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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

MS0700006 , Mitchell Water Association

22 of the 57 analytes this system has been tested for have been detected at least once, across 203 samples on record.

The other 35 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 203 samples on record, detections range from October 29, 2003 to July 14, 2026. 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 Mitchell Water Association, 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 21, 2007 Aug 16, 2023
Barium 1010 Inorganic Chemical 22 of 22 results Oct 29, 2003 Jul 14, 2026
Nickel 1036 Inorganic Chemical 19 of 20 results Oct 29, 2003 Mar 31, 2025
Fluoride 1025 Inorganic Chemical 15 of 22 results Oct 29, 2003 Jul 14, 2026
Chromium 1020 Inorganic Chemical 12 of 22 results Oct 29, 2003 Mar 31, 2025
Lead 1030 Inorganic Chemical 12 of 60 results Aug 21, 2007 Aug 16, 2023
Gross Alpha, Incl. Radon & U 4002 Radionuclide 10 of 10 results Dec 6, 2011 Jul 10, 2012
Sodium 1052 Inorganic Chemical 6 of 6 results Sep 23, 2019 Jul 14, 2026
TTHM 2950 Organic Chemical 5 of 11 results Sep 11, 2007 Oct 29, 2025
Chloroform 2941 Organic Chemical 4 of 6 results Sep 11, 2007 Oct 29, 2025
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 4 of 10 results Jul 13, 2010 Jul 8, 2024
Sulfate 1055 Inorganic Chemical 4 of 4 results Oct 29, 2003 Apr 7, 2004
Nitrate-Nitrite 1038 Inorganic Chemical 3 of 44 results Apr 6, 2011 May 19, 2014
Nitrate 1040 Inorganic Chemical 2 of 44 results Apr 6, 2011 May 19, 2014
Cadmium 1015 Inorganic Chemical 2 of 22 results May 2, 2005 May 2, 2005
Selenium 1045 Inorganic Chemical 2 of 22 results May 2, 2005 May 2, 2005
Arsenic 1005 Inorganic Chemical 1 of 22 results Dec 5, 2022 Dec 5, 2022
Monobromoacetic Acid 2453 Organic Chemical 1 of 5 results Oct 26, 2020 Oct 26, 2020
Dichloroacetic Acid 2451 Organic Chemical 1 of 5 results Sep 10, 2013 Sep 10, 2013
Bromodichloromethane 2943 Organic Chemical 1 of 6 results Sep 10, 2013 Sep 10, 2013
Dibromochloromethane 2944 Organic Chemical 1 of 6 results Sep 10, 2013 Sep 10, 2013
Nitrite 1041 Inorganic Chemical 1 of 44 results Apr 2, 2012 Apr 2, 2012

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 151–160 of 203 samples, newest first — collected August 21, 2007 to April 14, 2010. The summary above covers all 203.

43 results from the 10 samples listed here: 8 detected, 35 not detected. Across the whole record it is 188 of 1,020. 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 Mitchell Water Association, every result from 151 to 160 of 203 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
Apr 14, 2010
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
100415-012CN
Laboratory
MSDH Lab
Not detected below 15 ug/l Minimum Reporting Level , sample collected Apr 14, 2010, sampling point TF102 Cyanide 1024 EPA method QC10204001X Jan 1, 2008 – Dec 31, 2010
Collected
Feb 8, 2010
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
100210-002IN
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 8, 2010, sampling point TF102 Arsenic 1005 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
0.0738 mg/l , sample collected Feb 8, 2010, sampling point TF102 Barium 1010 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
Not detected below 0.0001 mg/l Minimum Reporting Level , sample collected Feb 8, 2010, sampling point TF102 Cadmium 1015 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 8, 2010, sampling point TF102 Chromium 1020 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Feb 8, 2010, sampling point TF102 Fluoride 1025 EPA method 380-75WE Jan 1, 2008 – Dec 31, 2010
Not detected below 0.0002 mg/l Minimum Reporting Level , sample collected Feb 8, 2010, sampling point TF102 Mercury 1035 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
0.0014 mg/l , sample collected Feb 8, 2010, sampling point TF102 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected Feb 8, 2010, sampling point TF102 Selenium 1045 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 8, 2010, sampling point TF102 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 Feb 8, 2010, sampling point TF102 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 Feb 8, 2010, sampling point TF102 Thallium, Total 1085 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
Collected
Feb 8, 2010
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
100210-001IN
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 8, 2010, sampling point TF101 Arsenic 1005 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
0.084 mg/l , sample collected Feb 8, 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 Feb 8, 2010, sampling point TF101 Cadmium 1015 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 8, 2010, sampling point TF101 Chromium 1020 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Feb 8, 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 Feb 8, 2010, sampling point TF101 Mercury 1035 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
0.0018 mg/l , sample collected Feb 8, 2010, sampling point TF101 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected Feb 8, 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 Feb 8, 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 Feb 8, 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 Feb 8, 2010, sampling point TF101 Thallium, Total 1085 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
Collected
Jun 3, 2009
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
090604-055NI
Laboratory
MSDH Lab
Not detected below 0.25 mg/l Minimum Reporting Level , sample collected Jun 3, 2009, sampling point TF102 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 3, 2009, sampling point TF102 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 3, 2009, sampling point TF102 Nitrite 1041 EPA method 353.2 Jan 1, 2009 – Dec 31, 2009
Collected
Jun 3, 2009
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
090604-054NI
Laboratory
MSDH Lab
Not detected below 0.25 mg/l Minimum Reporting Level , sample collected Jun 3, 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 3, 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 3, 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
080729-109NI
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
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Jul 28, 2008, sampling point TF101 Nitrite 1041 EPA method 353.2 Jan 1, 2008 – Dec 31, 2008
Collected
Jul 28, 2008
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
080729-102NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Jul 28, 2008, sampling point TF102 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 TF102 Nitrate 1040 EPA method 353.2 Jan 1, 2008 – Dec 31, 2008
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Jul 28, 2008, sampling point TF102 Nitrite 1041 EPA method 353.2 Jan 1, 2008 – Dec 31, 2008
Collected
Sep 11, 2007
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
070912-017HA
Laboratory
MSDH Lab
Not detected below 0.006 mg/l Minimum Reporting Level , sample collected Sep 11, 2007, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Jan 1, 2005 – Dec 31, 2007
Collected
Sep 11, 2007
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
070912-018TH
Laboratory
MSDH Lab
1.3 ug/l , sample collected Sep 11, 2007, sampling point MRT000 Chloroform 2941 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Sep 11, 2007, sampling point MRT000 Bromoform 2942 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Sep 11, 2007, sampling point MRT000 Bromodichloromethane 2943 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Sep 11, 2007, sampling point MRT000 Dibromochloromethane 2944 EPA method 524.2 Not recorded
1.3 ug/l , sample collected Sep 11, 2007, sampling point MRT000 TTHM 2950 EPA method 524.2 Jan 1, 2007 – Dec 31, 2009
Collected
Aug 21, 2007
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
070822-059PB
Laboratory
MSDH Lab
0.401 mg/l , sample collected Aug 21, 2007, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
0.0012 mg/l , sample collected Aug 21, 2007, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008

Routine (10).