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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 121–130 of 215 samples, newest first — collected June 21, 2007 to June 24, 2010. The summary above covers all 215.

33 results from the 10 samples listed here: 11 detected, 22 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.

Chemical and radiological sample results for Mud Creek Water Association #4, every result from 121 to 130 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
Jun 24, 2010
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
100625-022PB
Laboratory
MSDH Lab
0.3216 mg/l , sample collected Jun 24, 2010, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 24, 2010, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
Collected
Jun 24, 2010
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
100625-021PB
Laboratory
MSDH Lab
0.3934 mg/l , sample collected Jun 24, 2010, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
0.0014 mg/l , sample collected Jun 24, 2010, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
Collected
Apr 15, 2010
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
100416-001CN
Laboratory
MSDH Lab
Not detected below 15 ug/l Minimum Reporting Level , sample collected Apr 15, 2010, sampling point TF101 Cyanide 1024 EPA method QC10204001X Jan 1, 2008 – Dec 31, 2010
Collected
Mar 3, 2010
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
100304-023IN
Laboratory
MSDH Lab
0.0006 mg/l , sample collected Mar 3, 2010, sampling point TF101 Arsenic 1005 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
0.0096 mg/l , sample collected Mar 3, 2010, sampling point TF101 Barium 1010 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
Not detected below 0.0001 mg/l Minimum Reporting Level , sample collected Mar 3, 2010, sampling point TF101 Cadmium 1015 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
0.0039 mg/l , sample collected Mar 3, 2010, sampling point TF101 Chromium 1020 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
0.927 mg/l , sample collected Mar 3, 2010, sampling point TF101 Fluoride 1025 EPA method 380-75WE Jan 1, 2008 – Dec 31, 2010
Not detected below 0.0002 mg/l Minimum Reporting Level , sample collected Mar 3, 2010, sampling point TF101 Mercury 1035 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 3, 2010, sampling point TF101 Nickel 1036 EPA method 200.8 Not recorded
0.0018 mg/l , sample collected Mar 3, 2010, sampling point TF101 Selenium 1045 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 3, 2010, sampling point TF101 Antimony, Total 1074 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
Not detected below 0.0001 mg/l Minimum Reporting Level , sample collected Mar 3, 2010, sampling point TF101 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 3, 2010, sampling point TF101 Thallium, Total 1085 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
Collected
Jun 10, 2009
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
090611-036NI
Laboratory
MSDH Lab
Not detected below 0.25 mg/l Minimum Reporting Level , sample collected Jun 10, 2009, sampling point TF101 Nitrate-Nitrite 1038 EPA method 353.2 Jan 1, 2009 – Dec 31, 2009
Not detected below 0.2 mg/l Minimum Reporting Level , sample collected Jun 10, 2009, sampling point TF101 Nitrate 1040 EPA method 353.2 Jan 1, 2009 – Dec 31, 2009
Not detected below 0.05 mg/l Minimum Reporting Level , sample collected Jun 10, 2009, sampling point TF101 Nitrite 1041 EPA method 353.2 Jan 1, 2009 – Dec 31, 2009
Collected
Jul 28, 2008
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
080729-079NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Jul 28, 2008, sampling point TF101 Nitrate-Nitrite 1038 EPA method 353.2 Jan 1, 2008 – Dec 31, 2008
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Jul 28, 2008, sampling point TF101 Nitrate 1040 EPA method 353.2 Jan 1, 2008 – Dec 31, 2008
0.02 mg/l , sample collected Jul 28, 2008, sampling point TF101 Nitrite 1041 EPA method 353.2 Jan 1, 2008 – Dec 31, 2008
Collected
Sep 20, 2007
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
070921-001HA
Laboratory
MSDH Lab
Not detected below 0.006 mg/l Minimum Reporting Level , sample collected Sep 20, 2007, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Jan 1, 2005 – Dec 31, 2007
Collected
Sep 20, 2007
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
070921-001TH
Laboratory
MSDH Lab
Not detected below 1 ug/l Minimum Reporting Level , sample collected Sep 20, 2007, sampling point MRT000 Chloroform 2941 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Sep 20, 2007, sampling point MRT000 Bromoform 2942 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Sep 20, 2007, sampling point MRT000 Bromodichloromethane 2943 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Sep 20, 2007, sampling point MRT000 Dibromochloromethane 2944 EPA method 524.2 Not recorded
0 This result is recorded as a detection, and the figure the agency wrote — "0.00" — is zero to the precision it was written to. Read the zero as "smaller than the written figure resolves", not as "none present". SDWIS holds a separate numeric concentration that Drinking Water Watch does not publish, so this endpoint does not carry it either; no more precise magnitude is available here. The agency recorded a value but no unit of measure for it. The unit is NOT inferable from the analyte: many analytes are reported in more than one unit — TTHM and HAA5 in both MG/L and UG/L — so there is no per-analyte default to fall back on. The number is published as it stands and must not be compared to a limit. The agency recorded which kind of limit this result was below, but stored 0.000000000 as the limit itself, which is not a level. The type is published and the value is null. What the limit was is not on record. Whether the result was a detection is a separate column: read resultType. , sample collected Sep 20, 2007, sampling point MRT000 TTHM 2950 EPA method 524.2 Jan 1, 2005 – Dec 31, 2007
Collected
Jul 18, 2007
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
070719-017NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Jul 18, 2007, sampling point TF101 Nitrate-Nitrite 1038 EPA method 353.2 Jan 1, 2007 – Dec 31, 2007
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Jul 18, 2007, sampling point TF101 Nitrate 1040 EPA method 353.2 Jan 1, 2007 – Dec 31, 2007
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Jul 18, 2007, sampling point TF101 Nitrite 1041 EPA method 353.2 Jan 1, 2007 – Dec 31, 2007
Collected
Jun 21, 2007
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
070622-481PB
Laboratory
MSDH Lab
0.0886 mg/l , sample collected Jun 21, 2007, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2007 – Dec 31, 2007
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 21, 2007, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2007 – Dec 31, 2007

Routine (10).