EPA method 200.8 Not recorded
Collected
Jul 7, 2011
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
110708-113PB
Laboratory
MSDH Lab
0.0055 mg/l , sample collected Jul 7, 2011, sampling point DS000 Copper, Free 1022 EPA method 200.8 Not recorded
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jul 7, 2011, sampling point DS000 Lead 1030 EPA method 200.8 Not recorded
Collected
Jul 7, 2011
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
110708-112PB
Laboratory
MSDH Lab
0.014 mg/l , sample collected Jul 7, 2011, sampling point DS000 Copper, Free 1022 EPA method 200.8 Not recorded
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jul 7, 2011, sampling point DS000 Lead 1030 EPA method 200.8 Not recorded
Collected
Jul 7, 2011
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
110708-111PB
Laboratory
MSDH Lab
0.0737 mg/l , sample collected Jul 7, 2011, sampling point DS000 Copper, Free 1022 EPA method 200.8 Not recorded
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jul 7, 2011, sampling point DS000 Lead 1030 EPA method 200.8 Not recorded
Collected
Jul 7, 2011
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
110708-110PB
Laboratory
MSDH Lab
0.0116 mg/l , sample collected Jul 7, 2011, sampling point DS000 Copper, Free 1022 EPA method 200.8 Not recorded
0.0005 mg/l , sample collected Jul 7, 2011, sampling point DS000 Lead 1030 EPA method 200.8 Not recorded
Collected
Jul 7, 2011
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
110708-109PB
Laboratory
MSDH Lab
0.0066 mg/l , sample collected Jul 7, 2011, sampling point DS000 Copper, Free 1022 EPA method 200.8 Not recorded
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jul 7, 2011, sampling point DS000 Lead 1030 EPA method 200.8 Not recorded
Collected
Jul 7, 2011
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
110708-108PB
Laboratory
MSDH Lab
0.0118 mg/l , sample collected Jul 7, 2011, sampling point DS000 Copper, Free 1022 EPA method 200.8 Not recorded
0.0037 mg/l , sample collected Jul 7, 2011, sampling point DS000 Lead 1030 EPA method 200.8 Not recorded
Collected
Jul 7, 2011
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
110708-107PB
Laboratory
MSDH Lab
0.0017 mg/l , sample collected Jul 7, 2011, sampling point DS000 Copper, Free 1022 EPA method 200.8 Not recorded
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jul 7, 2011, sampling point DS000 Lead 1030 EPA method 200.8 Not recorded

Routine (10).