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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

MS0060053 , Deeson Roundlake #2

24 of the 58 analytes this system has been tested for have been detected at least once, across 204 samples on record.

The other 34 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 204 samples on record, detections range from December 11, 2000 to April 29, 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 #2, 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 124 of 124 results Dec 11, 2000 Sep 27, 2024
Lead 1030 Inorganic Chemical 105 of 124 results Dec 11, 2000 Sep 27, 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 10 of 11 results Jun 25, 2002 Jan 13, 2025
Chromium 1020 Inorganic Chemical 9 of 11 results Jun 25, 2002 Jan 13, 2025
Selenium 1045 Inorganic Chemical 9 of 11 results Jun 25, 2002 Jan 13, 2025
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 8 of 10 results Jun 25, 2007 Apr 29, 2025
TTHM 2950 Organic Chemical 7 of 10 results Jun 25, 2007 Apr 29, 2025
Nickel 1036 Inorganic Chemical 4 of 11 results Jan 12, 2004 Jan 13, 2025
Dibromoacetic Acid 2454 Organic Chemical 4 of 5 results Aug 11, 2008 Jul 14, 2014
Chloroform 2941 Organic Chemical 4 of 5 results Jun 25, 2007 Jul 14, 2014
Sodium 1052 Inorganic Chemical 3 of 3 results Sep 20, 2019 Oct 15, 2024
Monochloroacetic Acid 2450 Organic Chemical 3 of 5 results Jun 21, 2011 Aug 16, 2017
Dichloroacetic Acid 2451 Organic Chemical 3 of 5 results Jun 29, 2009 Jul 14, 2014
Bromoform 2942 Organic Chemical 3 of 5 results Jun 29, 2009 Jul 14, 2014
Bromodichloromethane 2943 Organic Chemical 3 of 5 results Jun 29, 2009 Jul 14, 2014
Dibromochloromethane 2944 Organic Chemical 3 of 5 results Jun 29, 2009 Jul 14, 2014
Trichloroacetic Acid 2452 Organic Chemical 2 of 5 results Jun 21, 2011 Jul 14, 2014
Monobromoacetic Acid 2453 Organic Chemical 2 of 5 results Jun 21, 2011 Jul 14, 2014
Gross Alpha Particle Activity 4109 Radionuclide 1 of 4 results Sep 17, 2012 Sep 17, 2012
Combined Radium (-226 & -228) 4010 Radionuclide 1 of 2 results Sep 28, 2011 Sep 28, 2011
Radium-228 4030 Radionuclide 1 of 2 results Sep 28, 2011 Sep 28, 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 204 samples, newest first — collected May 5, 2008 to June 9, 2009. The summary above covers all 204.

25 results from the 10 samples listed here: 15 detected, 10 not detected. Across the whole record it is 332 of 700. A sample is analysed for many analytes at once, so one sample appears on as many rows as it had results.

Units in this table

TTHM is recorded on this page in ug/l and mg/l. 1 mg/l = 1,000 ug/l.

Chemical and radiological sample results for Deeson Roundlake #2, every result from 81 to 90 of 204 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 9, 2009
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
090611-036PB
Laboratory
MSDH Lab
0.027 mg/l , sample collected Jun 9, 2009, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2009 – Dec 31, 2009
0.0029 mg/l , sample collected Jun 9, 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
090310-036NI
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
Collected
Aug 11, 2008
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
080812-023TH
Laboratory
MSDH Lab
47.7 ug/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 Aug 11, 2008, sampling point MRT000 TTHM 2950 EPA method 524.2 Jan 1, 2008 – Dec 31, 2008
Collected
Aug 11, 2008
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
080812-023HA
Laboratory
MSDH Lab
Not detected below 0.002 mg/l Minimum Reporting Level , sample collected Aug 11, 2008, sampling point MRT000 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Aug 11, 2008, sampling point MRT000 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Aug 11, 2008, sampling point MRT000 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Aug 11, 2008, sampling point MRT000 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
0.006 mg/l , sample collected Aug 11, 2008, sampling point MRT000 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
0 mg/l 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. , sample collected Aug 11, 2008, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 Jan 1, 2008 – Dec 31, 2008
Collected
Jul 7, 2008
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
080709-010PB
Laboratory
MSDH Lab
0.0451 mg/l , sample collected Jul 7, 2008, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2008 – Dec 31, 2008
0.0024 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
080709-009PB
Laboratory
MSDH Lab
0.038 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
080709-008PB
Laboratory
MSDH Lab
0.0394 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
080709-007PB
Laboratory
MSDH Lab
0.0373 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
080709-006PB
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
0.0018 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
080506-076NI
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

Routine (10).