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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

MS0520005 , Mashulaville Water District Inc

19 of the 57 analytes this system has been tested for have been detected at least once, across 215 samples on record.

The other 38 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 215 samples on record, detections range from March 17, 2004 to March 17, 2025. These figures cover the whole record; the list of samples further down is narrowed.

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 Mashulaville Water District Inc, 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 60 of 60 results Aug 7, 2008 Sep 14, 2023
Lead 1030 Inorganic Chemical 31 of 60 results Aug 7, 2008 Sep 14, 2023
Barium 1010 Inorganic Chemical 18 of 18 results Mar 17, 2004 Mar 17, 2025
Fluoride 1025 Inorganic Chemical 18 of 18 results Mar 17, 2004 Mar 17, 2025
Arsenic 1005 Inorganic Chemical 16 of 18 results Mar 17, 2004 Mar 17, 2025
Nickel 1036 Inorganic Chemical 13 of 18 results Nov 15, 2004 Mar 17, 2025
Chromium 1020 Inorganic Chemical 12 of 18 results Dec 19, 2005 Oct 19, 2022
Gross Alpha, Incl. Radon & U 4002 Radionuclide 10 of 10 results Dec 15, 2011 Jul 20, 2012
Combined Radium (-226 & -228) 4010 Radionuclide 10 of 10 results Dec 15, 2011 Jul 20, 2012
Radium-226 4020 Radionuclide 10 of 10 results Dec 15, 2011 Jul 20, 2012
Radium-228 4030 Radionuclide 10 of 10 results Dec 15, 2011 Jul 20, 2012
Selenium 1045 Inorganic Chemical 8 of 18 results Mar 17, 2004 Mar 17, 2025
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 7 of 9 results Jun 14, 2007 Mar 13, 2024
Sodium 1052 Inorganic Chemical 6 of 6 results Sep 18, 2019 Mar 4, 2025
TTHM 2950 Organic Chemical 6 of 9 results Jun 14, 2007 Mar 13, 2024
Dibromoacetic Acid 2454 Organic Chemical 3 of 5 results Sep 24, 2009 Jul 23, 2014
Bromoform 2942 Organic Chemical 2 of 6 results Sep 24, 2009 Sep 12, 2011
Xylenes, Total 2955 Organic Chemical 1 of 34 results Jul 18, 2018 Jul 18, 2018
Dichloroacetic Acid 2451 Organic Chemical 1 of 5 results Sep 12, 2011 Sep 12, 2011

Showing samples collected between September 25, 2024 and September 25, 2026. That is this page’s default, not a limit on what the agency records.

Show every sample on record

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The most recent samples, result by result

The 9 samples collected between September 25, 2024 and September 25, 2026 are listed below, newest first.

53 results from the 9 samples listed here: 12 detected, 41 not detected. 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 Mashulaville Water District Inc, every result from the 9 samples on record, 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 23, 2025 12:30
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
CN-250924-004
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Sep 23, 2025 12:30, sampling point TF102 Cyanide 1024 EPA method QC10204001X Jan 1, 2023 – Dec 31, 2025
Collected
Sep 23, 2025 12:30
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
CN-250924-003
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Sep 23, 2025 12:30, sampling point TF101 Cyanide 1024 EPA method QC10204001X Jan 1, 2023 – Dec 31, 2025
Collected
Mar 27, 2025 13:10
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
NI-250328-007
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Mar 27, 2025 13:10, 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 27, 2025 13:10, sampling point TF102 Nitrate 1040 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Mar 27, 2025 13:10, sampling point TF102 Nitrite 1041 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Collected
Mar 27, 2025 13:15
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
NI-250328-006
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Mar 27, 2025 13:15, sampling point TF101 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 27, 2025 13:15, sampling point TF101 Nitrate 1040 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Mar 27, 2025 13:15, sampling point TF101 Nitrite 1041 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Collected
Mar 17, 2025 09:00
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
IN-250318-021
Laboratory
MSDH Lab
0.0037 mg/l , sample collected Mar 17, 2025 09:00, sampling point TF102 Arsenic 1005 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.19 mg/l , sample collected Mar 17, 2025 09:00, 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 09:00, 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 09:00, sampling point TF102 Chromium 1020 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.379 mg/l , sample collected Mar 17, 2025 09:00, 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 09:00, sampling point TF102 Mercury 1035 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.0005 mg/l , sample collected Mar 17, 2025 09:00, sampling point TF102 Nickel 1036 EPA method 200.8 Not recorded
0.0027 mg/l , sample collected Mar 17, 2025 09:00, 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 09:00, 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 09:00, 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 09:00, sampling point TF102 Thallium, Total 1085 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Mar 17, 2025 09:10
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
IN-250318-020
Laboratory
MSDH Lab
0.0034 mg/l , sample collected Mar 17, 2025 09:10, sampling point TF101 Arsenic 1005 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.19 mg/l , sample collected Mar 17, 2025 09:10, sampling point TF101 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 09:10, sampling point TF101 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 09:10, sampling point TF101 Chromium 1020 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.393 mg/l , sample collected Mar 17, 2025 09:10, sampling point TF101 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 09:10, sampling point TF101 Mercury 1035 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.0006 mg/l , sample collected Mar 17, 2025 09:10, sampling point TF101 Nickel 1036 EPA method 200.8 Not recorded
0.0027 mg/l , sample collected Mar 17, 2025 09:10, sampling point TF101 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 09:10, sampling point TF101 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 09:10, sampling point TF101 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 09:10, sampling point TF101 Thallium, Total 1085 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Mar 4, 2025 12:15
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
NA-250305-023
Laboratory
MSDH Lab
174 mg/l , sample collected Mar 4, 2025 12:15, sampling point TF102 Sodium 1052 EPA method 200.7 Jan 1, 2023 – Dec 31, 2025
Collected
Mar 4, 2025 12:30
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
NA-250305-024
Laboratory
MSDH Lab
174 mg/l , sample collected Mar 4, 2025 12:30, sampling point TF101 Sodium 1052 EPA method 200.7 Jan 1, 2023 – Dec 31, 2025
Collected
Mar 4, 2025 13:10
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
VO-250305-013
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 4, 2025 13:10, sampling point TF101 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Jan 1, 2025 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 4, 2025 13:10, sampling point TF101 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Jan 1, 2025 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 4, 2025 13:10, sampling point TF101 Xylenes, Total 2955 EPA method 524.2 Jan 1, 2025 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 4, 2025 13:10, sampling point TF101 Dichloromethane 2964 EPA method 524.2 Jan 1, 2025 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 4, 2025 13:10, sampling point TF101 O-Dichlorobenzene 2968 EPA method 524.2 Jan 1, 2025 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 4, 2025 13:10, sampling point TF101 P-Dichlorobenzene 2969 EPA method 524.2 Jan 1, 2025 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 4, 2025 13:10, sampling point TF101 Vinyl Chloride 2976 EPA method 524.2 Jan 1, 2025 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 4, 2025 13:10, sampling point TF101 1,1-Dichloroethylene 2977 EPA method 524.2 Jan 1, 2025 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 4, 2025 13:10, sampling point TF101 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Jan 1, 2025 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 4, 2025 13:10, sampling point TF101 1,2-Dichloroethane 2980 EPA method 524.2 Jan 1, 2025 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 4, 2025 13:10, sampling point TF101 1,1,1-Trichloroethane 2981 EPA method 524.2 Jan 1, 2025 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 4, 2025 13:10, sampling point TF101 Carbon Tetrachloride 2982 EPA method 524.2 Jan 1, 2025 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 4, 2025 13:10, sampling point TF101 1,2-Dichloropropane 2983 EPA method 524.2 Jan 1, 2025 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 4, 2025 13:10, sampling point TF101 Trichloroethylene 2984 EPA method 524.2 Jan 1, 2025 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 4, 2025 13:10, sampling point TF101 1,1,2-Trichloroethane 2985 EPA method 524.2 Jan 1, 2025 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 4, 2025 13:10, sampling point TF101 Tetrachloroethylene 2987 EPA method 524.2 Jan 1, 2025 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 4, 2025 13:10, sampling point TF101 Chlorobenzene 2989 EPA method 524.2 Jan 1, 2025 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 4, 2025 13:10, sampling point TF101 Benzene 2990 EPA method 524.2 Jan 1, 2025 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 4, 2025 13:10, sampling point TF101 Toluene 2991 EPA method 524.2 Jan 1, 2025 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 4, 2025 13:10, sampling point TF101 Ethylbenzene 2992 EPA method 524.2 Jan 1, 2025 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 4, 2025 13:10, sampling point TF101 Styrene 2996 EPA method 524.2 Jan 1, 2025 – Dec 31, 2025

Routine (9).