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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

MS0150010 , Northeast Copiah Water Assn

30 of the 58 analytes this system has been tested for have been detected at least once, across 506 samples on record.

The other 28 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 506 samples on record, detections range from July 20, 1993 to August 5, 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 Northeast Copiah Water Assn, 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 226 of 228 results Jul 20, 1993 Aug 5, 2025
Lead 1030 Inorganic Chemical 198 of 228 results Jul 20, 1993 Aug 5, 2025
Barium 1010 Inorganic Chemical 34 of 34 results Apr 9, 2002 Apr 14, 2025
Fluoride 1025 Inorganic Chemical 27 of 34 results Apr 9, 2002 Apr 14, 2025
TTHM 2950 Organic Chemical 21 of 40 results Sep 22, 2004 Aug 26, 2024
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 20 of 35 results Sep 22, 2004 Dec 20, 2021
Nickel 1036 Inorganic Chemical 17 of 34 results Apr 9, 2002 Apr 14, 2025
Chromium 1020 Inorganic Chemical 12 of 34 results Jan 28, 2004 Apr 14, 2025
Chloroform 2941 Organic Chemical 11 of 29 results May 18, 2006 Aug 26, 2024
Gross Alpha, Incl. Radon & U 4002 Radionuclide 10 of 10 results Mar 8, 2012 Oct 8, 2012
Carbon Tetrachloride 2982 Organic Chemical 9 of 59 results Apr 14, 2004 Apr 14, 2010
Selenium 1045 Inorganic Chemical 8 of 34 results Jan 28, 2004 Apr 23, 2008
Arsenic 1005 Inorganic Chemical 6 of 34 results Jan 23, 2006 Jan 10, 2024
Cadmium 1015 Inorganic Chemical 6 of 34 results Jan 28, 2004 Jan 23, 2006
Bromodichloromethane 2943 Organic Chemical 5 of 29 results May 18, 2006 Dec 7, 2009
Dibromochloromethane 2944 Organic Chemical 5 of 29 results May 18, 2006 Dec 7, 2009
Sulfate 1055 Inorganic Chemical 5 of 8 results Apr 9, 2002 Jan 28, 2004
Sodium 1052 Inorganic Chemical 4 of 4 results Oct 30, 2019 Oct 20, 2024
Gross Alpha Particle Activity 4109 Radionuclide 4 of 4 results Jun 18, 2012 Jan 17, 2013
Monochloroacetic Acid 2450 Organic Chemical 3 of 20 results Dec 7, 2009 Jul 25, 2017
Combined Uranium 4006 Radionuclide 3 of 13 results Mar 8, 2012 Jul 30, 2012
Monobromoacetic Acid 2453 Organic Chemical 3 of 20 results Jun 25, 2008 Sep 8, 2009
Xylenes, Total 2955 Organic Chemical 2 of 59 results Aug 16, 2012 Dec 13, 2012
Ethylbenzene 2992 Organic Chemical 2 of 59 results Aug 16, 2012 Dec 13, 2012
Trichloroacetic Acid 2452 Organic Chemical 2 of 20 results Jun 25, 2008 Dec 7, 2009
Toluene 2991 Organic Chemical 1 of 59 results Dec 13, 2012 Dec 13, 2012
Styrene 2996 Organic Chemical 1 of 59 results Dec 13, 2012 Dec 13, 2012
Dichloroacetic Acid 2451 Organic Chemical 1 of 20 results Dec 7, 2009 Dec 7, 2009
Uranium-238 4009 Radionuclide 1 of 4 results Jan 23, 2006 Jan 23, 2006
Cyanide 1024 Inorganic Chemical 1 of 30 results Sep 8, 2003 Sep 8, 2003

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 506 samples, newest first — collected October 11, 2016 to June 29, 2017. The summary above covers all 506.

58 results from the 10 samples listed here: 12 detected, 46 not detected. Across the whole record it is 648 of 2,640. 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 Northeast Copiah Water Assn, every result from 111 to 120 of 506 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 29, 2017 12:17
Sampling point
TF105 Treatment Facility TF105
Sample type
Routine
Lab sample
170630-004VO
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 29, 2017 12:17, sampling point TF105 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 29, 2017 12:17, sampling point TF105 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 29, 2017 12:17, sampling point TF105 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 29, 2017 12:17, sampling point TF105 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 29, 2017 12:17, sampling point TF105 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 29, 2017 12:17, sampling point TF105 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 29, 2017 12:17, sampling point TF105 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 29, 2017 12:17, sampling point TF105 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 29, 2017 12:17, sampling point TF105 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 29, 2017 12:17, sampling point TF105 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 29, 2017 12:17, sampling point TF105 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 29, 2017 12:17, sampling point TF105 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 29, 2017 12:17, sampling point TF105 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 29, 2017 12:17, sampling point TF105 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 29, 2017 12:17, sampling point TF105 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 29, 2017 12:17, sampling point TF105 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 29, 2017 12:17, sampling point TF105 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 29, 2017 12:17, sampling point TF105 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 29, 2017 12:17, sampling point TF105 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 29, 2017 12:17, sampling point TF105 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 29, 2017 12:17, sampling point TF105 Styrene 2996 EPA method 524.2 Jan 1, 2017 – Dec 31, 2017
Collected
May 16, 2017 05:30
Sampling point
TF080
Sample type
Routine
Lab sample
170518-012IN
Laboratory
MSDH Lab
0.0006 mg/l , sample collected May 16, 2017 05:30, sampling point TF080 Arsenic 1005 EPA method 200.8 Jan 1, 2016 – Dec 31, 2018
0.0178 mg/l , sample collected May 16, 2017 05:30, sampling point TF080 Barium 1010 EPA method 200.8 Jan 1, 2016 – Dec 31, 2018
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 16, 2017 05:30, sampling point TF080 Cadmium 1015 EPA method 200.8 Jan 1, 2016 – Dec 31, 2018
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 16, 2017 05:30, sampling point TF080 Chromium 1020 EPA method 200.8 Jan 1, 2016 – Dec 31, 2018
0.105 mg/l , sample collected May 16, 2017 05:30, sampling point TF080 Fluoride 1025 EPA method 300.0 Jan 1, 2016 – Dec 31, 2018
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 16, 2017 05:30, sampling point TF080 Mercury 1035 EPA method 200.8 Jan 1, 2016 – Dec 31, 2018
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 16, 2017 05:30, sampling point TF080 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 16, 2017 05:30, sampling point TF080 Selenium 1045 EPA method 200.8 Jan 1, 2016 – Dec 31, 2018
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 16, 2017 05:30, sampling point TF080 Antimony, Total 1074 EPA method 200.8 Jan 1, 2016 – Dec 31, 2018
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 16, 2017 05:30, sampling point TF080 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2016 – Dec 31, 2018
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 16, 2017 05:30, sampling point TF080 Thallium, Total 1085 EPA method 200.8 Jan 1, 2016 – Dec 31, 2018
Collected
May 9, 2017 05:19
Sampling point
TF080
Sample type
Routine
Lab sample
170510-001CN
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected May 9, 2017 05:19, sampling point TF080 Cyanide 1024 EPA method QC10204001X Jan 1, 2016 – Dec 31, 2018
Collected
May 1, 2017 06:20
Sampling point
TF105 Treatment Facility TF105
Sample type
Routine
Lab sample
170503-005IN
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 1, 2017 06:20, sampling point TF105 Arsenic 1005 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
0.0251 mg/l , sample collected May 1, 2017 06:20, sampling point TF105 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 06:20, sampling point TF105 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 06:20, sampling point TF105 Chromium 1020 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
0.123 mg/l , sample collected May 1, 2017 06:20, sampling point TF105 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 06:20, sampling point TF105 Mercury 1035 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 06:20, sampling point TF105 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected May 1, 2017 06:20, sampling point TF105 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 06:20, sampling point TF105 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 06:20, sampling point TF105 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 06:20, sampling point TF105 Thallium, Total 1085 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Collected
Jan 24, 2017 07:20
Sampling point
TF105 Treatment Facility TF105
Sample type
Routine
Lab sample
170124-038NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Jan 24, 2017 07:20, sampling point TF105 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2017 – Dec 31, 2017
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Jan 24, 2017 07:20, sampling point TF105 Nitrate 1040 EPA method QC10107041C Jan 1, 2017 – Dec 31, 2017
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Jan 24, 2017 07:20, sampling point TF105 Nitrite 1041 EPA method QC10107041C Jan 1, 2017 – Dec 31, 2017
Collected
Jan 24, 2017 07:41
Sampling point
TF080
Sample type
Routine
Lab sample
170124-037NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Jan 24, 2017 07:41, sampling point TF080 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2017 – Dec 31, 2017
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Jan 24, 2017 07:41, sampling point TF080 Nitrate 1040 EPA method QC10107041C Jan 1, 2017 – Dec 31, 2017
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Jan 24, 2017 07:41, sampling point TF080 Nitrite 1041 EPA method QC10107041C Jan 1, 2017 – Dec 31, 2017
Collected
Oct 11, 2016 06:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
161011-014PB
Laboratory
MSDH Lab
0.0077 mg/l , sample collected Oct 11, 2016 06:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Oct 11, 2016 06:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Collected
Oct 11, 2016 07:05
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
161011-013PB
Laboratory
MSDH Lab
0.0878 mg/l , sample collected Oct 11, 2016 07:05, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
0.0018 mg/l , sample collected Oct 11, 2016 07:05, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Collected
Oct 11, 2016 04:05
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
161011-012PB
Laboratory
MSDH Lab
0.0617 mg/l , sample collected Oct 11, 2016 04:05, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
0.0018 mg/l , sample collected Oct 11, 2016 04:05, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Collected
Oct 11, 2016 07:01
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
161011-010PB
Laboratory
MSDH Lab
0.0315 mg/l , sample collected Oct 11, 2016 07:01, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
0.0006 mg/l , sample collected Oct 11, 2016 07:01, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017

Routine (10).