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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 81–90 of 267 samples, newest first — collected March 9, 2009 to June 10, 2009. The summary above covers all 267.

21 results from the 10 samples listed here: 15 detected, 6 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 81 to 90 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
Jun 10, 2009
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
090611-029PB
Laboratory
MSDH Lab
0.0297 mg/l , sample collected Jun 10, 2009, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2009 – Dec 31, 2009
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 10, 2009, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2009 – Dec 31, 2009
Collected
Jun 10, 2009
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
090611-028PB
Laboratory
MSDH Lab
0.0972 mg/l , sample collected Jun 10, 2009, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2009 – Dec 31, 2009
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 10, 2009, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2009 – Dec 31, 2009
Collected
Jun 10, 2009
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
090611-027PB
Laboratory
MSDH Lab
0.1261 mg/l , sample collected Jun 10, 2009, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2009 – Dec 31, 2009
0.0024 mg/l , sample collected Jun 10, 2009, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2009 – Dec 31, 2009
Collected
Jun 10, 2009
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
090611-026PB
Laboratory
MSDH Lab
0.0648 mg/l , sample collected Jun 10, 2009, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2009 – Dec 31, 2009
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 10, 2009, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2009 – Dec 31, 2009
Collected
Jun 8, 2009
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
090611-025PB
Laboratory
MSDH Lab
0.0384 mg/l , sample collected Jun 8, 2009, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2009 – Dec 31, 2009
0.0059 mg/l , sample collected Jun 8, 2009, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2009 – Dec 31, 2009
Collected
Jun 8, 2009
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
090611-024PB
Laboratory
MSDH Lab
0.0318 mg/l , sample collected Jun 8, 2009, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2009 – Dec 31, 2009
0.0042 mg/l , sample collected Jun 8, 2009, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2009 – Dec 31, 2009
Collected
Jun 8, 2009
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
090611-023PB
Laboratory
MSDH Lab
0.0337 mg/l , sample collected Jun 8, 2009, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2009 – Dec 31, 2009
0.0121 mg/l , sample collected Jun 8, 2009, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2009 – Dec 31, 2009
Collected
Jun 8, 2009
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
090611-022PB
Laboratory
MSDH Lab
0.0329 mg/l , sample collected Jun 8, 2009, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2009 – Dec 31, 2009
0.0084 mg/l , sample collected Jun 8, 2009, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2009 – Dec 31, 2009
Collected
Jun 8, 2009
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
090611-021PB
Laboratory
MSDH Lab
0.0202 mg/l , sample collected Jun 8, 2009, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2009 – Dec 31, 2009
0.0094 mg/l , sample collected Jun 8, 2009, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2009 – Dec 31, 2009
Collected
Mar 9, 2009
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
090310-084NI
Laboratory
MSDH Lab
Not detected below 0.25 mg/l Minimum Reporting Level , sample collected Mar 9, 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 Mar 9, 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 Mar 9, 2009, sampling point TF101 Nitrite 1041 EPA method 353.2 Jan 1, 2009 – Dec 31, 2009

Routine (10).