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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 241–250 of 373 samples, newest first — collected August 17, 2011 to June 20, 2012. The summary above covers all 373.

30 results from the 10 samples listed here: 5 detected, 25 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 241 to 250 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
Jun 20, 2012 14:30
Sampling point
TF081 Treatment Facility TF081
Sample type
Routine
Lab sample
120621-001RU
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 20, 2012 14:30, sampling point TF081 Combined Uranium 4006 EPA method 200.8 Apr 1, 2012 – Jun 30, 2012
Collected
Apr 18, 2012 14:30
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
120419-038
Laboratory
Radiation Safety Engineering
0.4 pci/l , sample collected Apr 18, 2012 14:30, sampling point TF080 Gross Alpha, Incl. Radon & U 4002 EPA method 00-02 Not recorded
Not detected below 0.56 pci/l Minimum Reporting Level , sample collected Apr 18, 2012 14:30, sampling point TF080 Combined Radium (-226 & -228) 4010 Not recorded
Not detected below 0.555 pci/l Minimum Reporting Level , sample collected Apr 18, 2012 14:30, sampling point TF080 Radium-226 4020 EPA method 903.1 Apr 1, 2012 – Jun 30, 2012
Not detected below 0.56 pci/l Minimum Reporting Level , sample collected Apr 18, 2012 14:30, sampling point TF080 Radium-228 4030 EPA method 904.0 Apr 1, 2012 – Jun 30, 2012
Collected
Apr 18, 2012 14:30
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
120419-038RU
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 18, 2012 14:30, sampling point TF080 Combined Uranium 4006 EPA method 200.8 Apr 1, 2012 – Jun 30, 2012
Collected
Feb 15, 2012 13:00
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
120216-072
Laboratory
Radiation Safety Engineering
0.4 pci/l , sample collected Feb 15, 2012 13:00, sampling point TF080 Gross Alpha, Incl. Radon & U 4002 EPA method 00-02 Not recorded
Not detected below 0.56 pci/l Minimum Reporting Level , sample collected Feb 15, 2012 13:00, sampling point TF080 Combined Radium (-226 & -228) 4010 Not recorded
Not detected below 0.555 pci/l Minimum Reporting Level , sample collected Feb 15, 2012 13:00, sampling point TF080 Radium-226 4020 EPA method 903.1 Jan 1, 2012 – Mar 31, 2012
Not detected below 0.56 pci/l Minimum Reporting Level , sample collected Feb 15, 2012 13:00, sampling point TF080 Radium-228 4030 EPA method 904.0 Jan 1, 2012 – Mar 31, 2012
Collected
Feb 15, 2012 13:00
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
120216-072RU
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 15, 2012 13:00, sampling point TF080 Combined Uranium 4006 EPA method 200.8 Jan 1, 2012 – Mar 31, 2012
Collected
Jan 23, 2012 04:00
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
120124-032NI
Laboratory
MSDH Lab
0.38 mg/l , sample collected Jan 23, 2012 04:00, sampling point TF080 Nitrate-Nitrite 1038 EPA method 353.2 Jan 1, 2012 – Dec 31, 2012
0.38 mg/l , sample collected Jan 23, 2012 04:00, sampling point TF080 Nitrate 1040 EPA method 353.2 Jan 1, 2012 – Dec 31, 2012
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Jan 23, 2012 04:00, sampling point TF080 Nitrite 1041 EPA method 353.2 Jan 1, 2012 – Dec 31, 2012
Collected
Dec 13, 2011 14:00
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
111214-043
Laboratory
Radiation Safety Engineering
0.4 pci/l , sample collected Dec 13, 2011 14:00, sampling point TF080 Gross Alpha, Incl. Radon & U 4002 EPA method 00-02 Not recorded
Not detected below 0.56 pci/l Minimum Reporting Level , sample collected Dec 13, 2011 14:00, sampling point TF080 Combined Radium (-226 & -228) 4010 Not recorded
Not detected below 0.555 pci/l Minimum Reporting Level , sample collected Dec 13, 2011 14:00, sampling point TF080 Radium-226 4020 EPA method 903.1 Oct 1, 2011 – Dec 31, 2011
Not detected below 0.56 pci/l Minimum Reporting Level , sample collected Dec 13, 2011 14:00, sampling point TF080 Radium-228 4030 EPA method 904.0 Oct 1, 2011 – Dec 31, 2011
Collected
Aug 30, 2011 02:43
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
110831-008TH
Laboratory
MSDH Lab
Not detected below 1 ug/l Minimum Reporting Level , sample collected Aug 30, 2011 02:43, sampling point MRT000 Chloroform 2941 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Aug 30, 2011 02:43, sampling point MRT000 Bromoform 2942 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Aug 30, 2011 02:43, sampling point MRT000 Bromodichloromethane 2943 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Aug 30, 2011 02:43, sampling point MRT000 Dibromochloromethane 2944 EPA method 524.2 Not recorded
Not detected below 4 ug/l Minimum Reporting Level , sample collected Aug 30, 2011 02:43, sampling point MRT000 TTHM 2950 EPA method 524.2 Jan 1, 2011 – Dec 31, 2013
Collected
Aug 30, 2011 02:40
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
110831-009HA
Laboratory
MSDH Lab
Not detected below 0.002 mg/l Minimum Reporting Level , sample collected Aug 30, 2011 02:40, 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 30, 2011 02:40, 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 30, 2011 02:40, 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 30, 2011 02:40, 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 30, 2011 02:40, 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 30, 2011 02:40, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 Jan 1, 2011 – Dec 31, 2013
Collected
Aug 17, 2011 03:30
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
110818-015CN
Laboratory
MSDH Lab
Not detected below 15 ug/l Minimum Reporting Level , sample collected Aug 17, 2011 03:30, sampling point TF080 Cyanide 1024 EPA method QC10204001X Jan 1, 2011 – Dec 31, 2013

Routine (10).