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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

MS0480019 , Cason Water Association

18 of the 56 analytes this system has been tested for have been detected at least once, across 487 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 487 samples on record, detections range from October 8, 2003 to April 29, 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 Cason 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 320 of 320 results Sep 6, 2007 Nov 6, 2024
Lead 1030 Inorganic Chemical 84 of 320 results Sep 6, 2007 Nov 5, 2024
TTHM 2950 Organic Chemical 32 of 32 results Jul 12, 2004 Apr 29, 2026
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 24 of 31 results Jun 17, 2010 Aug 25, 2025
Barium 1010 Inorganic Chemical 13 of 13 results Oct 8, 2003 May 8, 2019
Gross Alpha, Incl. Radon & U 4002 Radionuclide 10 of 10 results Mar 15, 2012 Oct 10, 2012
Chromium 1020 Inorganic Chemical 9 of 13 results Mar 8, 2004 May 8, 2019
Chloroform 2941 Organic Chemical 8 of 10 results Aug 14, 2013 Apr 29, 2026
Nickel 1036 Inorganic Chemical 7 of 13 results Mar 8, 2004 May 8, 2019
Bromodichloromethane 2943 Organic Chemical 6 of 10 results Feb 20, 2024 Apr 29, 2026
Dibromochloromethane 2944 Organic Chemical 6 of 10 results Feb 20, 2024 Apr 29, 2026
Dichloroacetic Acid 2451 Organic Chemical 5 of 11 results Feb 20, 2024 Aug 25, 2025
Trichloroacetic Acid 2452 Organic Chemical 5 of 11 results Feb 20, 2024 Aug 25, 2025
Fluoride 1025 Inorganic Chemical 5 of 13 results Oct 8, 2003 May 8, 2019
Sodium 1052 Inorganic Chemical 4 of 4 results Sep 16, 2019 Mar 2, 2022
Cadmium 1015 Inorganic Chemical 3 of 13 results Mar 8, 2004 Apr 4, 2005
Selenium 1045 Inorganic Chemical 2 of 13 results Apr 4, 2005 Apr 4, 2005
Sulfate 1055 Inorganic Chemical 2 of 2 results Oct 8, 2003 Mar 8, 2004

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 321–330 of 487 samples, newest first — collected September 2, 2015 to March 7, 2016. The summary above covers all 487.

57 results from the 10 samples listed here: 14 detected, 43 not detected. Across the whole record it is 545 of 1,464. 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 Cason Water Association, every result from 321 to 330 of 487 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
Mar 7, 2016 01:30
Sampling point
TF080
Sample type
Routine
Lab sample
160308-048IN
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 7, 2016 01:30, sampling point TF080 Arsenic 1005 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
0.2147 mg/l , sample collected Mar 7, 2016 01:30, sampling point TF080 Barium 1010 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 7, 2016 01:30, sampling point TF080 Cadmium 1015 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
0.0037 mg/l , sample collected Mar 7, 2016 01:30, sampling point TF080 Chromium 1020 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Mar 7, 2016 01:30, sampling point TF080 Fluoride 1025 EPA method 300.0 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 7, 2016 01:30, sampling point TF080 Mercury 1035 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 7, 2016 01:30, sampling point TF080 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected Mar 7, 2016 01:30, sampling point TF080 Selenium 1045 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 7, 2016 01:30, sampling point TF080 Antimony, Total 1074 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 7, 2016 01:30, sampling point TF080 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 7, 2016 01:30, sampling point TF080 Thallium, Total 1085 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Collected
Mar 7, 2016 01:00
Sampling point
TF081 Treatment Plant T081
Sample type
Routine
Lab sample
160308-047IN
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 7, 2016 01:00, sampling point TF081 Arsenic 1005 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
0.0344 mg/l , sample collected Mar 7, 2016 01:00, sampling point TF081 Barium 1010 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 7, 2016 01:00, sampling point TF081 Cadmium 1015 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
0.0019 mg/l , sample collected Mar 7, 2016 01:00, sampling point TF081 Chromium 1020 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
0.14 mg/l , sample collected Mar 7, 2016 01:00, sampling point TF081 Fluoride 1025 EPA method 300.0 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 7, 2016 01:00, sampling point TF081 Mercury 1035 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 7, 2016 01:00, sampling point TF081 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected Mar 7, 2016 01:00, sampling point TF081 Selenium 1045 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 7, 2016 01:00, sampling point TF081 Antimony, Total 1074 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 7, 2016 01:00, sampling point TF081 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 7, 2016 01:00, sampling point TF081 Thallium, Total 1085 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Collected
Oct 5, 2015 01:20
Sampling point
TF081 Treatment Plant T081
Sample type
Routine
Lab sample
151006-001VO
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 5, 2015 01:20, sampling point TF081 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 5, 2015 01:20, sampling point TF081 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 5, 2015 01:20, sampling point TF081 Xylenes, Total 2955 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 5, 2015 01:20, sampling point TF081 Dichloromethane 2964 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 5, 2015 01:20, sampling point TF081 O-Dichlorobenzene 2968 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 5, 2015 01:20, sampling point TF081 P-Dichlorobenzene 2969 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 5, 2015 01:20, sampling point TF081 Vinyl Chloride 2976 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 5, 2015 01:20, sampling point TF081 1,1-Dichloroethylene 2977 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 5, 2015 01:20, sampling point TF081 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 5, 2015 01:20, sampling point TF081 1,2-Dichloroethane 2980 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 5, 2015 01:20, sampling point TF081 1,1,1-Trichloroethane 2981 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 5, 2015 01:20, sampling point TF081 Carbon Tetrachloride 2982 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 5, 2015 01:20, sampling point TF081 1,2-Dichloropropane 2983 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 5, 2015 01:20, sampling point TF081 Trichloroethylene 2984 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 5, 2015 01:20, sampling point TF081 1,1,2-Trichloroethane 2985 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 5, 2015 01:20, sampling point TF081 Tetrachloroethylene 2987 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 5, 2015 01:20, sampling point TF081 Chlorobenzene 2989 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 5, 2015 01:20, sampling point TF081 Benzene 2990 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 5, 2015 01:20, sampling point TF081 Toluene 2991 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 5, 2015 01:20, sampling point TF081 Ethylbenzene 2992 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 5, 2015 01:20, sampling point TF081 Styrene 2996 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Collected
Sep 2, 2015 07:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
150903-059PB
Laboratory
MSDH Lab
0.0636 mg/l , sample collected Sep 2, 2015 07:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Sep 2, 2015 07:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Collected
Sep 2, 2015 06:10
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
150903-058PB
Laboratory
MSDH Lab
0.1255 mg/l , sample collected Sep 2, 2015 06:10, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
0.0014 mg/l , sample collected Sep 2, 2015 06:10, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Collected
Sep 2, 2015 05:10
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
150903-057PB
Laboratory
MSDH Lab
0.0319 mg/l , sample collected Sep 2, 2015 05:10, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Sep 2, 2015 05:10, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Collected
Sep 2, 2015 05:40
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
150903-056PB
Laboratory
MSDH Lab
0.019 mg/l , sample collected Sep 2, 2015 05:40, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Sep 2, 2015 05:40, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Collected
Sep 2, 2015 06:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
150903-052PB
Laboratory
MSDH Lab
0.0029 mg/l , sample collected Sep 2, 2015 06:30, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Sep 2, 2015 06:30, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Collected
Sep 2, 2015 05:15
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
150903-051PB
Laboratory
MSDH Lab
0.0847 mg/l , sample collected Sep 2, 2015 05:15, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
0.0006 mg/l , sample collected Sep 2, 2015 05:15, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Collected
Sep 2, 2015 07:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
150903-048PB
Laboratory
MSDH Lab
0.0599 mg/l , sample collected Sep 2, 2015 07:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Sep 2, 2015 07:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016

Routine (10).