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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 251–260 of 506 samples, newest first — collected April 22, 2008 to July 17, 2008. The summary above covers all 506.

67 results from the 10 samples listed here: 16 detected, 51 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 251 to 260 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
Jul 17, 2008
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
080717-076PB
Laboratory
MSDH Lab
0.0482 mg/l , sample collected Jul 17, 2008, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
0.0026 mg/l , sample collected Jul 17, 2008, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
Collected
Jul 16, 2008
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
080717-080PB
Laboratory
MSDH Lab
0.1021 mg/l , sample collected Jul 16, 2008, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
0.0045 mg/l , sample collected Jul 16, 2008, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
Collected
Jun 25, 2008
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
080626-027HA
Laboratory
MSDH Lab
Not detected below 0.002 mg/l Minimum Reporting Level , sample collected Jun 25, 2008, sampling point MRT000 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Jun 25, 2008, sampling point MRT000 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
0.001 mg/l , sample collected Jun 25, 2008, sampling point MRT000 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
0.003 mg/l , sample collected Jun 25, 2008, sampling point MRT000 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Jun 25, 2008, sampling point MRT000 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
Not detected below 0.006 mg/l Minimum Reporting Level , sample collected Jun 25, 2008, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 Jan 1, 2008 – Dec 31, 2008
Collected
Jun 25, 2008
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
080626-028TH
Laboratory
MSDH Lab
1.82 ug/l , sample collected Jun 25, 2008, sampling point MRT000 Chloroform 2941 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Jun 25, 2008, sampling point MRT000 Bromoform 2942 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Jun 25, 2008, sampling point MRT000 Bromodichloromethane 2943 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Jun 25, 2008, sampling point MRT000 Dibromochloromethane 2944 EPA method 524.2 Not recorded
1.82 ug/l , sample collected Jun 25, 2008, sampling point MRT000 TTHM 2950 EPA method 524.2 Jan 1, 2008 – Dec 31, 2008
Collected
Jun 2, 2008
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
080602-003NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Jun 2, 2008, sampling point TF101 Nitrate-Nitrite 1038 EPA method 353.2 Jan 1, 2008 – Dec 31, 2008
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Jun 2, 2008, sampling point TF101 Nitrate 1040 EPA method 353.2 Jan 1, 2008 – Dec 31, 2008
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Jun 2, 2008, sampling point TF101 Nitrite 1041 EPA method 353.2 Jan 1, 2008 – Dec 31, 2008
Collected
Jun 2, 2008
Sampling point
TF080
Sample type
Routine
Lab sample
080602-002NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Jun 2, 2008, sampling point TF080 Nitrate-Nitrite 1038 EPA method 353.2 Jan 1, 2008 – Dec 31, 2008
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Jun 2, 2008, sampling point TF080 Nitrate 1040 EPA method 353.2 Jan 1, 2008 – Dec 31, 2008
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Jun 2, 2008, sampling point TF080 Nitrite 1041 EPA method 353.2 Jan 1, 2008 – Dec 31, 2008
Collected
Jun 2, 2008
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
080602-001NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Jun 2, 2008, sampling point TF102 Nitrate-Nitrite 1038 EPA method 353.2 Jan 1, 2008 – Dec 31, 2008
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Jun 2, 2008, sampling point TF102 Nitrate 1040 EPA method 353.2 Jan 1, 2008 – Dec 31, 2008
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Jun 2, 2008, sampling point TF102 Nitrite 1041 EPA method 353.2 Jan 1, 2008 – Dec 31, 2008
Collected
Apr 23, 2008
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
080424-002IN
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 23, 2008, sampling point TF102 Arsenic 1005 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
0.00798 mg/l , sample collected Apr 23, 2008, sampling point TF102 Barium 1010 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
Not detected below 0.0001 mg/l Minimum Reporting Level , sample collected Apr 23, 2008, sampling point TF102 Cadmium 1015 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 23, 2008, sampling point TF102 Chromium 1020 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
0.244 mg/l , sample collected Apr 23, 2008, sampling point TF102 Fluoride 1025 EPA method 380-75WE Jan 1, 2008 – Dec 31, 2010
Not detected below 0.0002 mg/l Minimum Reporting Level , sample collected Apr 23, 2008, sampling point TF102 Mercury 1035 EPA method 245.1 Jan 1, 2008 – Dec 31, 2010
0.004136 mg/l , sample collected Apr 23, 2008, sampling point TF102 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 23, 2008, sampling point TF102 Selenium 1045 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 23, 2008, sampling point TF102 Antimony, Total 1074 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
Not detected below 0.0001 mg/l Minimum Reporting Level , sample collected Apr 23, 2008, sampling point TF102 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 23, 2008, sampling point TF102 Thallium, Total 1085 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
Collected
Apr 23, 2008
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
080424-001IN
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 23, 2008, sampling point TF101 Arsenic 1005 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
0.009351 mg/l , sample collected Apr 23, 2008, sampling point TF101 Barium 1010 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
Not detected below 0.0001 mg/l Minimum Reporting Level , sample collected Apr 23, 2008, sampling point TF101 Cadmium 1015 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
0.001857 mg/l , sample collected Apr 23, 2008, sampling point TF101 Chromium 1020 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
0.949 mg/l , sample collected Apr 23, 2008, sampling point TF101 Fluoride 1025 EPA method 380-75WE Jan 1, 2008 – Dec 31, 2010
Not detected below 0.0002 mg/l Minimum Reporting Level , sample collected Apr 23, 2008, sampling point TF101 Mercury 1035 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
0.003779 mg/l , sample collected Apr 23, 2008, sampling point TF101 Nickel 1036 EPA method 200.8 Not recorded
0.000691 mg/l , sample collected Apr 23, 2008, sampling point TF101 Selenium 1045 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 23, 2008, sampling point TF101 Antimony, Total 1074 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
Not detected below 0.0001 mg/l Minimum Reporting Level , sample collected Apr 23, 2008, sampling point TF101 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 23, 2008, sampling point TF101 Thallium, Total 1085 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
Collected
Apr 22, 2008
Sampling point
TF080
Sample type
Routine
Lab sample
080423-014VO
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Apr 22, 2008, sampling point TF080 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Apr 22, 2008, sampling point TF080 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Apr 22, 2008, sampling point TF080 Xylenes, Total 2955 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Apr 22, 2008, sampling point TF080 Dichloromethane 2964 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Apr 22, 2008, sampling point TF080 O-Dichlorobenzene 2968 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Apr 22, 2008, sampling point TF080 P-Dichlorobenzene 2969 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Apr 22, 2008, sampling point TF080 Vinyl Chloride 2976 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Apr 22, 2008, sampling point TF080 1,1-Dichloroethylene 2977 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Apr 22, 2008, sampling point TF080 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Apr 22, 2008, sampling point TF080 1,2-Dichloroethane 2980 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Apr 22, 2008, sampling point TF080 1,1,1-Trichloroethane 2981 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Apr 22, 2008, sampling point TF080 Carbon Tetrachloride 2982 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Apr 22, 2008, sampling point TF080 1,2-Dichloropropane 2983 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Apr 22, 2008, sampling point TF080 Trichloroethylene 2984 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Apr 22, 2008, sampling point TF080 1,1,2-Trichloroethane 2985 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Apr 22, 2008, sampling point TF080 Tetrachloroethylene 2987 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Apr 22, 2008, sampling point TF080 Chlorobenzene 2989 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Apr 22, 2008, sampling point TF080 Benzene 2990 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Apr 22, 2008, sampling point TF080 Toluene 2991 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Apr 22, 2008, sampling point TF080 Ethylbenzene 2992 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Apr 22, 2008, sampling point TF080 Styrene 2996 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010

Routine (10).