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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 11–20 of 204 samples, newest first — collected October 12, 2021 to August 27, 2024. The summary above covers all 204.

49 results from the 10 samples listed here: 9 detected, 40 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.

We withheld the location of 4 sampling points below. The location on record identifies a private home, and we do not publish those. That is our decision, not the agency’s. The sampling point, its type and every result taken there are published unchanged.

Chemical and radiological sample results for Deeson Roundlake #2, every result from 11 to 20 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
Aug 27, 2024 06:00
Sampling point
LC0003 Location withheld
Sample type
Routine
Lab sample
PB-240829-420
Laboratory
MSDH Lab
0.22 mg/l , sample collected Aug 27, 2024 06:00, sampling point LC0003 Copper, Free 1022 EPA method 200.8 Jan 1, 2022 – Dec 31, 2024
57.6 ug/l , sample collected Aug 27, 2024 06:00, sampling point LC0003 Lead 1030 EPA method 200.8 Jan 1, 2022 – Dec 31, 2024
Collected
Jan 10, 2024 13:51
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
NI-240111-042
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Jan 10, 2024 13:51, sampling point TF101 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2024 – Dec 31, 2024
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Jan 10, 2024 13:51, sampling point TF101 Nitrate 1040 EPA method QC10107041C Jan 1, 2024 – Dec 31, 2024
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Jan 10, 2024 13:51, sampling point TF101 Nitrite 1041 EPA method QC10107041C Jan 1, 2024 – Dec 31, 2024
Collected
Feb 7, 2023 16:10
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
NI-230208-059
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Feb 7, 2023 16:10, sampling point TF101 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2023 – Dec 31, 2023
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Feb 7, 2023 16:10, sampling point TF101 Nitrate 1040 EPA method QC10107041C Jan 1, 2023 – Dec 31, 2023
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Feb 7, 2023 16:10, sampling point TF101 Nitrite 1041 EPA method QC10107041C Jan 1, 2023 – Dec 31, 2023
Collected
Sep 13, 2022 16:34
Sampling point
SMD Location withheld
Sample type
Routine
Lab sample
HA-220914-017
Laboratory
MSDH Lab
Not detected below 1 ug/l Minimum Reporting Level , sample collected Sep 13, 2022 16:34, sampling point SMD Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Jan 1, 2022 – Dec 31, 2024
Collected
Sep 13, 2022 16:40
Sampling point
SMD Location withheld
Sample type
Routine
Lab sample
TH-220914-017
Laboratory
MSDH Lab
1.08 ug/l , sample collected Sep 13, 2022 16:40, sampling point SMD TTHM 2950 EPA method 524.2 Jan 1, 2022 – Dec 31, 2024
Collected
May 3, 2022 16:01
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
IN-220504-028
Laboratory
MSDH Lab
0.001 mg/l , sample collected May 3, 2022 16:01, sampling point TF101 Arsenic 1005 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
0.0185 mg/l , sample collected May 3, 2022 16:01, sampling point TF101 Barium 1010 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 3, 2022 16:01, sampling point TF101 Cadmium 1015 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
0.0008 mg/l , sample collected May 3, 2022 16:01, sampling point TF101 Chromium 1020 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
0.139 mg/l , sample collected May 3, 2022 16:01, sampling point TF101 Fluoride 1025 EPA method QC 10-109-12-2-A Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 3, 2022 16:01, sampling point TF101 Mercury 1035 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 3, 2022 16:01, sampling point TF101 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected May 3, 2022 16:01, sampling point TF101 Selenium 1045 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 3, 2022 16:01, sampling point TF101 Antimony, Total 1074 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 3, 2022 16:01, sampling point TF101 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 3, 2022 16:01, sampling point TF101 Thallium, Total 1085 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Collected
Mar 23, 2022 16:00
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
VO-220324-002
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 23, 2022 16:00, sampling point TF101 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 23, 2022 16:00, sampling point TF101 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 23, 2022 16:00, sampling point TF101 Xylenes, Total 2955 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 23, 2022 16:00, sampling point TF101 Dichloromethane 2964 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 23, 2022 16:00, sampling point TF101 O-Dichlorobenzene 2968 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 23, 2022 16:00, sampling point TF101 P-Dichlorobenzene 2969 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 23, 2022 16:00, sampling point TF101 Vinyl Chloride 2976 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 23, 2022 16:00, sampling point TF101 1,1-Dichloroethylene 2977 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 23, 2022 16:00, sampling point TF101 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 23, 2022 16:00, sampling point TF101 1,2-Dichloroethane 2980 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 23, 2022 16:00, sampling point TF101 1,1,1-Trichloroethane 2981 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 23, 2022 16:00, sampling point TF101 Carbon Tetrachloride 2982 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 23, 2022 16:00, sampling point TF101 1,2-Dichloropropane 2983 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 23, 2022 16:00, sampling point TF101 Trichloroethylene 2984 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 23, 2022 16:00, sampling point TF101 1,1,2-Trichloroethane 2985 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 23, 2022 16:00, sampling point TF101 Tetrachloroethylene 2987 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 23, 2022 16:00, sampling point TF101 Chlorobenzene 2989 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 23, 2022 16:00, sampling point TF101 Benzene 2990 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 23, 2022 16:00, sampling point TF101 Toluene 2991 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 23, 2022 16:00, sampling point TF101 Ethylbenzene 2992 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 23, 2022 16:00, sampling point TF101 Styrene 2996 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Collected
Jan 4, 2022 16:40
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
NI-220105-063
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Jan 4, 2022 16:40, sampling point TF101 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2022 – Dec 31, 2022
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Jan 4, 2022 16:40, sampling point TF101 Nitrate 1040 EPA method QC10107041C Jan 1, 2022 – Dec 31, 2022
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Jan 4, 2022 16:40, sampling point TF101 Nitrite 1041 EPA method QC10107041C Jan 1, 2022 – Dec 31, 2022
Collected
Oct 12, 2021 05:40
Sampling point
LC0005 Location withheld
Sample type
Routine
Lab sample
PB-211013-005
Laboratory
MSDH Lab
0.0032 mg/l , sample collected Oct 12, 2021 05:40, sampling point LC0005 Copper, Free 1022 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 12, 2021 05:40, sampling point LC0005 Lead 1030 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021
Collected
Oct 12, 2021 09:02
Sampling point
LC0004 Location withheld
Sample type
Routine
Lab sample
PB-211013-004
Laboratory
MSDH Lab
0.0037 mg/l , sample collected Oct 12, 2021 09:02, sampling point LC0004 Copper, Free 1022 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 12, 2021 09:02, sampling point LC0004 Lead 1030 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021

Routine (10).