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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

MS0060049 , Deeson-Roundlake Water Corp

26 of the 59 analytes this system has been tested for have been detected at least once, across 267 samples on record.

The other 33 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 267 samples on record, detections range from June 7, 1994 to March 3, 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 Deeson-Roundlake Water Corp, 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 177 of 187 results Jun 7, 1994 Sep 27, 2024
Lead 1030 Inorganic Chemical 146 of 187 results Jun 7, 1994 Aug 16, 2024
Arsenic 1005 Inorganic Chemical 11 of 11 results Jun 25, 2002 Jan 13, 2025
Barium 1010 Inorganic Chemical 11 of 11 results Jun 25, 2002 Jan 13, 2025
Fluoride 1025 Inorganic Chemical 9 of 11 results Jan 12, 2004 Jan 13, 2025
Chromium 1020 Inorganic Chemical 7 of 11 results Jun 25, 2002 Jan 13, 2025
Selenium 1045 Inorganic Chemical 7 of 11 results Jun 25, 2002 May 5, 2014
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 6 of 9 results Jun 25, 2007 Mar 3, 2025
TTHM 2950 Organic Chemical 6 of 8 results Jun 25, 2007 Mar 3, 2025
Dibromoacetic Acid 2454 Organic Chemical 4 of 5 results Jun 7, 2010 Aug 4, 2014
Chloroform 2941 Organic Chemical 4 of 5 results Jun 25, 2007 Aug 4, 2014
Sodium 1052 Inorganic Chemical 3 of 3 results Sep 20, 2019 Oct 15, 2024
Bromoform 2942 Organic Chemical 3 of 5 results Jun 7, 2010 Aug 4, 2014
Bromodichloromethane 2943 Organic Chemical 3 of 5 results Jun 7, 2010 Aug 4, 2014
Dibromochloromethane 2944 Organic Chemical 3 of 5 results Jun 7, 2010 Aug 4, 2014
Nickel 1036 Inorganic Chemical 2 of 11 results Mar 10, 2008 May 5, 2014
Gross Alpha Particle Activity 4109 Radionuclide 2 of 5 results Jun 25, 2012 Sep 17, 2012
Combined Radium (-226 & -228) 4010 Radionuclide 2 of 6 results Nov 28, 2011 Dec 19, 2011
Gross Alpha, Incl. Radon & U 4002 Radionuclide 1 of 1 result Mar 18, 2016 Mar 18, 2016
Radium-228 4030 Radionuclide 1 of 6 results Dec 19, 2011 Dec 19, 2011
Radium-226 4020 Radionuclide 1 of 6 results Nov 28, 2011 Nov 28, 2011
Monochloroacetic Acid 2450 Organic Chemical 1 of 5 results Jul 11, 2011 Jul 11, 2011
Dichloroacetic Acid 2451 Organic Chemical 1 of 5 results Jul 11, 2011 Jul 11, 2011
Trichloroacetic Acid 2452 Organic Chemical 1 of 5 results Jul 11, 2011 Jul 11, 2011
Monobromoacetic Acid 2453 Organic Chemical 1 of 5 results Jul 11, 2011 Jul 11, 2011
Nitrate 1040 Inorganic Chemical 1 of 22 results Jun 5, 2006 Jun 5, 2006

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 61–70 of 267 samples, newest first — collected September 26, 2011 to July 10, 2012. The summary above covers all 267.

53 results from the 10 samples listed here: 9 detected, 44 not detected. Across the whole record it is 414 of 818. 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 Deeson-Roundlake Water Corp, every result from 61 to 70 of 267 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
Jul 10, 2012 05:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
120712-002PB
Laboratory
MSDH Lab
0.0195 mg/l , sample collected Jul 10, 2012 05:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2010 – Dec 31, 2012
0.0012 mg/l , sample collected Jul 10, 2012 05:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2010 – Dec 31, 2012
Collected
Jul 10, 2012 06:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
120712-001PB
Laboratory
MSDH Lab
0.0225 mg/l , sample collected Jul 10, 2012 06:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2010 – Dec 31, 2012
0.0012 mg/l , sample collected Jul 10, 2012 06:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2010 – Dec 31, 2012
Collected
Jun 25, 2012 15:00
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
201208130102
Laboratory
Radiation Safety Engineering
1 pci/l , sample collected Jun 25, 2012 15:00, sampling point TF101 Gross Alpha Particle Activity 4109 EPA method 00-02 Apr 1, 2012 – Jun 30, 2012
Collected
Jun 11, 2012 16:00
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
306101004
Laboratory
Gel Laboratories
Not detected below 0.593 pci/l Minimum Reporting Level , sample collected Jun 11, 2012 16:00, sampling point TF101 Combined Radium (-226 & -228) 4010 Not recorded
Not detected below 0.591 pci/l Minimum Reporting Level , sample collected Jun 11, 2012 16:00, sampling point TF101 Radium-226 4020 EPA method 903.1 Apr 1, 2012 – Jun 30, 2012
Not detected below 0.593 pci/l Minimum Reporting Level , sample collected Jun 11, 2012 16:00, sampling point TF101 Radium-228 4030 EPA method 904.0 Apr 1, 2012 – Jun 30, 2012
Collected
Mar 21, 2012 13:10
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
298245003
Laboratory
Gel Laboratories
Not detected below 0.672 pci/l Minimum Reporting Level , sample collected Mar 21, 2012 13:10, sampling point TF101 Combined Radium (-226 & -228) 4010 Not recorded
Not detected below 0.428 pci/l Minimum Reporting Level , sample collected Mar 21, 2012 13:10, sampling point TF101 Radium-226 4020 EPA method 903.1 Jan 1, 2012 – Mar 31, 2012
Not detected below 0.672 pci/l Minimum Reporting Level , sample collected Mar 21, 2012 13:10, sampling point TF101 Radium-228 4030 EPA method 904.0 Jan 1, 2012 – Mar 31, 2012
Collected
Jan 18, 2012 04:10
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
120119-045NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Jan 18, 2012 04:10, sampling point TF101 Nitrate-Nitrite 1038 EPA method 353.2 Jan 1, 2012 – Dec 31, 2012
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Jan 18, 2012 04:10, sampling point TF101 Nitrate 1040 EPA method 353.2 Jan 1, 2012 – Dec 31, 2012
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Jan 18, 2012 04:10, sampling point TF101 Nitrite 1041 EPA method 353.2 Jan 1, 2012 – Dec 31, 2012
Collected
Dec 19, 2011 16:30
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
292651002
Laboratory
Gel Laboratories
Not detected below 2.88 pci/l Minimum Reporting Level , sample collected Dec 19, 2011 16:30, sampling point TF101 Gross Alpha, Excl. Radon & U 4000 Not recorded
Not detected below 0.067 ug/l Minimum Reporting Level , sample collected Dec 19, 2011 16:30, sampling point TF101 Combined Uranium 4006 EPA method 200.8 Oct 1, 2011 – Dec 31, 2011
0.969 pci/l The agency recorded which kind of limit this result was below, but stored nothing 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 Dec 19, 2011 16:30, sampling point TF101 Combined Radium (-226 & -228) 4010 Not recorded
Not detected below 0.582 pci/l Minimum Reporting Level , sample collected Dec 19, 2011 16:30, sampling point TF101 Radium-226 4020 EPA method 903.1 Oct 1, 2011 – Dec 31, 2011
0.969 pci/l 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 Dec 19, 2011 16:30, sampling point TF101 Radium-228 4030 EPA method 904.0 Oct 1, 2011 – Dec 31, 2011
Not detected below 2.88 pci/l Minimum Reporting Level , sample collected Dec 19, 2011 16:30, sampling point TF101 Gross Alpha Particle Activity 4109 EPA method 900.0 Oct 1, 2011 – Dec 31, 2011
Collected
Nov 28, 2011 16:30
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
291204009
Laboratory
Gel Laboratories
Not detected below 2.94 pci/l Minimum Reporting Level , sample collected Nov 28, 2011 16:30, sampling point TF101 Gross Alpha, Excl. Radon & U 4000 Oct 1, 2011 – Dec 31, 2011
Not detected below 0.067 ug/l Minimum Reporting Level , sample collected Nov 28, 2011 16:30, sampling point TF101 Combined Uranium 4006 EPA method 200.8 Oct 1, 2011 – Dec 31, 2011
2.12 pci/l The agency recorded which kind of limit this result was below, but stored nothing 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 Nov 28, 2011 16:30, sampling point TF101 Combined Radium (-226 & -228) 4010 Not recorded
2.12 pci/l 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 Nov 28, 2011 16:30, sampling point TF101 Radium-226 4020 EPA method 903.1 Oct 1, 2011 – Dec 31, 2011
Not detected below 0.43 pci/l Minimum Reporting Level , sample collected Nov 28, 2011 16:30, sampling point TF101 Radium-228 4030 EPA method 904.0 Oct 1, 2011 – Dec 31, 2011
Not detected below 2.94 pci/l Minimum Reporting Level , sample collected Nov 28, 2011 16:30, sampling point TF101 Gross Alpha Particle Activity 4109 EPA method 900.0 Oct 1, 2011 – Dec 31, 2011
Collected
Sep 26, 2011 16:30
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
286822013
Laboratory
Gel Laboratories
Not detected below 2.83 pci/l Minimum Reporting Level , sample collected Sep 26, 2011 16:30, sampling point TF101 Gross Alpha, Excl. Radon & U 4000 Jul 1, 2011 – Sep 30, 2011
Not detected below 0.067 ug/l Minimum Reporting Level , sample collected Sep 26, 2011 16:30, sampling point TF101 Combined Uranium 4006 EPA method 200.8 Jul 1, 2011 – Sep 30, 2011
Not detected below 0.492 pci/l Minimum Reporting Level , sample collected Sep 26, 2011 16:30, sampling point TF101 Combined Radium (-226 & -228) 4010 Not recorded
Not detected below 0.464 pci/l Minimum Reporting Level , sample collected Sep 26, 2011 16:30, sampling point TF101 Radium-226 4020 EPA method 903.1 Jul 1, 2011 – Sep 30, 2011
Not detected below 0.492 pci/l Minimum Reporting Level , sample collected Sep 26, 2011 16:30, sampling point TF101 Radium-228 4030 EPA method 904.0 Jul 1, 2011 – Sep 30, 2011
Not detected below 2.83 pci/l Minimum Reporting Level , sample collected Sep 26, 2011 16:30, sampling point TF101 Gross Alpha Particle Activity 4109 EPA method 900.0 Jul 1, 2011 – Sep 30, 2011
Collected
Sep 26, 2011 04:15
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
110927-004VO
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 26, 2011 04:15, sampling point TF101 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 Sep 26, 2011 04:15, sampling point TF101 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 Sep 26, 2011 04:15, sampling point TF101 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 Sep 26, 2011 04:15, sampling point TF101 Dichloromethane 2964 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 26, 2011 04:15, sampling point TF101 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 Sep 26, 2011 04:15, sampling point TF101 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 Sep 26, 2011 04:15, sampling point TF101 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 Sep 26, 2011 04:15, sampling point TF101 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 Sep 26, 2011 04:15, sampling point TF101 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 Sep 26, 2011 04:15, sampling point TF101 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 Sep 26, 2011 04:15, sampling point TF101 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 Sep 26, 2011 04:15, sampling point TF101 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 Sep 26, 2011 04:15, sampling point TF101 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 Sep 26, 2011 04:15, sampling point TF101 Trichloroethylene 2984 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 26, 2011 04:15, sampling point TF101 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 Sep 26, 2011 04:15, sampling point TF101 Tetrachloroethylene 2987 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 26, 2011 04:15, sampling point TF101 Chlorobenzene 2989 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 26, 2011 04:15, sampling point TF101 Benzene 2990 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 26, 2011 04:15, sampling point TF101 Toluene 2991 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 26, 2011 04:15, sampling point TF101 Ethylbenzene 2992 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 26, 2011 04:15, sampling point TF101 Styrene 2996 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016

Routine (10).