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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 121–130 of 290 samples, newest first — collected June 24, 2014 to August 20, 2014. The summary above covers all 290.

44 results from the 10 samples listed here: 10 detected, 34 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 121 to 130 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 20, 2014 03:10
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
140821-006HA
Laboratory
MSDH Lab
Not detected below 0.002 mg/l Minimum Reporting Level , sample collected Aug 20, 2014 03:10, sampling point MRT000 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Aug 20, 2014 03:10, sampling point MRT000 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Aug 20, 2014 03:10, sampling point MRT000 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Aug 20, 2014 03:10, sampling point MRT000 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Aug 20, 2014 03:10, sampling point MRT000 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
Not detected below 0.006 mg/l Minimum Reporting Level , sample collected Aug 20, 2014 03:10, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 Jan 1, 2014 – Dec 31, 2016
Collected
Aug 20, 2014 03:05
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
140821-006TH
Laboratory
MSDH Lab
Not detected below 1 ug/l Minimum Reporting Level , sample collected Aug 20, 2014 03:05, sampling point MRT000 Chloroform 2941 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Aug 20, 2014 03:05, sampling point MRT000 Bromoform 2942 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Aug 20, 2014 03:05, sampling point MRT000 Bromodichloromethane 2943 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Aug 20, 2014 03:05, sampling point MRT000 Dibromochloromethane 2944 EPA method 524.2 Not recorded
Not detected below 4 ug/l Minimum Reporting Level , sample collected Aug 20, 2014 03:05, sampling point MRT000 TTHM 2950 EPA method 524.2 Jan 1, 2014 – Dec 31, 2016
Collected
Jul 23, 2014 03:40
Sampling point
TF081 Treatment Plant TF081
Sample type
Routine
Lab sample
140724-010VO
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 23, 2014 03:40, sampling point TF081 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Jul 1, 2014 – Sep 30, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 23, 2014 03:40, sampling point TF081 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Jul 1, 2014 – Sep 30, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 23, 2014 03:40, sampling point TF081 Xylenes, Total 2955 EPA method 524.2 Jul 1, 2014 – Sep 30, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 23, 2014 03:40, sampling point TF081 Dichloromethane 2964 EPA method 524.2 Jul 1, 2014 – Sep 30, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 23, 2014 03:40, sampling point TF081 O-Dichlorobenzene 2968 EPA method 524.2 Jul 1, 2014 – Sep 30, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 23, 2014 03:40, sampling point TF081 P-Dichlorobenzene 2969 EPA method 524.2 Jul 1, 2014 – Sep 30, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 23, 2014 03:40, sampling point TF081 Vinyl Chloride 2976 EPA method 524.2 Jul 1, 2014 – Sep 30, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 23, 2014 03:40, sampling point TF081 1,1-Dichloroethylene 2977 EPA method 524.2 Jul 1, 2014 – Sep 30, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 23, 2014 03:40, sampling point TF081 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Jul 1, 2014 – Sep 30, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 23, 2014 03:40, sampling point TF081 1,2-Dichloroethane 2980 EPA method 524.2 Jul 1, 2014 – Sep 30, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 23, 2014 03:40, sampling point TF081 1,1,1-Trichloroethane 2981 EPA method 524.2 Jul 1, 2014 – Sep 30, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 23, 2014 03:40, sampling point TF081 Carbon Tetrachloride 2982 EPA method 524.2 Jul 1, 2014 – Sep 30, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 23, 2014 03:40, sampling point TF081 1,2-Dichloropropane 2983 EPA method 524.2 Jul 1, 2014 – Sep 30, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 23, 2014 03:40, sampling point TF081 Trichloroethylene 2984 EPA method 524.2 Jul 1, 2014 – Sep 30, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 23, 2014 03:40, sampling point TF081 1,1,2-Trichloroethane 2985 EPA method 524.2 Jul 1, 2014 – Sep 30, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 23, 2014 03:40, sampling point TF081 Tetrachloroethylene 2987 EPA method 524.2 Jul 1, 2014 – Sep 30, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 23, 2014 03:40, sampling point TF081 Chlorobenzene 2989 EPA method 524.2 Jul 1, 2014 – Sep 30, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 23, 2014 03:40, sampling point TF081 Benzene 2990 EPA method 524.2 Jul 1, 2014 – Sep 30, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 23, 2014 03:40, sampling point TF081 Toluene 2991 EPA method 524.2 Jul 1, 2014 – Sep 30, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 23, 2014 03:40, sampling point TF081 Ethylbenzene 2992 EPA method 524.2 Jul 1, 2014 – Sep 30, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 23, 2014 03:40, sampling point TF081 Styrene 2996 EPA method 524.2 Jul 1, 2014 – Sep 30, 2014
Collected
Jul 16, 2014 02:00
Sampling point
TF081 Treatment Plant TF081
Sample type
Routine
Lab sample
140717-012CN
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Jul 16, 2014 02:00, sampling point TF081 Cyanide 1024 EPA method QC10204001X Jan 1, 2014 – Dec 31, 2016
Collected
Jul 16, 2014 02:00
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
140717-011CN
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Jul 16, 2014 02:00, sampling point TF080 Cyanide 1024 EPA method QC10204001X Jan 1, 2014 – Dec 31, 2016
Collected
Jun 24, 2014 06:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
140625-119PB
Laboratory
MSDH Lab
0.1762 mg/l , sample collected Jun 24, 2014 06:30, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014
0.0024 mg/l , sample collected Jun 24, 2014 06:30, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014
Collected
Jun 24, 2014 06:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
140625-118PB
Laboratory
MSDH Lab
0.245 mg/l , sample collected Jun 24, 2014 06:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014
0.0005 mg/l , sample collected Jun 24, 2014 06:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014
Collected
Jun 24, 2014 06:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
140625-117PB
Laboratory
MSDH Lab
0.114 mg/l , sample collected Jun 24, 2014 06:30, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014
0.0005 mg/l , sample collected Jun 24, 2014 06:30, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014
Collected
Jun 24, 2014 06:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
140625-116PB
Laboratory
MSDH Lab
0.0091 mg/l , sample collected Jun 24, 2014 06:30, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014
0.0006 mg/l , sample collected Jun 24, 2014 06:30, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014
Collected
Jun 24, 2014 07:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
140625-115PB
Laboratory
MSDH Lab
0.3538 mg/l , sample collected Jun 24, 2014 07:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014
0.0015 mg/l , sample collected Jun 24, 2014 07:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014

Routine (10).