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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

MS0040003 , Ethel Rural Water Association

25 of the 57 analytes this system has been tested for have been detected at least once, across 343 samples on record.

The other 32 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 343 samples on record, detections range from August 11, 1993 to September 25, 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 Ethel Rural Water Association, 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 114 of 138 results Aug 11, 1993 Sep 23, 2025
Lead 1030 Inorganic Chemical 63 of 138 results Aug 11, 1993 Sep 23, 2025
Barium 1010 Inorganic Chemical 22 of 22 results Jan 29, 2002 Sep 9, 2025
TTHM 2950 Organic Chemical 18 of 23 results Jun 28, 2007 Sep 25, 2025
Chromium 1020 Inorganic Chemical 15 of 22 results Jan 29, 2002 Sep 9, 2025
Chloroform 2941 Organic Chemical 13 of 18 results Jul 15, 2008 Sep 25, 2025
Bromodichloromethane 2943 Organic Chemical 13 of 18 results Jul 15, 2008 Sep 25, 2025
Dibromochloromethane 2944 Organic Chemical 12 of 18 results Jul 15, 2008 Sep 25, 2025
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 11 of 22 results Jun 28, 2007 Sep 25, 2025
Gross Alpha, Incl. Radon & U 4002 Radionuclide 10 of 10 results Dec 7, 2011 Oct 2, 2012
Dichloroacetic Acid 2451 Organic Chemical 8 of 16 results Jul 15, 2008 Sep 25, 2025
Fluoride 1025 Inorganic Chemical 7 of 22 results Jan 25, 2005 Sep 9, 2025
Nickel 1036 Inorganic Chemical 7 of 22 results Jan 25, 2005 Sep 9, 2025
Bromoform 2942 Organic Chemical 6 of 18 results Jul 15, 2008 Sep 25, 2025
Sodium 1052 Inorganic Chemical 6 of 6 results Sep 24, 2019 Oct 30, 2024
Trichloroacetic Acid 2452 Organic Chemical 5 of 16 results Jul 15, 2008 Dec 18, 2024
Selenium 1045 Inorganic Chemical 5 of 22 results Jan 25, 2005 Mar 19, 2008
Cadmium 1015 Inorganic Chemical 4 of 22 results Jan 25, 2005 Jan 23, 2006
Sulfate 1055 Inorganic Chemical 4 of 4 results Jan 29, 2002 Jan 14, 2004
Dibromoacetic Acid 2454 Organic Chemical 3 of 16 results Jul 15, 2008 Sep 6, 2017
Xylenes, Total 2955 Organic Chemical 3 of 59 results Apr 12, 2004 May 24, 2006
Monochloroacetic Acid 2450 Organic Chemical 1 of 16 results Mar 19, 2019 Mar 19, 2019
Nitrate-Nitrite 1038 Inorganic Chemical 1 of 45 results Jan 29, 2019 Jan 29, 2019
Nitrate 1040 Inorganic Chemical 1 of 45 results Jan 29, 2019 Jan 29, 2019
Mercury 1035 Inorganic Chemical 1 of 22 results Jan 25, 2005 Jan 25, 2005

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 343 samples, newest first — collected June 27, 2018 to September 18, 2019. The summary above covers all 343.

45 results from the 10 samples listed here: 14 detected, 31 not detected. Across the whole record it is 353 of 2,169. 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 Ethel Rural Water Association, every result from 81 to 90 of 343 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 18, 2019 05:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
190919-024PB
Laboratory
MSDH Lab
0.0428 mg/l , sample collected Sep 18, 2019 05:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Sep 18, 2019 05:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Collected
Sep 18, 2019 06:10
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
190919-023PB
Laboratory
MSDH Lab
0.5561 mg/l , sample collected Sep 18, 2019 06:10, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Sep 18, 2019 06:10, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Collected
Mar 19, 2019 15:04
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
190320-004HA
Laboratory
MSDH Lab
0.006 mg/l , sample collected Mar 19, 2019 15:04, sampling point MRT000 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Mar 19, 2019 15:04, sampling point MRT000 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Mar 19, 2019 15:04, sampling point MRT000 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Mar 19, 2019 15:04, sampling point MRT000 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Mar 19, 2019 15:04, sampling point MRT000 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
0.006 mg/l , sample collected Mar 19, 2019 15:04, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 Not recorded
Collected
Mar 19, 2019 15:50
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
190320-004TH
Laboratory
MSDH Lab
1.7 ug/l , sample collected Mar 19, 2019 15:50, sampling point MRT000 Chloroform 2941 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Mar 19, 2019 15:50, sampling point MRT000 Bromoform 2942 EPA method 524.2 Not recorded
1.65 ug/l , sample collected Mar 19, 2019 15:50, sampling point MRT000 Bromodichloromethane 2943 EPA method 524.2 Not recorded
1.62 ug/l , sample collected Mar 19, 2019 15:50, sampling point MRT000 Dibromochloromethane 2944 EPA method 524.2 Not recorded
5 ug/l , sample collected Mar 19, 2019 15:50, sampling point MRT000 TTHM 2950 Not recorded
Collected
Jan 29, 2019 15:10
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
190130-012NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Jan 29, 2019 15:10, sampling point TF102 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2019 – Dec 31, 2019
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Jan 29, 2019 15:10, sampling point TF102 Nitrate 1040 EPA method QC10107041C Jan 1, 2019 – Dec 31, 2019
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Jan 29, 2019 15:10, sampling point TF102 Nitrite 1041 EPA method QC10107041C Jan 1, 2019 – Dec 31, 2019
Collected
Jan 29, 2019 15:01
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
190130-004NI
Laboratory
MSDH Lab
0.1 mg/l , sample collected Jan 29, 2019 15:01, sampling point TF101 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2019 – Dec 31, 2019
0.1 mg/l , sample collected Jan 29, 2019 15:01, sampling point TF101 Nitrate 1040 EPA method QC10107041C Jan 1, 2019 – Dec 31, 2019
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Jan 29, 2019 15:01, sampling point TF101 Nitrite 1041 EPA method QC10107041C Jan 1, 2019 – Dec 31, 2019
Collected
Sep 18, 2018 12:15
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
180919-023IN
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Sep 18, 2018 12:15, sampling point TF101 Arsenic 1005 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
0.0329 mg/l , sample collected Sep 18, 2018 12:15, sampling point TF101 Barium 1010 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Sep 18, 2018 12:15, sampling point TF101 Cadmium 1015 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
0.0028 mg/l , sample collected Sep 18, 2018 12:15, sampling point TF101 Chromium 1020 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Sep 18, 2018 12:15, sampling point TF101 Fluoride 1025 EPA method 300.0 Jan 1, 2017 – Dec 31, 2019
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Sep 18, 2018 12:15, sampling point TF101 Mercury 1035 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Sep 18, 2018 12:15, sampling point TF101 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Sep 18, 2018 12:15, sampling point TF101 Selenium 1045 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Sep 18, 2018 12:15, sampling point TF101 Antimony, Total 1074 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Sep 18, 2018 12:15, sampling point TF101 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Sep 18, 2018 12:15, sampling point TF101 Thallium, Total 1085 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Collected
Sep 18, 2018 12:25
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
180919-022IN
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Sep 18, 2018 12:25, sampling point TF102 Arsenic 1005 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
0.0319 mg/l , sample collected Sep 18, 2018 12:25, sampling point TF102 Barium 1010 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Sep 18, 2018 12:25, sampling point TF102 Cadmium 1015 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
0.0032 mg/l , sample collected Sep 18, 2018 12:25, sampling point TF102 Chromium 1020 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Sep 18, 2018 12:25, sampling point TF102 Fluoride 1025 EPA method 300.0 Jan 1, 2017 – Dec 31, 2019
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Sep 18, 2018 12:25, sampling point TF102 Mercury 1035 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Sep 18, 2018 12:25, sampling point TF102 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Sep 18, 2018 12:25, sampling point TF102 Selenium 1045 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Sep 18, 2018 12:25, sampling point TF102 Antimony, Total 1074 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Sep 18, 2018 12:25, sampling point TF102 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Sep 18, 2018 12:25, sampling point TF102 Thallium, Total 1085 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Collected
Jun 27, 2018 10:05
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
180628-016RU
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 27, 2018 10:05, sampling point TF102 Combined Uranium 4006 EPA method 200.8 Jan 1, 2013 – Dec 31, 2021
Collected
Jun 27, 2018 10:00
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
180628-015RU
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 27, 2018 10:00, sampling point TF101 Combined Uranium 4006 EPA method 200.8 Jan 1, 2013 – Dec 31, 2021

Routine (10).