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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 91–100 of 267 samples, newest first — collected October 11, 2007 to July 7, 2008. The summary above covers all 267.

48 results from the 10 samples listed here: 17 detected, 31 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 91 to 100 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 7, 2008
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
080709-005PB
Laboratory
MSDH Lab
0.0384 mg/l , sample collected Jul 7, 2008, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2008 – Dec 31, 2008
0.0019 mg/l , sample collected Jul 7, 2008, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2008 – Dec 31, 2008
Collected
Jul 7, 2008
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
080709-004PB
Laboratory
MSDH Lab
0.0292 mg/l , sample collected Jul 7, 2008, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2008 – Dec 31, 2008
0.0016 mg/l , sample collected Jul 7, 2008, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2008 – Dec 31, 2008
Collected
Jul 7, 2008
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
080709-003PB
Laboratory
MSDH Lab
0.0396 mg/l , sample collected Jul 7, 2008, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2008 – Dec 31, 2008
0.0019 mg/l , sample collected Jul 7, 2008, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2008 – Dec 31, 2008
Collected
Jul 7, 2008
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
080709-002PB
Laboratory
MSDH Lab
0.0425 mg/l , sample collected Jul 7, 2008, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2008 – Dec 31, 2008
0.0022 mg/l , sample collected Jul 7, 2008, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2008 – Dec 31, 2008
Collected
Jul 7, 2008
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
080709-001PB
Laboratory
MSDH Lab
0.0408 mg/l , sample collected Jul 7, 2008, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2008 – Dec 31, 2008
0.002 mg/l , sample collected Jul 7, 2008, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2008 – Dec 31, 2008
Collected
May 5, 2008
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
080506-037NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected May 5, 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 May 5, 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 May 5, 2008, sampling point TF101 Nitrite 1041 EPA method 353.2 Jan 1, 2008 – Dec 31, 2008
Collected
Apr 7, 2008
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
080408-002VO
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Apr 7, 2008, sampling point TF101 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Apr 7, 2008, sampling point TF101 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Apr 7, 2008, sampling point TF101 Xylenes, Total 2955 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Apr 7, 2008, sampling point TF101 Dichloromethane 2964 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Apr 7, 2008, sampling point TF101 O-Dichlorobenzene 2968 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Apr 7, 2008, sampling point TF101 P-Dichlorobenzene 2969 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Apr 7, 2008, sampling point TF101 Vinyl Chloride 2976 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Apr 7, 2008, sampling point TF101 1,1-Dichloroethylene 2977 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Apr 7, 2008, sampling point TF101 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Apr 7, 2008, sampling point TF101 1,2-Dichloroethane 2980 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Apr 7, 2008, sampling point TF101 1,1,1-Trichloroethane 2981 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Apr 7, 2008, sampling point TF101 Carbon Tetrachloride 2982 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Apr 7, 2008, sampling point TF101 1,2-Dichloropropane 2983 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Apr 7, 2008, sampling point TF101 Trichloroethylene 2984 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Apr 7, 2008, sampling point TF101 1,1,2-Trichloroethane 2985 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Apr 7, 2008, sampling point TF101 Tetrachloroethylene 2987 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Apr 7, 2008, sampling point TF101 Chlorobenzene 2989 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Apr 7, 2008, sampling point TF101 Benzene 2990 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Apr 7, 2008, sampling point TF101 Toluene 2991 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Apr 7, 2008, sampling point TF101 Ethylbenzene 2992 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Apr 7, 2008, sampling point TF101 Styrene 2996 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Collected
Mar 10, 2008
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
080311-052IN
Laboratory
MSDH Lab
0.000851 mg/l , sample collected Mar 10, 2008, sampling point TF101 Arsenic 1005 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
0.017842 mg/l , sample collected Mar 10, 2008, 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 10, 2008, 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 Mar 10, 2008, sampling point TF101 Chromium 1020 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
0.15 mg/l , sample collected Mar 10, 2008, 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 10, 2008, sampling point TF101 Mercury 1035 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
0.007312 mg/l , sample collected Mar 10, 2008, sampling point TF101 Nickel 1036 EPA method 200.8 Not recorded
0.003443 mg/l , sample collected Mar 10, 2008, 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 10, 2008, 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 10, 2008, 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 10, 2008, sampling point TF101 Thallium, Total 1085 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
Collected
Mar 10, 2008
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
080311-041CN
Laboratory
MSDH Lab
Not detected below 0.005 mg/l Minimum Reporting Level , sample collected Mar 10, 2008, sampling point TF101 Cyanide 1024 EPA method QC10204001X Jan 1, 2008 – Dec 31, 2010
Collected
Oct 11, 2007
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
071016-058PB
Laboratory
MSDH Lab
0.0501 mg/l , sample collected Oct 11, 2007, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2007 – Dec 31, 2007
0.0018 mg/l , sample collected Oct 11, 2007, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2007 – Dec 31, 2007

Routine (10).