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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 508 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 508 samples on record, detections range from October 8, 2003 to August 11, 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 340 of 340 results Sep 6, 2007 Aug 11, 2026
Lead 1030 Inorganic Chemical 88 of 340 results Sep 6, 2007 Aug 11, 2026
TTHM 2950 Organic Chemical 32 of 32 results Jul 12, 2004 Apr 29, 2026
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 25 of 32 results Jun 17, 2010 Aug 10, 2026
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
Dichloroacetic Acid 2451 Organic Chemical 6 of 12 results Feb 20, 2024 Aug 10, 2026
Trichloroacetic Acid 2452 Organic Chemical 6 of 12 results Feb 20, 2024 Aug 10, 2026
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
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 451–460 of 508 samples, newest first — collected September 6, 2007 to May 11, 2009. The summary above covers all 508.

50 results from the 10 samples listed here: 4 detected, 46 not detected. Across the whole record it is 572 of 1,510. 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 451 to 460 of 508 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
May 11, 2009
Sampling point
TF081 Treatment Plant T081
Sample type
Routine
Lab sample
090512-015NI
Laboratory
MSDH Lab
Not detected below 0.25 mg/l Minimum Reporting Level , sample collected May 11, 2009, sampling point TF081 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 May 11, 2009, sampling point TF081 Nitrate 1040 EPA method 353.2 Jan 1, 2009 – Dec 31, 2009
Not detected below 0.05 mg/l Minimum Reporting Level , sample collected May 11, 2009, sampling point TF081 Nitrite 1041 EPA method 353.2 Jan 1, 2009 – Dec 31, 2009
Collected
May 11, 2009
Sampling point
TF080
Sample type
Routine
Lab sample
090512-014NI
Laboratory
MSDH Lab
Not detected below 0.25 mg/l Minimum Reporting Level , sample collected May 11, 2009, sampling point TF080 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 May 11, 2009, sampling point TF080 Nitrate 1040 EPA method 353.2 Jan 1, 2009 – Dec 31, 2009
Not detected below 0.05 mg/l Minimum Reporting Level , sample collected May 11, 2009, sampling point TF080 Nitrite 1041 EPA method 353.2 Jan 1, 2009 – Dec 31, 2009
Collected
Jun 25, 2008
Sampling point
TF081 Treatment Plant T081
Sample type
Routine
Lab sample
080626-023NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Jun 25, 2008, sampling point TF081 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 Jun 25, 2008, sampling point TF081 Nitrate 1040 EPA method 353.2 Jan 1, 2008 – Dec 31, 2008
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Jun 25, 2008, sampling point TF081 Nitrite 1041 EPA method 353.2 Jan 1, 2008 – Dec 31, 2008
Collected
Jun 25, 2008
Sampling point
TF080
Sample type
Routine
Lab sample
080626-022NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Jun 25, 2008, sampling point TF080 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 Jun 25, 2008, sampling point TF080 Nitrate 1040 EPA method 353.2 Jan 1, 2008 – Dec 31, 2008
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Jun 25, 2008, sampling point TF080 Nitrite 1041 EPA method 353.2 Jan 1, 2008 – Dec 31, 2008
Collected
Oct 3, 2007
Sampling point
TF080
Sample type
Routine
Lab sample
071004-001VO
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Oct 3, 2007, sampling point TF080 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Jan 1, 2007 – Dec 31, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Oct 3, 2007, sampling point TF080 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Jan 1, 2007 – Dec 31, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Oct 3, 2007, sampling point TF080 Xylenes, Total 2955 EPA method 524.2 Jan 1, 2007 – Dec 31, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Oct 3, 2007, sampling point TF080 Dichloromethane 2964 EPA method 524.2 Jan 1, 2007 – Dec 31, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Oct 3, 2007, sampling point TF080 O-Dichlorobenzene 2968 EPA method 524.2 Jan 1, 2007 – Dec 31, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Oct 3, 2007, sampling point TF080 P-Dichlorobenzene 2969 EPA method 524.2 Jan 1, 2007 – Dec 31, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Oct 3, 2007, sampling point TF080 Vinyl Chloride 2976 EPA method 524.2 Jan 1, 2007 – Dec 31, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Oct 3, 2007, sampling point TF080 1,1-Dichloroethylene 2977 EPA method 524.2 Jan 1, 2007 – Dec 31, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Oct 3, 2007, sampling point TF080 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Jan 1, 2007 – Dec 31, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Oct 3, 2007, sampling point TF080 1,2-Dichloroethane 2980 EPA method 524.2 Jan 1, 2007 – Dec 31, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Oct 3, 2007, sampling point TF080 1,1,1-Trichloroethane 2981 EPA method 524.2 Jan 1, 2007 – Dec 31, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Oct 3, 2007, sampling point TF080 Carbon Tetrachloride 2982 EPA method 524.2 Jan 1, 2007 – Dec 31, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Oct 3, 2007, sampling point TF080 1,2-Dichloropropane 2983 EPA method 524.2 Jan 1, 2007 – Dec 31, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Oct 3, 2007, sampling point TF080 Trichloroethylene 2984 EPA method 524.2 Jan 1, 2007 – Dec 31, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Oct 3, 2007, sampling point TF080 1,1,2-Trichloroethane 2985 EPA method 524.2 Jan 1, 2007 – Dec 31, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Oct 3, 2007, sampling point TF080 Tetrachloroethylene 2987 EPA method 524.2 Jan 1, 2007 – Dec 31, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Oct 3, 2007, sampling point TF080 Chlorobenzene 2989 EPA method 524.2 Jan 1, 2007 – Dec 31, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Oct 3, 2007, sampling point TF080 Benzene 2990 EPA method 524.2 Jan 1, 2007 – Dec 31, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Oct 3, 2007, sampling point TF080 Toluene 2991 EPA method 524.2 Jan 1, 2007 – Dec 31, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Oct 3, 2007, sampling point TF080 Ethylbenzene 2992 EPA method 524.2 Jan 1, 2007 – Dec 31, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Oct 3, 2007, sampling point TF080 Styrene 2996 EPA method 524.2 Jan 1, 2007 – Dec 31, 2007
Collected
Sep 26, 2007
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
070927-004HA
Laboratory
MSDH Lab
Not detected below 0.002 mg/l Minimum Reporting Level , sample collected Sep 26, 2007, sampling point MRT000 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Sep 26, 2007, sampling point MRT000 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Sep 26, 2007, sampling point MRT000 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Sep 26, 2007, sampling point MRT000 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Sep 26, 2007, sampling point MRT000 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
Not detected below 0.006 mg/l Minimum Reporting Level , sample collected Sep 26, 2007, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 Jan 1, 2005 – Dec 31, 2007
Collected
Sep 26, 2007
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
070927-001TH
Laboratory
MSDH Lab
Not detected below 1 ug/l Minimum Reporting Level , sample collected Sep 26, 2007, sampling point MRT000 Chloroform 2941 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Sep 26, 2007, sampling point MRT000 Bromoform 2942 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Sep 26, 2007, sampling point MRT000 Bromodichloromethane 2943 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Sep 26, 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 26, 2007, sampling point MRT000 TTHM 2950 EPA method 524.2 Jan 1, 2005 – Dec 31, 2007
Collected
Sep 6, 2007
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
070907-563PB
Laboratory
MSDH Lab
0.0136 mg/l , sample collected Sep 6, 2007, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Sep 6, 2007, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
Collected
Sep 6, 2007
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
070907-550PB
Laboratory
MSDH Lab
0.3299 mg/l , sample collected Sep 6, 2007, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Sep 6, 2007, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
Collected
Sep 6, 2007
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
070907-565PB
Laboratory
MSDH Lab
0.0163 mg/l , sample collected Sep 6, 2007, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Sep 6, 2007, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007

Routine (10).