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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

MS0540006 , Enon-Locke-Curtis Water Assn

26 of the 57 analytes this system has been tested for have been detected at least once, across 368 samples on record.

The other 31 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 368 samples on record, detections range from October 15, 2003 to September 18, 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 Enon-Locke-Curtis Water Assn, 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 175 of 175 results Aug 7, 2007 Sep 18, 2025
Lead 1030 Inorganic Chemical 153 of 175 results Aug 7, 2007 Sep 18, 2025
Barium 1010 Inorganic Chemical 20 of 20 results Oct 15, 2003 Mar 17, 2025
Fluoride 1025 Inorganic Chemical 20 of 20 results Oct 15, 2003 Mar 17, 2025
Xylenes, Total 2955 Organic Chemical 19 of 62 results Jun 7, 2012 Aug 3, 2021
Arsenic 1005 Inorganic Chemical 16 of 20 results Mar 15, 2004 Mar 17, 2025
Chromium 1020 Inorganic Chemical 15 of 20 results Oct 15, 2003 Jan 9, 2024
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 10 of 11 results Sep 4, 2007 Aug 19, 2025
Gross Alpha, Incl. Radon & U 4002 Radionuclide 10 of 10 results Mar 12, 2012 Oct 10, 2012
Selenium 1045 Inorganic Chemical 9 of 20 results Mar 15, 2004 Mar 8, 2016
TTHM 2950 Organic Chemical 8 of 10 results Jul 26, 2004 Aug 19, 2025
Nickel 1036 Inorganic Chemical 7 of 20 results Mar 15, 2004 Mar 17, 2025
Chloroform 2941 Organic Chemical 5 of 5 results Sep 4, 2007 Dec 15, 2020
Dichloroacetic Acid 2451 Organic Chemical 4 of 4 results Jun 21, 2010 Nov 17, 2020
Dibromoacetic Acid 2454 Organic Chemical 3 of 4 results Jun 21, 2010 Dec 7, 2016
Bromoform 2942 Organic Chemical 3 of 5 results Jun 21, 2010 Dec 7, 2016
Bromodichloromethane 2943 Organic Chemical 3 of 5 results Jun 21, 2010 Dec 7, 2016
Dibromochloromethane 2944 Organic Chemical 3 of 5 results Jun 21, 2010 Dec 7, 2016
Sodium 1052 Inorganic Chemical 2 of 2 results Sep 23, 2019 Sep 23, 2019
Trichloroacetic Acid 2452 Organic Chemical 2 of 4 results Aug 21, 2013 Dec 7, 2016
Ethylbenzene 2992 Organic Chemical 1 of 62 results Oct 14, 2015 Oct 14, 2015
Thallium, Total 1085 Inorganic Chemical 1 of 20 results Apr 29, 2013 Apr 29, 2013
Nitrate-Nitrite 1038 Inorganic Chemical 1 of 48 results Jul 24, 2006 Jul 24, 2006
Nitrate 1040 Inorganic Chemical 1 of 48 results Jul 24, 2006 Jul 24, 2006
Nitrite 1041 Inorganic Chemical 1 of 48 results Jul 24, 2006 Jul 24, 2006
Mercury 1035 Inorganic Chemical 1 of 20 results Mar 15, 2004 Mar 15, 2004

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 368 samples, newest first — collected August 13, 2024 to September 17, 2025. The summary above covers all 368.

47 results from the 10 samples listed here: 12 detected, 35 not detected. Across the whole record it is 493 of 2,155. 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 3 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 Enon-Locke-Curtis Water Assn, every result from 11 to 20 of 368 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
Sep 17, 2025 07:00
Sampling point
LC0002 Location withheld
Sample type
Routine
Lab sample
PB-250922-002
Laboratory
MSDH Lab
0.294 mg/l , sample collected Sep 17, 2025 07:00, sampling point LC0002 Copper, Free 1022 EPA method 200.8 Jan 1, 2025 – Dec 31, 2025
1.2 ug/l , sample collected Sep 17, 2025 07:00, sampling point LC0002 Lead 1030 EPA method 200.8 Jan 1, 2025 – Dec 31, 2025
Collected
Aug 19, 2025 12:05
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
HA-250820-009
Laboratory
MSDH Lab
17 ug/l , sample collected Aug 19, 2025 12:05, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Jan 1, 2025 – Dec 31, 2025
Collected
Aug 19, 2025 12:20
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
TH-250820-009
Laboratory
MSDH Lab
72 ug/l , sample collected Aug 19, 2025 12:20, sampling point MRT000 TTHM 2950 EPA method 524.2 Jan 1, 2025 – Dec 31, 2025
Collected
Mar 24, 2025 12:55
Sampling point
TF104 Treatment Plant 04
Sample type
Routine
Lab sample
NI-250325-062
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Mar 24, 2025 12:55, sampling point TF104 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Mar 24, 2025 12:55, sampling point TF104 Nitrate 1040 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Mar 24, 2025 12:55, sampling point TF104 Nitrite 1041 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Collected
Mar 24, 2025 12:45
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
NI-250325-061
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Mar 24, 2025 12:45, sampling point TF103 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Mar 24, 2025 12:45, sampling point TF103 Nitrate 1040 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Mar 24, 2025 12:45, sampling point TF103 Nitrite 1041 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Collected
Mar 17, 2025 16:00
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
IN-250318-007
Laboratory
MSDH Lab
0.001 mg/l , sample collected Mar 17, 2025 16:00, sampling point TF103 Arsenic 1005 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.0073 mg/l , sample collected Mar 17, 2025 16:00, sampling point TF103 Barium 1010 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 17, 2025 16:00, sampling point TF103 Cadmium 1015 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 17, 2025 16:00, sampling point TF103 Chromium 1020 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.222 mg/l , sample collected Mar 17, 2025 16:00, sampling point TF103 Fluoride 1025 EPA method QC 10-109-12-2-A Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 17, 2025 16:00, sampling point TF103 Mercury 1035 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.0008 mg/l , sample collected Mar 17, 2025 16:00, sampling point TF103 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected Mar 17, 2025 16:00, sampling point TF103 Selenium 1045 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 17, 2025 16:00, sampling point TF103 Antimony, Total 1074 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 17, 2025 16:00, sampling point TF103 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 17, 2025 16:00, sampling point TF103 Thallium, Total 1085 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Jan 27, 2025 11:30
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
VO-250128-055
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jan 27, 2025 11:30, sampling point TF103 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jan 27, 2025 11:30, sampling point TF103 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jan 27, 2025 11:30, sampling point TF103 Xylenes, Total 2955 EPA method 524.2 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jan 27, 2025 11:30, sampling point TF103 Dichloromethane 2964 EPA method 524.2 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jan 27, 2025 11:30, sampling point TF103 O-Dichlorobenzene 2968 EPA method 524.2 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jan 27, 2025 11:30, sampling point TF103 P-Dichlorobenzene 2969 EPA method 524.2 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jan 27, 2025 11:30, sampling point TF103 Vinyl Chloride 2976 EPA method 524.2 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jan 27, 2025 11:30, sampling point TF103 1,1-Dichloroethylene 2977 EPA method 524.2 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jan 27, 2025 11:30, sampling point TF103 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jan 27, 2025 11:30, sampling point TF103 1,2-Dichloroethane 2980 EPA method 524.2 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jan 27, 2025 11:30, sampling point TF103 1,1,1-Trichloroethane 2981 EPA method 524.2 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jan 27, 2025 11:30, sampling point TF103 Carbon Tetrachloride 2982 EPA method 524.2 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jan 27, 2025 11:30, sampling point TF103 1,2-Dichloropropane 2983 EPA method 524.2 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jan 27, 2025 11:30, sampling point TF103 Trichloroethylene 2984 EPA method 524.2 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jan 27, 2025 11:30, sampling point TF103 1,1,2-Trichloroethane 2985 EPA method 524.2 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jan 27, 2025 11:30, sampling point TF103 Tetrachloroethylene 2987 EPA method 524.2 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jan 27, 2025 11:30, sampling point TF103 Chlorobenzene 2989 EPA method 524.2 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jan 27, 2025 11:30, sampling point TF103 Benzene 2990 EPA method 524.2 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jan 27, 2025 11:30, sampling point TF103 Toluene 2991 EPA method 524.2 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jan 27, 2025 11:30, sampling point TF103 Ethylbenzene 2992 EPA method 524.2 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jan 27, 2025 11:30, sampling point TF103 Styrene 2996 EPA method 524.2 Jan 1, 2023 – Dec 31, 2025
Collected
Oct 15, 2024 15:00
Sampling point
TF104 Treatment Plant 04
Sample type
Routine
Lab sample
CN-241016-010
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Oct 15, 2024 15:00, sampling point TF104 Cyanide 1024 EPA method QC10204001X Jan 1, 2022 – Dec 31, 2024
Collected
Sep 18, 2024 07:00
Sampling point
LC0003 Location withheld
Sample type
Routine
Lab sample
PB-240919-018
Laboratory
MSDH Lab
0.0466 mg/l , sample collected Sep 18, 2024 07:00, sampling point LC0003 Copper, Free 1022 EPA method 200.8 Jan 1, 2024 – Dec 31, 2024
0.6 ug/l , sample collected Sep 18, 2024 07:00, sampling point LC0003 Lead 1030 EPA method 200.8 Jan 1, 2024 – Dec 31, 2024
Collected
Aug 13, 2024 07:00
Sampling point
LC0001 Location withheld
Sample type
Routine
Lab sample
PB-240822-059
Laboratory
MSDH Lab
0.0157 mg/l , sample collected Aug 13, 2024 07:00, sampling point LC0001 Copper, Free 1022 EPA method 200.8 Jan 1, 2024 – Dec 31, 2024
1.8 ug/l , sample collected Aug 13, 2024 07:00, sampling point LC0001 Lead 1030 EPA method 200.8 Jan 1, 2024 – Dec 31, 2024

Routine (10).