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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

MS0040012 , Mississippi Water Company

11 of the 13 analytes this system has been tested for have been detected at least once, across 184 samples on record.

The other 2 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 184 samples on record, detections range from August 25, 1993 to December 19, 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 Mississippi Water Company, 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 82 of 150 results Mar 9, 1994 Sep 23, 2025
Lead 1030 Inorganic Chemical 49 of 150 results Aug 25, 1993 Sep 23, 2025
TTHM 2950 Organic Chemical 20 of 21 results May 3, 2004 Dec 19, 2025
Chloroform 2941 Organic Chemical 16 of 16 results Jun 28, 2007 Dec 19, 2025
Bromodichloromethane 2943 Organic Chemical 15 of 16 results Jun 28, 2007 Dec 19, 2025
Dibromochloromethane 2944 Organic Chemical 13 of 16 results Jun 28, 2007 Dec 19, 2025
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 5 of 23 results Jun 28, 2007 Apr 9, 2025
Dichloroacetic Acid 2451 Organic Chemical 2 of 17 results Jul 14, 2008 Jul 11, 2011
Monochloroacetic Acid 2450 Organic Chemical 1 of 17 results Jul 17, 2018 Jul 17, 2018
Trichloroacetic Acid 2452 Organic Chemical 1 of 17 results Jul 11, 2011 Jul 11, 2011
Monobromoacetic Acid 2453 Organic Chemical 1 of 17 results Jul 11, 2011 Jul 11, 2011

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 101–110 of 184 samples, newest first — collected June 27, 2000 to July 9, 2008. The summary above covers all 184.

20 results from the 10 samples listed here: 16 detected, 4 not detected. Across the whole record it is 205 of 493. 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 Mississippi Water Company, every result from 101 to 110 of 184 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 9, 2008
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
080710-164PB
Laboratory
MSDH Lab
0.2738 mg/l , sample collected Jul 9, 2008, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
0.0008 mg/l , sample collected Jul 9, 2008, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
Collected
Jun 28, 2007
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
070629-004HA
Laboratory
MSDH Lab
0.0027 mg/l The agency recorded which kind of limit this result was below, but stored 0.000000000 as the limit itself, which is not a level. The type is published and the value is null. What the limit was is not on record. Whether the result was a detection is a separate column: read resultType. , sample collected Jun 28, 2007, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Jan 1, 2005 – Dec 31, 2007
Collected
Jun 28, 2007
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
070629-004TH
Laboratory
MSDH Lab
2.89 ug/l , sample collected Jun 28, 2007, sampling point MRT000 Chloroform 2941 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Jun 28, 2007, sampling point MRT000 Bromoform 2942 EPA method 524.2 Not recorded
2.08 ug/l , sample collected Jun 28, 2007, sampling point MRT000 Bromodichloromethane 2943 EPA method 524.2 Not recorded
1.61 ug/l , sample collected Jun 28, 2007, sampling point MRT000 Dibromochloromethane 2944 EPA method 524.2 Not recorded
6.58 ug/l , sample collected Jun 28, 2007, sampling point MRT000 TTHM 2950 EPA method 524.2 Jan 1, 2005 – Dec 31, 2007
Collected
May 3, 2004
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
040504-025TH
Laboratory
MSDH Lab
3.94 ug/l , sample collected May 3, 2004, sampling point MRT000 TTHM 2950 EPA method 524.2 Jan 1, 2004 – Dec 31, 2004
Collected
May 3, 2004
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
040504-025HA
Laboratory
MSDH Lab
Not detected below 0.01 mg/l Minimum Reporting Level , sample collected May 3, 2004, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Jan 1, 2004 – Dec 31, 2004
Collected
Jun 27, 2000
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
000628-033L
Laboratory
MSDH Lab
0.003 mg/l , sample collected Jun 27, 2000, sampling point DS000 Copper, Free 1022 Not recorded
0.001 mg/l , sample collected Jun 27, 2000, sampling point DS000 Lead 1030 Not recorded
Collected
Jun 27, 2000
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
000628-032L
Laboratory
MSDH Lab
0.005 mg/l , sample collected Jun 27, 2000, sampling point DS000 Copper, Free 1022 Not recorded
0.001 mg/l , sample collected Jun 27, 2000, sampling point DS000 Lead 1030 Not recorded
Collected
Jun 27, 2000
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
000628-031L
Laboratory
MSDH Lab
0.007 mg/l , sample collected Jun 27, 2000, sampling point DS000 Copper, Free 1022 Not recorded
Not detected below 0.001 mg/l Method Detection Limit , sample collected Jun 27, 2000, sampling point DS000 Lead 1030 Not recorded
Collected
Jun 27, 2000
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
000628-030L
Laboratory
MSDH Lab
0.003 mg/l , sample collected Jun 27, 2000, sampling point DS000 Copper, Free 1022 Not recorded
Not detected below 0.001 mg/l Method Detection Limit , sample collected Jun 27, 2000, sampling point DS000 Lead 1030 Not recorded
Collected
Jun 27, 2000
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
000628-029L
Laboratory
MSDH Lab
0.004 mg/l , sample collected Jun 27, 2000, sampling point DS000 Copper, Free 1022 Not recorded
0.001 mg/l , sample collected Jun 27, 2000, sampling point DS000 Lead 1030 Not recorded

Routine (10).