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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

MS0140052 , Moore Bayou W/A #3

24 of the 57 analytes this system has been tested for have been detected at least once, across 257 samples on record.

The other 33 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 257 samples on record, detections range from May 14, 2002 to March 26, 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 Moore Bayou W/A #3, 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
TTHM 2950 Organic Chemical 68 of 70 results Jun 24, 2008 Mar 26, 2025
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 66 of 69 results Jun 24, 2008 Oct 7, 2024
Copper, Free 1022 Inorganic Chemical 55 of 55 results Jun 21, 2007 Aug 13, 2024
Lead 1030 Inorganic Chemical 46 of 55 results Jun 21, 2007 Aug 13, 2024
Bromoform 2942 Organic Chemical 36 of 38 results Jun 24, 2008 Aug 31, 2020
Bromodichloromethane 2943 Organic Chemical 36 of 38 results Jun 24, 2008 Aug 31, 2020
Dibromochloromethane 2944 Organic Chemical 36 of 38 results Jun 24, 2008 Aug 31, 2020
Dibromoacetic Acid 2454 Organic Chemical 35 of 37 results Jun 24, 2008 Aug 31, 2020
Chloroform 2941 Organic Chemical 35 of 38 results Jun 24, 2008 Aug 31, 2020
Trichloroacetic Acid 2452 Organic Chemical 28 of 37 results Jun 24, 2008 Aug 31, 2020
Dichloroacetic Acid 2451 Organic Chemical 24 of 37 results Jun 24, 2008 Aug 31, 2020
Monobromoacetic Acid 2453 Organic Chemical 14 of 37 results May 19, 2016 Dec 2, 2019
Barium 1010 Inorganic Chemical 13 of 13 results May 14, 2002 Feb 3, 2025
Fluoride 1025 Inorganic Chemical 12 of 12 results May 14, 2002 Feb 3, 2025
Selenium 1045 Inorganic Chemical 11 of 13 results Sep 3, 2003 May 9, 2022
Arsenic 1005 Inorganic Chemical 10 of 13 results Jan 26, 2004 May 9, 2022
Chromium 1020 Inorganic Chemical 7 of 13 results May 14, 2002 Feb 3, 2025
Nickel 1036 Inorganic Chemical 5 of 13 results May 14, 2002 Apr 21, 2014
Gross Alpha, Incl. Radon & U 4002 Radionuclide 5 of 5 results Dec 12, 2011 Jul 11, 2012
Combined Radium (-226 & -228) 4010 Radionuclide 5 of 5 results Dec 12, 2011 Jul 11, 2012
Radium-226 4020 Radionuclide 5 of 5 results Dec 12, 2011 Jul 11, 2012
Sodium 1052 Inorganic Chemical 2 of 2 results Sep 24, 2019 Sep 24, 2019
Monochloroacetic Acid 2450 Organic Chemical 2 of 37 results Nov 21, 2017 Nov 21, 2017
Xylenes, Total 2955 Organic Chemical 1 of 18 results Jul 28, 2008 Jul 28, 2008

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 257 samples, newest first — collected June 26, 2018 to November 19, 2018. The summary above covers all 257.

69 results from the 10 samples listed here: 31 detected, 38 not detected. Across the whole record it is 557 of 1,176. A sample is analysed for many analytes at once, so one sample appears on as many rows as it had results.

We withheld the location of 2 sampling points below. The location on record identifies a private home, and we do not publish those. That is our decision, not the agency’s. The sampling point, its type and every result taken there are published unchanged.

Chemical and radiological sample results for Moore Bayou W/A #3, every result from 111 to 120 of 257 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
Nov 19, 2018 02:10
Sampling point
SMT Location withheld
Sample type
Routine
Lab sample
181120-002HA
Laboratory
MSDH Lab
Not detected below 0.002 mg/l Minimum Reporting Level , sample collected Nov 19, 2018 02:10, sampling point SMT Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Nov 19, 2018 02:10, sampling point SMT Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Nov 19, 2018 02:10, sampling point SMT Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Nov 19, 2018 02:10, sampling point SMT Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
0.012 mg/l , sample collected Nov 19, 2018 02:10, sampling point SMT Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
0.012 mg/l , sample collected Nov 19, 2018 02:10, sampling point SMT Total Haloacetic Acids (Haa5) 2456 Oct 1, 2018 – Dec 31, 2018
Collected
Nov 19, 2018 03:00
Sampling point
SMH Location withheld
Sample type
Routine
Lab sample
181120-001HA
Laboratory
MSDH Lab
Not detected below 0.002 mg/l Minimum Reporting Level , sample collected Nov 19, 2018 03:00, sampling point SMH Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Nov 19, 2018 03:00, sampling point SMH Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Nov 19, 2018 03:00, sampling point SMH Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
0.001 mg/l , sample collected Nov 19, 2018 03:00, sampling point SMH Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
0.014 mg/l , sample collected Nov 19, 2018 03:00, sampling point SMH Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
0.015 mg/l , sample collected Nov 19, 2018 03:00, sampling point SMH Total Haloacetic Acids (Haa5) 2456 Oct 1, 2018 – Dec 31, 2018
Collected
Sep 24, 2018 04:00
Sampling point
TF101
Sample type
Routine
Lab sample
180925-017IN
Laboratory
MSDH Lab
0.0018 mg/l , sample collected Sep 24, 2018 04:00, sampling point TF101 Arsenic 1005 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
0.0162 mg/l , sample collected Sep 24, 2018 04:00, sampling point TF101 Barium 1010 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Sep 24, 2018 04:00, sampling point TF101 Cadmium 1015 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
0.0079 mg/l , sample collected Sep 24, 2018 04:00, sampling point TF101 Chromium 1020 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
0.493 mg/l , sample collected Sep 24, 2018 04:00, sampling point TF101 Fluoride 1025 EPA method 300.0 Jan 1, 2017 – Dec 31, 2019
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Sep 24, 2018 04:00, sampling point TF101 Mercury 1035 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Sep 24, 2018 04:00, sampling point TF101 Nickel 1036 EPA method 200.8 Not recorded
0.0084 mg/l , sample collected Sep 24, 2018 04:00, sampling point TF101 Selenium 1045 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Sep 24, 2018 04:00, sampling point TF101 Antimony, Total 1074 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Sep 24, 2018 04:00, sampling point TF101 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Sep 24, 2018 04:00, sampling point TF101 Thallium, Total 1085 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Collected
Sep 5, 2018 14:10
Sampling point
TF101
Sample type
Routine
Lab sample
180906-007VO
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 5, 2018 14:10, sampling point TF101 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Jan 1, 2013 – Dec 31, 2018
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 5, 2018 14:10, sampling point TF101 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Jan 1, 2013 – Dec 31, 2018
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 5, 2018 14:10, sampling point TF101 Xylenes, Total 2955 EPA method 524.2 Jan 1, 2013 – Dec 31, 2018
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 5, 2018 14:10, sampling point TF101 Dichloromethane 2964 EPA method 524.2 Jan 1, 2013 – Dec 31, 2018
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 5, 2018 14:10, sampling point TF101 O-Dichlorobenzene 2968 EPA method 524.2 Jan 1, 2013 – Dec 31, 2018
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 5, 2018 14:10, sampling point TF101 P-Dichlorobenzene 2969 EPA method 524.2 Jan 1, 2013 – Dec 31, 2018
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 5, 2018 14:10, sampling point TF101 Vinyl Chloride 2976 EPA method 524.2 Jan 1, 2013 – Dec 31, 2018
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 5, 2018 14:10, sampling point TF101 1,1-Dichloroethylene 2977 EPA method 524.2 Jan 1, 2013 – Dec 31, 2018
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 5, 2018 14:10, sampling point TF101 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Jan 1, 2013 – Dec 31, 2018
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 5, 2018 14:10, sampling point TF101 1,2-Dichloroethane 2980 EPA method 524.2 Jan 1, 2013 – Dec 31, 2018
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 5, 2018 14:10, sampling point TF101 1,1,1-Trichloroethane 2981 EPA method 524.2 Jan 1, 2013 – Dec 31, 2018
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 5, 2018 14:10, sampling point TF101 Carbon Tetrachloride 2982 EPA method 524.2 Jan 1, 2013 – Dec 31, 2018
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 5, 2018 14:10, sampling point TF101 1,2-Dichloropropane 2983 EPA method 524.2 Jan 1, 2013 – Dec 31, 2018
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 5, 2018 14:10, sampling point TF101 Trichloroethylene 2984 EPA method 524.2 Jan 1, 2013 – Dec 31, 2018
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 5, 2018 14:10, sampling point TF101 1,1,2-Trichloroethane 2985 EPA method 524.2 Jan 1, 2013 – Dec 31, 2018
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 5, 2018 14:10, sampling point TF101 Tetrachloroethylene 2987 EPA method 524.2 Jan 1, 2013 – Dec 31, 2018
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 5, 2018 14:10, sampling point TF101 Chlorobenzene 2989 EPA method 524.2 Jan 1, 2013 – Dec 31, 2018
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 5, 2018 14:10, sampling point TF101 Benzene 2990 EPA method 524.2 Jan 1, 2013 – Dec 31, 2018
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 5, 2018 14:10, sampling point TF101 Toluene 2991 EPA method 524.2 Jan 1, 2013 – Dec 31, 2018
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 5, 2018 14:10, sampling point TF101 Ethylbenzene 2992 EPA method 524.2 Jan 1, 2013 – Dec 31, 2018
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 5, 2018 14:10, sampling point TF101 Styrene 2996 EPA method 524.2 Jan 1, 2013 – Dec 31, 2018
Collected
Aug 21, 2018 02:15
Sampling point
SMT Location withheld
Sample type
Routine
Lab sample
180822-005HA
Laboratory
MSDH Lab
Not detected below 0.002 mg/l Minimum Reporting Level , sample collected Aug 21, 2018 02:15, sampling point SMT Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
0.002 mg/l , sample collected Aug 21, 2018 02:15, sampling point SMT Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
0.002 mg/l , sample collected Aug 21, 2018 02:15, sampling point SMT Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Aug 21, 2018 02:15, sampling point SMT Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
0.015 mg/l , sample collected Aug 21, 2018 02:15, sampling point SMT Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
0.019 mg/l , sample collected Aug 21, 2018 02:15, sampling point SMT Total Haloacetic Acids (Haa5) 2456 Jul 1, 2018 – Sep 30, 2018
Collected
Aug 21, 2018 01:10
Sampling point
SMH Location withheld
Sample type
Routine
Lab sample
180822-004HA
Laboratory
MSDH Lab
Not detected below 0.002 mg/l Minimum Reporting Level , sample collected Aug 21, 2018 01:10, sampling point SMH Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
0.002 mg/l , sample collected Aug 21, 2018 01:10, sampling point SMH Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
0.002 mg/l , sample collected Aug 21, 2018 01:10, sampling point SMH Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
0.001 mg/l , sample collected Aug 21, 2018 01:10, sampling point SMH Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
0.018 mg/l , sample collected Aug 21, 2018 01:10, sampling point SMH Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
0.023 mg/l , sample collected Aug 21, 2018 01:10, sampling point SMH Total Haloacetic Acids (Haa5) 2456 Jul 1, 2018 – Sep 30, 2018
Collected
Aug 21, 2018 02:15
Sampling point
SMT Location withheld
Sample type
Routine
Lab sample
180822-005TH
Laboratory
MSDH Lab
4.76 ug/l , sample collected Aug 21, 2018 02:15, sampling point SMT Chloroform 2941 EPA method 524.2 Not recorded
44.9 ug/l , sample collected Aug 21, 2018 02:15, sampling point SMT Bromoform 2942 EPA method 524.2 Not recorded
13.6 ug/l , sample collected Aug 21, 2018 02:15, sampling point SMT Bromodichloromethane 2943 EPA method 524.2 Not recorded
37.9 ug/l , sample collected Aug 21, 2018 02:15, sampling point SMT Dibromochloromethane 2944 EPA method 524.2 Not recorded
101.2 ug/l , sample collected Aug 21, 2018 02:15, sampling point SMT TTHM 2950 Jul 1, 2018 – Sep 30, 2018
Collected
Aug 21, 2018 01:10
Sampling point
SMH Location withheld
Sample type
Routine
Lab sample
180822-004TH
Laboratory
MSDH Lab
4.84 ug/l , sample collected Aug 21, 2018 01:10, sampling point SMH Chloroform 2941 EPA method 524.2 Not recorded
53.2 ug/l , sample collected Aug 21, 2018 01:10, sampling point SMH Bromoform 2942 EPA method 524.2 Not recorded
14.8 ug/l , sample collected Aug 21, 2018 01:10, sampling point SMH Bromodichloromethane 2943 EPA method 524.2 Not recorded
41.5 ug/l , sample collected Aug 21, 2018 01:10, sampling point SMH Dibromochloromethane 2944 EPA method 524.2 Not recorded
114.3 ug/l , sample collected Aug 21, 2018 01:10, sampling point SMH TTHM 2950 Jul 1, 2018 – Sep 30, 2018
Collected
Jul 16, 2018 12:45
Sampling point
TF101
Sample type
Routine
Lab sample
180717-014RU
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jul 16, 2018 12:45, sampling point TF101 Combined Uranium 4006 EPA method 200.8 Jan 1, 2013 – Dec 31, 2021
Collected
Jun 26, 2018 07:03
Sampling point
DS000
Sample type
Routine
Lab sample
180627-068PB
Laboratory
MSDH Lab
0.4276 mg/l , sample collected Jun 26, 2018 07:03, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2016 – Dec 31, 2018
0.0034 mg/l , sample collected Jun 26, 2018 07:03, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2016 – Dec 31, 2018

Routine (10).