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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

MS0140051 , Moore Bayou W/A #2

23 of the 57 analytes this system has been tested for have been detected at least once, across 381 samples on record.

The other 34 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 381 samples on record, detections range from May 14, 2002 to February 3, 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 #2, 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 197 of 197 results Dec 16, 2003 Aug 30, 2023
Lead 1030 Inorganic Chemical 172 of 197 results Dec 16, 2003 Aug 30, 2023
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 56 of 62 results May 17, 2004 Aug 16, 2023
TTHM 2950 Organic Chemical 52 of 59 results May 17, 2004 Aug 16, 2023
Bromodichloromethane 2943 Organic Chemical 36 of 49 results Sep 12, 2006 Nov 14, 2017
Dibromochloromethane 2944 Organic Chemical 36 of 49 results Sep 12, 2006 Nov 14, 2017
Bromoform 2942 Organic Chemical 35 of 49 results Sep 12, 2006 Nov 14, 2017
Dibromoacetic Acid 2454 Organic Chemical 34 of 46 results Jan 29, 2008 Nov 14, 2017
Chloroform 2941 Organic Chemical 32 of 49 results Sep 12, 2006 Nov 14, 2017
Dichloroacetic Acid 2451 Organic Chemical 19 of 46 results Jul 7, 2009 Oct 27, 2014
Trichloroacetic Acid 2452 Organic Chemical 13 of 46 results Jul 7, 2009 Oct 27, 2014
Barium 1010 Inorganic Chemical 12 of 12 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 12 of 12 results May 14, 2002 Feb 3, 2025
Monobromoacetic Acid 2453 Organic Chemical 12 of 46 results Jan 29, 2008 Jul 7, 2014
Arsenic 1005 Inorganic Chemical 9 of 12 results Jan 26, 2004 Feb 3, 2025
Chromium 1020 Inorganic Chemical 9 of 12 results May 14, 2002 May 9, 2022
Monochloroacetic Acid 2450 Organic Chemical 5 of 46 results Oct 5, 2009 Jan 4, 2010
Nickel 1036 Inorganic Chemical 3 of 12 results Mar 1, 2005 Apr 21, 2014
Sodium 1052 Inorganic Chemical 2 of 2 results Feb 1, 2021 Oct 21, 2024
Nitrite 1041 Inorganic Chemical 2 of 23 results Apr 16, 2007 Mar 21, 2016
Cadmium 1015 Inorganic Chemical 1 of 12 results Mar 1, 2005 Mar 1, 2005
Sulfate 1055 Inorganic Chemical 1 of 3 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 31–40 of 381 samples, newest first — collected January 25, 2021 to April 18, 2022. The summary above covers all 381.

34 results from the 10 samples listed here: 6 detected, 28 not detected. Across the whole record it is 762 of 1,329. 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 #2, every result from 31 to 40 of 381 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
Apr 18, 2022 17:10
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
VO-220419-014
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 18, 2022 17:10, sampling point TF101 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 18, 2022 17:10, sampling point TF101 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 18, 2022 17:10, sampling point TF101 Xylenes, Total 2955 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 18, 2022 17:10, sampling point TF101 Dichloromethane 2964 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 18, 2022 17:10, sampling point TF101 O-Dichlorobenzene 2968 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 18, 2022 17:10, sampling point TF101 P-Dichlorobenzene 2969 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 18, 2022 17:10, sampling point TF101 Vinyl Chloride 2976 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 18, 2022 17:10, sampling point TF101 1,1-Dichloroethylene 2977 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 18, 2022 17:10, sampling point TF101 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 18, 2022 17:10, sampling point TF101 1,2-Dichloroethane 2980 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 18, 2022 17:10, sampling point TF101 1,1,1-Trichloroethane 2981 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 18, 2022 17:10, sampling point TF101 Carbon Tetrachloride 2982 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 18, 2022 17:10, sampling point TF101 1,2-Dichloropropane 2983 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 18, 2022 17:10, sampling point TF101 Trichloroethylene 2984 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 18, 2022 17:10, sampling point TF101 1,1,2-Trichloroethane 2985 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 18, 2022 17:10, sampling point TF101 Tetrachloroethylene 2987 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 18, 2022 17:10, sampling point TF101 Chlorobenzene 2989 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 18, 2022 17:10, sampling point TF101 Benzene 2990 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 18, 2022 17:10, sampling point TF101 Toluene 2991 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 18, 2022 17:10, sampling point TF101 Ethylbenzene 2992 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 18, 2022 17:10, sampling point TF101 Styrene 2996 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Collected
Feb 14, 2022 14:40
Sampling point
SMT Location withheld
Sample type
Routine
Lab sample
HA-220215-014
Laboratory
MSDH Lab
17.7 ug/l , sample collected Feb 14, 2022 14:40, sampling point SMT Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Not recorded
Collected
Feb 14, 2022 13:30
Sampling point
SMH Location withheld
Sample type
Routine
Lab sample
HA-220215-013
Laboratory
MSDH Lab
19.3 ug/l , sample collected Feb 14, 2022 13:30, sampling point SMH Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Not recorded
Collected
Jan 12, 2022 14:35
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
NI-220113-041
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Jan 12, 2022 14:35, sampling point TF101 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2022 – Dec 31, 2022
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Jan 12, 2022 14:35, sampling point TF101 Nitrate 1040 EPA method QC10107041C Jan 1, 2022 – Dec 31, 2022
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Jan 12, 2022 14:35, sampling point TF101 Nitrite 1041 EPA method QC10107041C Jan 1, 2022 – Dec 31, 2022
Collected
Apr 19, 2021 12:30
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
CN-210420-002
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Apr 19, 2021 12:30, sampling point TF101 Cyanide 1024 EPA method QC10204001X Jan 1, 2020 – Dec 31, 2022
Collected
Feb 1, 2021 10:10
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
NA-210202-018
Laboratory
MSDH Lab
201 mg/l , sample collected Feb 1, 2021 10:10, sampling point TF101 Sodium 1052 EPA method 200.7 Not recorded
Collected
Feb 1, 2021 10:10
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
NI-210202-004
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Feb 1, 2021 10:10, sampling point TF101 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2021 – Dec 31, 2021
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Feb 1, 2021 10:10, sampling point TF101 Nitrate 1040 EPA method QC10107041C Jan 1, 2021 – Dec 31, 2021
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Feb 1, 2021 10:10, sampling point TF101 Nitrite 1041 EPA method QC10107041C Jan 1, 2021 – Dec 31, 2021
Collected
Jan 25, 2021 12:10
Sampling point
SMH Location withheld
Sample type
Routine
Lab sample
TH-210126-001
Laboratory
MSDH Lab
54.6 ug/l , sample collected Jan 25, 2021 12:10, sampling point SMH TTHM 2950 EPA method 524.2 Not recorded
Collected
Jan 25, 2021 11:45
Sampling point
SMT Location withheld
Sample type
Routine
Lab sample
TH-210126-002
Laboratory
MSDH Lab
53.1 ug/l , sample collected Jan 25, 2021 11:45, sampling point SMT TTHM 2950 EPA method 524.2 Not recorded
Collected
Jan 25, 2021 11:45
Sampling point
SMT Location withheld
Sample type
Routine
Lab sample
HA-210126-002
Laboratory
MSDH Lab
15 ug/l , sample collected Jan 25, 2021 11:45, sampling point SMT Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Not recorded

Routine (10).