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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

MS0730026 , Mud Creek Water Association #4

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

The other 37 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 November 5, 2003 to September 16, 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 Mud Creek Water Association #4, 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 135 of 135 results Oct 6, 2004 Sep 16, 2025
Lead 1030 Inorganic Chemical 82 of 135 results Oct 6, 2004 Sep 16, 2025
Barium 1010 Inorganic Chemical 10 of 10 results Nov 5, 2003 May 12, 2025
Fluoride 1025 Inorganic Chemical 10 of 10 results Nov 5, 2003 May 12, 2025
Chromium 1020 Inorganic Chemical 6 of 10 results Apr 5, 2004 May 12, 2025
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 5 of 11 results Jul 12, 2010 Sep 8, 2025
Gross Alpha, Incl. Radon & U 4002 Radionuclide 5 of 5 results Dec 14, 2011 Jul 17, 2012
TTHM 2950 Organic Chemical 4 of 10 results Sep 20, 2007 Sep 8, 2025
Sodium 1052 Inorganic Chemical 2 of 2 results Sep 25, 2019 Apr 6, 2023
Sulfate 1055 Inorganic Chemical 2 of 2 results Nov 5, 2003 Apr 5, 2004
Bromoform 2942 Organic Chemical 1 of 5 results Sep 8, 2025 Sep 8, 2025
Bromodichloromethane 2943 Organic Chemical 1 of 5 results Sep 8, 2025 Sep 8, 2025
Dibromochloromethane 2944 Organic Chemical 1 of 5 results Sep 8, 2025 Sep 8, 2025
Nickel 1036 Inorganic Chemical 1 of 10 results May 12, 2025 May 12, 2025
Monobromoacetic Acid 2453 Organic Chemical 1 of 4 results Oct 29, 2020 Oct 29, 2020
Xylenes, Total 2955 Organic Chemical 1 of 8 results Sep 14, 2016 Sep 14, 2016
Ethylbenzene 2992 Organic Chemical 1 of 8 results Sep 14, 2016 Sep 14, 2016
Arsenic 1005 Inorganic Chemical 1 of 10 results Mar 3, 2010 Mar 3, 2010
Selenium 1045 Inorganic Chemical 1 of 10 results Mar 3, 2010 Mar 3, 2010
Nitrite 1041 Inorganic Chemical 1 of 21 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 21–30 of 215 samples, newest first — collected June 14, 2023 to September 30, 2024. The summary above covers all 215.

17 results from the 10 samples listed here: 9 detected, 8 not detected. Across the whole record it is 271 of 711. 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 4 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 Mud Creek Water Association #4, every result from 21 to 30 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
Sep 30, 2024 08:00
Sampling point
LC0002 Location withheld
Sample type
Routine
Lab sample
PB-241001-102
Laboratory
MSDH Lab
0.0135 mg/l , sample collected Sep 30, 2024 08:00, sampling point LC0002 Copper, Free 1022 EPA method 200.8 Jan 1, 2024 – Dec 31, 2024
2 ug/l , sample collected Sep 30, 2024 08:00, sampling point LC0002 Lead 1030 EPA method 200.8 Jan 1, 2024 – Dec 31, 2024
Collected
Sep 30, 2024 08:00
Sampling point
LC0014 Location withheld
Sample type
Routine
Lab sample
PB-241001-103
Laboratory
MSDH Lab
0.0504 mg/l , sample collected Sep 30, 2024 08:00, sampling point LC0014 Copper, Free 1022 EPA method 200.8 Jan 1, 2024 – Dec 31, 2024
1.1 ug/l , sample collected Sep 30, 2024 08:00, sampling point LC0014 Lead 1030 EPA method 200.8 Jan 1, 2024 – Dec 31, 2024
Collected
Sep 30, 2024 08:00
Sampling point
LC0008 Location withheld
Sample type
Routine
Lab sample
PB-241001-101
Laboratory
MSDH Lab
0.0637 mg/l , sample collected Sep 30, 2024 08:00, sampling point LC0008 Copper, Free 1022 EPA method 200.8 Jan 1, 2024 – Dec 31, 2024
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 30, 2024 08:00, sampling point LC0008 Lead 1030 EPA method 200.8 Jan 1, 2024 – Dec 31, 2024
Collected
Aug 12, 2024 13:35
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
HA-240813-001
Laboratory
MSDH Lab
1.44 ug/l , sample collected Aug 12, 2024 13:35, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Jan 1, 2024 – Dec 31, 2024
Collected
Aug 12, 2024 13:35
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
TH-240813-001
Laboratory
MSDH Lab
Not detected below 1 ug/l Minimum Reporting Level , sample collected Aug 12, 2024 13:35, sampling point MRT000 TTHM 2950 EPA method 524.2 Jan 1, 2024 – Dec 31, 2024
Collected
Apr 22, 2024 07:30
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
NI-240423-009
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Apr 22, 2024 07:30, sampling point TF101 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2024 – Dec 31, 2024
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Apr 22, 2024 07:30, sampling point TF101 Nitrate 1040 EPA method QC10107041C Jan 1, 2024 – Dec 31, 2024
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Apr 22, 2024 07:30, sampling point TF101 Nitrite 1041 EPA method QC10107041C Jan 1, 2024 – Dec 31, 2024
Collected
Aug 29, 2023 10:30
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
TH-230830-015
Laboratory
MSDH Lab
Not detected below 1 ug/l Minimum Reporting Level , sample collected Aug 29, 2023 10:30, sampling point MRT000 TTHM 2950 EPA method 524.2 Jan 1, 2023 – Dec 31, 2023
Collected
Aug 29, 2023 10:30
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
HA-230830-014
Laboratory
MSDH Lab
Not detected below 1 ug/l Minimum Reporting Level , sample collected Aug 29, 2023 10:30, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Jan 1, 2023 – Dec 31, 2023
Collected
Jun 14, 2023 05:00
Sampling point
TC0007 Outside Faucet
Sample type
Routine
Lab sample
PB-230620-012
Laboratory
MSDH Lab
0.0331 mg/l , sample collected Jun 14, 2023 05:00, sampling point TC0007 Copper, Free 1022 EPA method 200.8 Jan 1, 2023 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 14, 2023 05:00, sampling point TC0007 Lead 1030 EPA method 200.8 Jan 1, 2023 – Dec 31, 2023
Collected
Jun 14, 2023 06:05
Sampling point
LC0006 Location withheld
Sample type
Routine
Lab sample
PB-230620-017
Laboratory
MSDH Lab
0.0043 mg/l , sample collected Jun 14, 2023 06:05, sampling point LC0006 Copper, Free 1022 EPA method 200.8 Jan 1, 2023 – Dec 31, 2023
0.5 ug/l , sample collected Jun 14, 2023 06:05, sampling point LC0006 Lead 1030 EPA method 200.8 Jan 1, 2023 – Dec 31, 2023

Routine (10).