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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

MS0160009 , Southwest Covington W/A

25 of the 58 analytes this system has been tested for have been detected at least once, across 435 samples on record.

The other 33 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 435 samples on record, detections range from September 28, 1993 to October 28, 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 Southwest Covington W/A, 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 195 of 214 results Sep 28, 1993 Jul 16, 2024
Lead 1030 Inorganic Chemical 166 of 214 results Sep 28, 1993 Jul 16, 2024
Barium 1010 Inorganic Chemical 33 of 33 results Apr 23, 2002 Feb 5, 2025
Fluoride 1025 Inorganic Chemical 31 of 33 results Apr 23, 2002 Feb 5, 2025
Chromium 1020 Inorganic Chemical 22 of 33 results Apr 23, 2002 Feb 5, 2025
Gross Alpha, Incl. Radon & U 4002 Radionuclide 15 of 15 results Mar 6, 2012 Oct 2, 2012
Nickel 1036 Inorganic Chemical 11 of 33 results Feb 28, 2005 May 1, 2017
Sulfate 1055 Inorganic Chemical 9 of 9 results Apr 23, 2002 Jan 26, 2004
TTHM 2950 Organic Chemical 8 of 12 results May 19, 2004 Oct 28, 2025
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 8 of 14 results Jul 10, 2007 Dec 7, 2022
Chloroform 2941 Organic Chemical 6 of 7 results Jul 10, 2007 Oct 28, 2025
Sodium 1052 Inorganic Chemical 6 of 6 results Sep 24, 2019 Oct 14, 2024
Combined Radium (-226 & -228) 4010 Radionuclide 5 of 19 results Mar 6, 2012 Oct 2, 2012
Radium-228 4030 Radionuclide 5 of 19 results Mar 6, 2012 Oct 2, 2012
Selenium 1045 Inorganic Chemical 4 of 33 results Feb 28, 2005 Jan 23, 2006
Bromodichloromethane 2943 Organic Chemical 3 of 7 results Jul 10, 2007 Aug 30, 2011
Dibromochloromethane 2944 Organic Chemical 3 of 7 results Jul 10, 2007 Aug 30, 2011
Cadmium 1015 Inorganic Chemical 3 of 33 results Jan 23, 2006 Jan 23, 2006
Monobromoacetic Acid 2453 Organic Chemical 2 of 7 results Jul 25, 2018 Jul 30, 2020
Dichloroacetic Acid 2451 Organic Chemical 2 of 7 results Sep 17, 2008 Aug 30, 2011
Monochloroacetic Acid 2450 Organic Chemical 1 of 7 results Jul 25, 2018 Jul 25, 2018
Cyanide 1024 Inorganic Chemical 1 of 28 results Jul 9, 2014 Jul 9, 2014
Trichloroacetic Acid 2452 Organic Chemical 1 of 7 results Aug 30, 2011 Aug 30, 2011
Thallium, Total 1085 Inorganic Chemical 1 of 33 results Jul 27, 2011 Jul 27, 2011
Mercury 1035 Inorganic Chemical 1 of 33 results Feb 28, 2005 Feb 28, 2005

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 111–120 of 435 samples, newest first — collected February 1, 2017 to June 27, 2018. The summary above covers all 435.

69 results from the 10 samples listed here: 5 detected, 64 not detected. Across the whole record it is 542 of 1,880. 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 Southwest Covington W/A, every result from 111 to 120 of 435 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
Jun 27, 2018 16:50
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
180629-031PB
Laboratory
MSDH Lab
0.2332 mg/l , sample collected Jun 27, 2018 16:50, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2016 – Dec 31, 2018
0.0009 mg/l , sample collected Jun 27, 2018 16:50, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2016 – Dec 31, 2018
Collected
May 21, 2018 01:00
Sampling point
TF104 TF104
Sample type
Routine
Lab sample
180522-003VO
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 21, 2018 01:00, sampling point TF104 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Jan 1, 2018 – Dec 31, 2020
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 21, 2018 01:00, sampling point TF104 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Jan 1, 2018 – Dec 31, 2020
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 21, 2018 01:00, sampling point TF104 Xylenes, Total 2955 EPA method 524.2 Jan 1, 2018 – Dec 31, 2020
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 21, 2018 01:00, sampling point TF104 Dichloromethane 2964 EPA method 524.2 Jan 1, 2018 – Dec 31, 2020
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 21, 2018 01:00, sampling point TF104 O-Dichlorobenzene 2968 EPA method 524.2 Jan 1, 2018 – Dec 31, 2020
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 21, 2018 01:00, sampling point TF104 P-Dichlorobenzene 2969 EPA method 524.2 Jan 1, 2018 – Dec 31, 2020
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 21, 2018 01:00, sampling point TF104 Vinyl Chloride 2976 EPA method 524.2 Jan 1, 2018 – Dec 31, 2020
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 21, 2018 01:00, sampling point TF104 1,1-Dichloroethylene 2977 EPA method 524.2 Jan 1, 2018 – Dec 31, 2020
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 21, 2018 01:00, sampling point TF104 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Jan 1, 2018 – Dec 31, 2020
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 21, 2018 01:00, sampling point TF104 1,2-Dichloroethane 2980 EPA method 524.2 Jan 1, 2018 – Dec 31, 2020
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 21, 2018 01:00, sampling point TF104 1,1,1-Trichloroethane 2981 EPA method 524.2 Jan 1, 2018 – Dec 31, 2020
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 21, 2018 01:00, sampling point TF104 Carbon Tetrachloride 2982 EPA method 524.2 Jan 1, 2018 – Dec 31, 2020
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 21, 2018 01:00, sampling point TF104 1,2-Dichloropropane 2983 EPA method 524.2 Jan 1, 2018 – Dec 31, 2020
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 21, 2018 01:00, sampling point TF104 Trichloroethylene 2984 EPA method 524.2 Jan 1, 2018 – Dec 31, 2020
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 21, 2018 01:00, sampling point TF104 1,1,2-Trichloroethane 2985 EPA method 524.2 Jan 1, 2018 – Dec 31, 2020
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 21, 2018 01:00, sampling point TF104 Tetrachloroethylene 2987 EPA method 524.2 Jan 1, 2018 – Dec 31, 2020
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 21, 2018 01:00, sampling point TF104 Chlorobenzene 2989 EPA method 524.2 Jan 1, 2018 – Dec 31, 2020
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 21, 2018 01:00, sampling point TF104 Benzene 2990 EPA method 524.2 Jan 1, 2018 – Dec 31, 2020
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 21, 2018 01:00, sampling point TF104 Toluene 2991 EPA method 524.2 Jan 1, 2018 – Dec 31, 2020
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 21, 2018 01:00, sampling point TF104 Ethylbenzene 2992 EPA method 524.2 Jan 1, 2018 – Dec 31, 2020
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 21, 2018 01:00, sampling point TF104 Styrene 2996 EPA method 524.2 Jan 1, 2018 – Dec 31, 2020
Collected
May 2, 2018 12:05
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
180503-030CN
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected May 2, 2018 12:05, sampling point TF103 Cyanide 1024 EPA method QC10204001X Jan 1, 2017 – Dec 31, 2019
Collected
Feb 5, 2018 12:15
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
180206-039NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Feb 5, 2018 12:15, sampling point TF103 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2018 – Dec 31, 2018
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Feb 5, 2018 12:15, sampling point TF103 Nitrate 1040 EPA method QC10107041C Jan 1, 2018 – Dec 31, 2018
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Feb 5, 2018 12:15, sampling point TF103 Nitrite 1041 EPA method QC10107041C Jan 1, 2018 – Dec 31, 2018
Collected
Feb 5, 2018 12:34
Sampling point
TF104 TF104
Sample type
Routine
Lab sample
180206-019NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Feb 5, 2018 12:34, sampling point TF104 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2018 – Dec 31, 2018
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Feb 5, 2018 12:34, sampling point TF104 Nitrate 1040 EPA method QC10107041C Jan 1, 2018 – Dec 31, 2018
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Feb 5, 2018 12:34, sampling point TF104 Nitrite 1041 EPA method QC10107041C Jan 1, 2018 – Dec 31, 2018
Collected
Sep 11, 2017 14:00
Sampling point
TF104 TF104
Sample type
Routine
Lab sample
170912-014CN
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Sep 11, 2017 14:00, sampling point TF104 Cyanide 1024 EPA method QC10204001X Jan 1, 2015 – Dec 31, 2017
Collected
Jun 26, 2017 02:01
Sampling point
TF104 TF104
Sample type
Routine
Lab sample
170627-010VO
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 26, 2017 02:01, sampling point TF104 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Jan 1, 2017 – Dec 31, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 26, 2017 02:01, sampling point TF104 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Jan 1, 2017 – Dec 31, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 26, 2017 02:01, sampling point TF104 Xylenes, Total 2955 EPA method 524.2 Jan 1, 2017 – Dec 31, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 26, 2017 02:01, sampling point TF104 Dichloromethane 2964 EPA method 524.2 Jan 1, 2017 – Dec 31, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 26, 2017 02:01, sampling point TF104 O-Dichlorobenzene 2968 EPA method 524.2 Jan 1, 2017 – Dec 31, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 26, 2017 02:01, sampling point TF104 P-Dichlorobenzene 2969 EPA method 524.2 Jan 1, 2017 – Dec 31, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 26, 2017 02:01, sampling point TF104 Vinyl Chloride 2976 EPA method 524.2 Jan 1, 2017 – Dec 31, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 26, 2017 02:01, sampling point TF104 1,1-Dichloroethylene 2977 EPA method 524.2 Jan 1, 2017 – Dec 31, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 26, 2017 02:01, sampling point TF104 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Jan 1, 2017 – Dec 31, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 26, 2017 02:01, sampling point TF104 1,2-Dichloroethane 2980 EPA method 524.2 Jan 1, 2017 – Dec 31, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 26, 2017 02:01, sampling point TF104 1,1,1-Trichloroethane 2981 EPA method 524.2 Jan 1, 2017 – Dec 31, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 26, 2017 02:01, sampling point TF104 Carbon Tetrachloride 2982 EPA method 524.2 Jan 1, 2017 – Dec 31, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 26, 2017 02:01, sampling point TF104 1,2-Dichloropropane 2983 EPA method 524.2 Jan 1, 2017 – Dec 31, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 26, 2017 02:01, sampling point TF104 Trichloroethylene 2984 EPA method 524.2 Jan 1, 2017 – Dec 31, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 26, 2017 02:01, sampling point TF104 1,1,2-Trichloroethane 2985 EPA method 524.2 Jan 1, 2017 – Dec 31, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 26, 2017 02:01, sampling point TF104 Tetrachloroethylene 2987 EPA method 524.2 Jan 1, 2017 – Dec 31, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 26, 2017 02:01, sampling point TF104 Chlorobenzene 2989 EPA method 524.2 Jan 1, 2017 – Dec 31, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 26, 2017 02:01, sampling point TF104 Benzene 2990 EPA method 524.2 Jan 1, 2017 – Dec 31, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 26, 2017 02:01, sampling point TF104 Toluene 2991 EPA method 524.2 Jan 1, 2017 – Dec 31, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 26, 2017 02:01, sampling point TF104 Ethylbenzene 2992 EPA method 524.2 Jan 1, 2017 – Dec 31, 2017
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 26, 2017 02:01, sampling point TF104 Styrene 2996 EPA method 524.2 Jan 1, 2017 – Dec 31, 2017
Collected
May 1, 2017 03:10
Sampling point
TF104 TF104
Sample type
Routine
Lab sample
170502-010IN
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 1, 2017 03:10, sampling point TF104 Arsenic 1005 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
0.0188 mg/l , sample collected May 1, 2017 03:10, sampling point TF104 Barium 1010 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 1, 2017 03:10, sampling point TF104 Cadmium 1015 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 1, 2017 03:10, sampling point TF104 Chromium 1020 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
0.109 mg/l , sample collected May 1, 2017 03:10, sampling point TF104 Fluoride 1025 EPA method 300.0 Jan 1, 2015 – Dec 31, 2017
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 1, 2017 03:10, sampling point TF104 Mercury 1035 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
0.0007 mg/l , sample collected May 1, 2017 03:10, sampling point TF104 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected May 1, 2017 03:10, sampling point TF104 Selenium 1045 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 1, 2017 03:10, sampling point TF104 Antimony, Total 1074 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 1, 2017 03:10, sampling point TF104 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 1, 2017 03:10, sampling point TF104 Thallium, Total 1085 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Collected
Feb 1, 2017 13:42
Sampling point
TF104 TF104
Sample type
Routine
Lab sample
170202-014NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Feb 1, 2017 13:42, sampling point TF104 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2017 – Dec 31, 2017
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Feb 1, 2017 13:42, sampling point TF104 Nitrate 1040 EPA method QC10107041C Jan 1, 2017 – Dec 31, 2017
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Feb 1, 2017 13:42, sampling point TF104 Nitrite 1041 EPA method QC10107041C Jan 1, 2017 – Dec 31, 2017
Collected
Feb 1, 2017 13:30
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
170202-013NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Feb 1, 2017 13:30, sampling point TF103 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2017 – Dec 31, 2017
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Feb 1, 2017 13:30, sampling point TF103 Nitrate 1040 EPA method QC10107041C Jan 1, 2017 – Dec 31, 2017
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Feb 1, 2017 13:30, sampling point TF103 Nitrite 1041 EPA method QC10107041C Jan 1, 2017 – Dec 31, 2017

Routine (10).