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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.

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

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 161–170 of 290 samples, newest first — collected July 14, 2011 to August 17, 2011. The summary above covers all 290.

19 results from the 10 samples listed here: 16 detected, 3 not detected. Across the whole record it is 287 of 1,363. 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-South, every result from 161 to 170 of 290 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
Aug 17, 2011 04:30
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
110818-002CN
Laboratory
MSDH Lab
Not detected below 15 ug/l Minimum Reporting Level , sample collected Aug 17, 2011 04:30, sampling point TF080 Cyanide 1024 EPA method QC10204001X Jan 1, 2011 – Dec 31, 2013
Collected
Jul 14, 2011
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
110715-075PB
Laboratory
MSDH Lab
0.0815 mg/l , sample collected Jul 14, 2011, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
0.0008 mg/l , sample collected Jul 14, 2011, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
Collected
Jul 14, 2011
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
110715-041PB
Laboratory
MSDH Lab
0.4519 mg/l , sample collected Jul 14, 2011, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jul 14, 2011, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
Collected
Jul 14, 2011
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
110715-040PB
Laboratory
MSDH Lab
0.108 mg/l , sample collected Jul 14, 2011, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
0.0028 mg/l , sample collected Jul 14, 2011, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
Collected
Jul 14, 2011
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
110715-039PB
Laboratory
MSDH Lab
0.4495 mg/l , sample collected Jul 14, 2011, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
0.0014 mg/l , sample collected Jul 14, 2011, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
Collected
Jul 14, 2011
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
110715-038PB
Laboratory
MSDH Lab
0.0325 mg/l , sample collected Jul 14, 2011, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
0.0012 mg/l , sample collected Jul 14, 2011, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
Collected
Jul 14, 2011
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
110715-037PB
Laboratory
MSDH Lab
0.4112 mg/l , sample collected Jul 14, 2011, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jul 14, 2011, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
Collected
Jul 14, 2011
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
110715-024PB
Laboratory
MSDH Lab
0.0214 mg/l , sample collected Jul 14, 2011, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
0.0006 mg/l , sample collected Jul 14, 2011, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
Collected
Jul 14, 2011
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
110715-023PB
Laboratory
MSDH Lab
0.0415 mg/l , sample collected Jul 14, 2011, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
0.0009 mg/l , sample collected Jul 14, 2011, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
Collected
Jul 14, 2011
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
110715-022PB
Laboratory
MSDH Lab
0.4137 mg/l , sample collected Jul 14, 2011, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
0.0008 mg/l , sample collected Jul 14, 2011, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011

Routine (10).