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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

MS0420004 , Morgan City Water & Sewer Assn

30 of the 73 analytes this system has been tested for have been detected at least once, across 114 samples on record.

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 114 samples on record, detections range from October 1, 2003 to March 17, 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 Morgan City Water & Sewer 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 35 of 36 results Sep 22, 2004 Sep 11, 2023
Lead 1030 Inorganic Chemical 21 of 36 results Sep 22, 2004 Sep 11, 2023
Barium 1010 Inorganic Chemical 11 of 11 results Oct 1, 2003 Mar 17, 2025
Fluoride 1025 Inorganic Chemical 11 of 12 results Oct 1, 2003 Mar 17, 2025
Chromium 1020 Inorganic Chemical 5 of 11 results Oct 1, 2003 Mar 1, 2016
Sodium 1052 Inorganic Chemical 4 of 4 results May 18, 2010 Feb 12, 2025
TTHM 2950 Organic Chemical 4 of 8 results Jun 30, 2004 Feb 12, 2025
Sulfate 1055 Inorganic Chemical 4 of 4 results Oct 1, 2003 May 18, 2010
Nitrite 1041 Inorganic Chemical 2 of 22 results Aug 24, 2005 Mar 17, 2025
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 2 of 8 results Sep 29, 2009 Feb 12, 2025
Dichloroacetic Acid 2451 Organic Chemical 2 of 5 results Aug 23, 2007 Sep 29, 2009
Chloroform 2941 Organic Chemical 2 of 5 results Aug 23, 2007 Sep 29, 2009
Gross Alpha Particle Activity 4109 Radionuclide 1 of 4 results Sep 19, 2012 Sep 19, 2012
Calcium 1016 Inorganic Chemical 1 of 1 result May 18, 2010 May 18, 2010
Chloride 1017 Inorganic Chemical 1 of 1 result May 18, 2010 May 18, 2010
Manganese 1032 Inorganic Chemical 1 of 1 result May 18, 2010 May 18, 2010
Potassium 1042 Inorganic Chemical 1 of 1 result May 18, 2010 May 18, 2010
Residue, Total, Filterable 1057 Water Quality 1 of 1 result May 18, 2010 May 18, 2010
Alkalinity, Caco3 Stability 1067 Water Quality 1 of 1 result May 18, 2010 May 18, 2010
Carbon Dioxide 1901 Water Quality 1 of 1 result May 18, 2010 May 18, 2010
Color 1905 Water Quality 1 of 1 result May 18, 2010 May 18, 2010
Hardness, Total (As Caco3) 1915 Water Quality 1 of 1 result May 18, 2010 May 18, 2010
Alkalinity, Total 1927 Water Quality 1 of 1 result May 18, 2010 May 18, 2010
Calculated Sodium NACA Water Quality 1 of 1 result May 18, 2010 May 18, 2010
PH, Field Result PHFD Water Quality 1 of 1 result May 18, 2010 May 18, 2010
Trichloroacetic Acid 2452 Organic Chemical 1 of 5 results Sep 29, 2009 Sep 29, 2009
Bromodichloromethane 2943 Organic Chemical 1 of 5 results Sep 29, 2009 Sep 29, 2009
Nickel 1036 Inorganic Chemical 1 of 11 results Feb 27, 2006 Feb 27, 2006
Dichloromethane 2964 Organic Chemical 1 of 7 results Aug 11, 2004 Aug 11, 2004
Selenium 1045 Inorganic Chemical 1 of 11 results Mar 3, 2004 Mar 3, 2004

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 1–10 of 114 samples, newest first — collected September 11, 2023 to September 10, 2025. The summary above covers all 114.

27 results from the 10 samples listed here: 8 detected, 19 not detected. Across the whole record it is 121 of 521. 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 Morgan City Water & Sewer Assn, every result from 1 to 10 of 114 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
Sep 10, 2025 15:35
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
CN-250911-004
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Sep 10, 2025 15:35, sampling point TF102 Cyanide 1024 EPA method QC10204001X Jan 1, 2023 – Dec 31, 2025
Collected
Mar 17, 2025 13:40
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
IN-250318-057
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 17, 2025 13:40, sampling point TF102 Arsenic 1005 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.0047 mg/l , sample collected Mar 17, 2025 13:40, sampling point TF102 Barium 1010 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 17, 2025 13:40, sampling point TF102 Cadmium 1015 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 17, 2025 13:40, sampling point TF102 Chromium 1020 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.148 mg/l , sample collected Mar 17, 2025 13:40, sampling point TF102 Fluoride 1025 EPA method QC 10-109-12-2-A Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 17, 2025 13:40, sampling point TF102 Mercury 1035 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 17, 2025 13:40, sampling point TF102 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected Mar 17, 2025 13:40, sampling point TF102 Selenium 1045 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 17, 2025 13:40, sampling point TF102 Antimony, Total 1074 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 17, 2025 13:40, sampling point TF102 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 17, 2025 13:40, sampling point TF102 Thallium, Total 1085 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Mar 17, 2025 13:40
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
NI-250318-009
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Mar 17, 2025 13:40, sampling point TF102 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Mar 17, 2025 13:40, sampling point TF102 Nitrate 1040 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
0.0606 mg/l , sample collected Mar 17, 2025 13:40, sampling point TF102 Nitrite 1041 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Collected
Feb 12, 2025 00:40
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
NA-250213-007
Laboratory
MSDH Lab
91.7 mg/l , sample collected Feb 12, 2025 00:40, sampling point TF102 Sodium 1052 EPA method 200.7 Jan 1, 2023 – Dec 31, 2025
Collected
Feb 12, 2025 13:08
Sampling point
SMD Location withheld
Sample type
Routine
Lab sample
HA-250213-008
Laboratory
MSDH Lab
11.6 ug/l , sample collected Feb 12, 2025 13:08, sampling point SMD Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Jan 1, 2023 – Dec 31, 2025
Collected
Feb 12, 2025 13:08
Sampling point
SMD Location withheld
Sample type
Routine
Lab sample
TH-250213-008
Laboratory
MSDH Lab
14.9 ug/l , sample collected Feb 12, 2025 13:08, sampling point SMD TTHM 2950 EPA method 524.2 Jan 1, 2023 – Dec 31, 2025
Collected
Mar 25, 2024 15:01
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
NI-240326-001
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Mar 25, 2024 15:01, sampling point TF102 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2024 – Dec 31, 2024
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Mar 25, 2024 15:01, sampling point TF102 Nitrate 1040 EPA method QC10107041C Jan 1, 2024 – Dec 31, 2024
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Mar 25, 2024 15:01, sampling point TF102 Nitrite 1041 EPA method QC10107041C Jan 1, 2024 – Dec 31, 2024
Collected
Jan 8, 2024 14:20
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
RU-240109-031
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jan 8, 2024 14:20, sampling point TF102 Combined Uranium 4006 EPA method 200.8 Jan 1, 2021 – Dec 31, 2029
Collected
Oct 25, 2023 14:15
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
NI-231026-011
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Oct 25, 2023 14:15, sampling point TF102 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2023 – Dec 31, 2023
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Oct 25, 2023 14:15, sampling point TF102 Nitrate 1040 EPA method QC10107041C Jan 1, 2023 – Dec 31, 2023
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Oct 25, 2023 14:15, sampling point TF102 Nitrite 1041 EPA method QC10107041C Jan 1, 2023 – Dec 31, 2023
Collected
Sep 11, 2023 06:09
Sampling point
LC0001 Location withheld
Sample type
Routine
Lab sample
PB-230913-094
Laboratory
MSDH Lab
0.111 mg/l , sample collected Sep 11, 2023 06:09, sampling point LC0001 Copper, Free 1022 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
0.5 ug/l , sample collected Sep 11, 2023 06:09, sampling point LC0001 Lead 1030 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023

Routine (10).