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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.

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

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 141–150 of 215 samples, newest first — collected March 21, 2011 to August 17, 2011. The summary above covers all 215.

21 results from the 10 samples listed here: 18 detected, 3 not detected. Across the whole record it is 242 of 1,301. 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 141 to 150 of 215 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
Aug 17, 2011
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
110818-054PB
Laboratory
MSDH Lab
0.0456 mg/l , sample collected Aug 17, 2011, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
0.0009 mg/l , sample collected Aug 17, 2011, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
Collected
Aug 17, 2011
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
110818-047PB
Laboratory
MSDH Lab
0.0655 mg/l , sample collected Aug 17, 2011, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
0.0006 mg/l , sample collected Aug 17, 2011, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
Collected
Aug 17, 2011
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
110818-046PB
Laboratory
MSDH Lab
0.012 mg/l , sample collected Aug 17, 2011, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
0.0005 mg/l , sample collected Aug 17, 2011, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
Collected
Aug 17, 2011
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
110818-010PB
Laboratory
MSDH Lab
0.05 mg/l , sample collected Aug 17, 2011, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
0.0007 mg/l , sample collected Aug 17, 2011, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
Collected
Aug 17, 2011
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
110818-009PB
Laboratory
MSDH Lab
0.0267 mg/l , sample collected Aug 17, 2011, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
0.0017 mg/l , sample collected Aug 17, 2011, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
Collected
Aug 17, 2011
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
110818-008PB
Laboratory
MSDH Lab
0.0057 mg/l , sample collected Aug 17, 2011, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
0.0009 mg/l , sample collected Aug 17, 2011, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
Collected
Aug 17, 2011
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
110818-007PB
Laboratory
MSDH Lab
0.0163 mg/l , sample collected Aug 17, 2011, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
0.0008 mg/l , sample collected Aug 17, 2011, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
Collected
Aug 17, 2011
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
110818-006PB
Laboratory
MSDH Lab
0.0258 mg/l , sample collected Aug 17, 2011, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
0.0014 mg/l , sample collected Aug 17, 2011, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
Collected
Aug 17, 2011
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
110818-005PB
Laboratory
MSDH Lab
0.031 mg/l , sample collected Aug 17, 2011, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
0.0017 mg/l , sample collected Aug 17, 2011, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
Collected
Mar 21, 2011
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
110322-107NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Mar 21, 2011, sampling point TF101 Nitrate-Nitrite 1038 EPA method 353.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Mar 21, 2011, sampling point TF101 Nitrate 1040 EPA method 353.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Mar 21, 2011, sampling point TF101 Nitrite 1041 EPA method 353.2 Jan 1, 2011 – Dec 31, 2011

Routine (10).