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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

MS0100002 , Choctaw Water Assn

12 of the 26 analytes this system has been tested for have been detected at least once, across 212 samples on record.

The other 14 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 212 samples on record, detections range from December 7, 1993 to September 16, 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 Choctaw 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 125 of 189 results Dec 7, 1993 Sep 16, 2025
Lead 1030 Inorganic Chemical 115 of 189 results Dec 7, 1993 Sep 16, 2025
TTHM 2950 Organic Chemical 11 of 11 results May 12, 2004 Mar 10, 2025
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 7 of 10 results Jun 5, 2007 Mar 10, 2025
Bromoform 2942 Organic Chemical 5 of 7 results Jun 23, 2008 May 15, 2019
Dibromochloromethane 2944 Organic Chemical 5 of 7 results Jun 23, 2008 May 15, 2019
Bromodichloromethane 2943 Organic Chemical 2 of 7 results Jun 23, 2011 May 15, 2019
Dibromoacetic Acid 2454 Organic Chemical 2 of 5 results Jun 23, 2011 Jul 16, 2014
Monochloroacetic Acid 2450 Organic Chemical 1 of 5 results Aug 7, 2017 Aug 7, 2017
Barium 1010 Inorganic Chemical 1 of 1 result Sep 8, 2003 Sep 8, 2003
Nickel 1036 Inorganic Chemical 1 of 1 result Sep 8, 2003 Sep 8, 2003
Beryllium, Total 1075 Inorganic Chemical 1 of 1 result 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 121–130 of 212 samples, newest first — collected May 12, 2004 to July 16, 2007. The summary above covers all 212.

21 results from the 10 samples listed here: 16 detected, 5 not detected. Across the whole record it is 276 of 465. A sample is analysed for many analytes at once, so one sample appears on as many rows as it had results.

Units in this table

TTHM is recorded on this page in ug/l and mg/l. 1 mg/l = 1,000 ug/l.

Chemical and radiological sample results for Choctaw Water Assn, every result from 121 to 130 of 212 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 16, 2007
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
070720-017PB
Laboratory
MSDH Lab
0.0328 mg/l , sample collected Jul 16, 2007, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
0.003 mg/l , sample collected Jul 16, 2007, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
Collected
Jul 16, 2007
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
070720-014PB
Laboratory
MSDH Lab
0.0526 mg/l , sample collected Jul 16, 2007, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
0.0015 mg/l , sample collected Jul 16, 2007, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
Collected
Jul 16, 2007
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
070720-015PB
Laboratory
MSDH Lab
0.0402 mg/l , sample collected Jul 16, 2007, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
0.0009 mg/l , sample collected Jul 16, 2007, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
Collected
Jul 16, 2007
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
070720-018PB
Laboratory
MSDH Lab
0.0689 mg/l , sample collected Jul 16, 2007, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
0.0037 mg/l , sample collected Jul 16, 2007, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
Collected
Jul 16, 2007
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
070720-013PB
Laboratory
MSDH Lab
0.0422 mg/l , sample collected Jul 16, 2007, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
0.0352 mg/l , sample collected Jul 16, 2007, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
Collected
Jul 16, 2007
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
070720-012PB
Laboratory
MSDH Lab
0.0135 mg/l , sample collected Jul 16, 2007, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
0.0013 mg/l , sample collected Jul 16, 2007, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
Collected
Jul 16, 2007
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
070720-019PB
Laboratory
MSDH Lab
0.0059 mg/l , sample collected Jul 16, 2007, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jul 16, 2007, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
Collected
Jun 5, 2007
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
070606-012TH
Laboratory
MSDH Lab
Not detected below 1 ug/l Minimum Reporting Level , sample collected Jun 5, 2007, sampling point MRT000 Chloroform 2941 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Jun 5, 2007, sampling point MRT000 Bromoform 2942 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Jun 5, 2007, sampling point MRT000 Bromodichloromethane 2943 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Jun 5, 2007, sampling point MRT000 Dibromochloromethane 2944 EPA method 524.2 Not recorded
0 This result is recorded as a detection, and the figure the agency wrote — "0.00" — is zero to the precision it was written to. Read the zero as "smaller than the written figure resolves", not as "none present". SDWIS holds a separate numeric concentration that Drinking Water Watch does not publish, so this endpoint does not carry it either; no more precise magnitude is available here. The agency recorded a value but no unit of measure for it. The unit is NOT inferable from the analyte: many analytes are reported in more than one unit — TTHM and HAA5 in both MG/L and UG/L — so there is no per-analyte default to fall back on. The number is published as it stands and must not be compared to a limit. 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 5, 2007, sampling point MRT000 TTHM 2950 EPA method 524.2 Jan 1, 2007 – Dec 31, 2007
Collected
Jun 5, 2007
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
070606-011HA
Laboratory
MSDH Lab
0.0015 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 5, 2007, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Jan 1, 2007 – Dec 31, 2007
Collected
May 12, 2004
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
040513-016TH
Laboratory
MSDH Lab
2.19 ug/l , sample collected May 12, 2004, sampling point MRT000 TTHM 2950 EPA method 524.2 Not recorded

Routine (10).