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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 141–150 of 343 samples, newest first — collected May 14, 2012 to October 2, 2012. The summary above covers all 343.

48 results from the 10 samples listed here: 6 detected, 42 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 141 to 150 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
Oct 2, 2012 10:00
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
201301100575
Laboratory
Radiation Safety Engineering
0.4 pci/l , sample collected Oct 2, 2012 10:00, sampling point TF102 Gross Alpha, Incl. Radon & U 4002 EPA method 00-02 Not recorded
Not detected below 0.417 pci/l Minimum Reporting Level , sample collected Oct 2, 2012 10:00, sampling point TF102 Combined Radium (-226 & -228) 4010 Not recorded
Not detected below 0.417 pci/l Minimum Reporting Level , sample collected Oct 2, 2012 10:00, sampling point TF102 Radium-226 4020 EPA method 903.1 Oct 1, 2012 – Dec 31, 2012
Not detected below 0.35 pci/l Minimum Reporting Level , sample collected Oct 2, 2012 10:00, sampling point TF102 Radium-228 4030 EPA method 904.0 Oct 1, 2012 – Dec 31, 2012
Collected
Oct 1, 2012 08:15
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
121002-126
Laboratory
Radiation Safety Engineering
0.4 pci/l , sample collected Oct 1, 2012 08:15, sampling point TF102 Gross Alpha, Incl. Radon & U 4002 EPA method 00-02 Not recorded
Not detected below 0.417 pci/l Minimum Reporting Level , sample collected Oct 1, 2012 08:15, sampling point TF102 Combined Radium (-226 & -228) 4010 Not recorded
Not detected below 0.417 pci/l Minimum Reporting Level , sample collected Oct 1, 2012 08:15, sampling point TF102 Radium-226 4020 EPA method 903.1 Oct 1, 2012 – Dec 31, 2012
Not detected below 0.35 pci/l Minimum Reporting Level , sample collected Oct 1, 2012 08:15, sampling point TF102 Radium-228 4030 EPA method 904.0 Oct 1, 2012 – Dec 31, 2012
Collected
Sep 27, 2012 02:30
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
120928-001VO
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 27, 2012 02:30, sampling point TF102 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Jan 1, 2012 – Dec 31, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 27, 2012 02:30, sampling point TF102 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Jan 1, 2012 – Dec 31, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 27, 2012 02:30, sampling point TF102 Xylenes, Total 2955 EPA method 524.2 Jan 1, 2012 – Dec 31, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 27, 2012 02:30, sampling point TF102 Dichloromethane 2964 EPA method 524.2 Jan 1, 2012 – Dec 31, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 27, 2012 02:30, sampling point TF102 O-Dichlorobenzene 2968 EPA method 524.2 Jan 1, 2012 – Dec 31, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 27, 2012 02:30, sampling point TF102 P-Dichlorobenzene 2969 EPA method 524.2 Jan 1, 2012 – Dec 31, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 27, 2012 02:30, sampling point TF102 Vinyl Chloride 2976 EPA method 524.2 Jan 1, 2012 – Dec 31, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 27, 2012 02:30, sampling point TF102 1,1-Dichloroethylene 2977 EPA method 524.2 Jan 1, 2012 – Dec 31, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 27, 2012 02:30, sampling point TF102 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Jan 1, 2012 – Dec 31, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 27, 2012 02:30, sampling point TF102 1,2-Dichloroethane 2980 EPA method 524.2 Jan 1, 2012 – Dec 31, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 27, 2012 02:30, sampling point TF102 1,1,1-Trichloroethane 2981 EPA method 524.2 Jan 1, 2012 – Dec 31, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 27, 2012 02:30, sampling point TF102 Carbon Tetrachloride 2982 EPA method 524.2 Jan 1, 2012 – Dec 31, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 27, 2012 02:30, sampling point TF102 1,2-Dichloropropane 2983 EPA method 524.2 Jan 1, 2012 – Dec 31, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 27, 2012 02:30, sampling point TF102 Trichloroethylene 2984 EPA method 524.2 Jan 1, 2012 – Dec 31, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 27, 2012 02:30, sampling point TF102 1,1,2-Trichloroethane 2985 EPA method 524.2 Jan 1, 2012 – Dec 31, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 27, 2012 02:30, sampling point TF102 Tetrachloroethylene 2987 EPA method 524.2 Jan 1, 2012 – Dec 31, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 27, 2012 02:30, sampling point TF102 Chlorobenzene 2989 EPA method 524.2 Jan 1, 2012 – Dec 31, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 27, 2012 02:30, sampling point TF102 Benzene 2990 EPA method 524.2 Jan 1, 2012 – Dec 31, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 27, 2012 02:30, sampling point TF102 Toluene 2991 EPA method 524.2 Jan 1, 2012 – Dec 31, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 27, 2012 02:30, sampling point TF102 Ethylbenzene 2992 EPA method 524.2 Jan 1, 2012 – Dec 31, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 27, 2012 02:30, sampling point TF102 Styrene 2996 EPA method 524.2 Jan 1, 2012 – Dec 31, 2012
Collected
Sep 13, 2012 04:00
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
201211290067
Laboratory
Radiation Safety Engineering
0.8 pci/l , sample collected Sep 13, 2012 04:00, sampling point TF101 Gross Alpha, Incl. Radon & U 4002 EPA method 00-02 Not recorded
Not detected below 0.45 pci/l Minimum Reporting Level , sample collected Sep 13, 2012 04:00, sampling point TF101 Combined Radium (-226 & -228) 4010 Not recorded
Not detected below 0.348 pci/l Minimum Reporting Level , sample collected Sep 13, 2012 04:00, sampling point TF101 Radium-226 4020 EPA method 903.1 Jul 1, 2012 – Sep 30, 2012
Not detected below 0.45 pci/l Minimum Reporting Level , sample collected Sep 13, 2012 04:00, sampling point TF101 Radium-228 4030 EPA method 904.0 Jul 1, 2012 – Sep 30, 2012
Collected
Sep 12, 2012 08:00
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
120913-004
Laboratory
Radiation Safety Engineering
0.8 pci/l , sample collected Sep 12, 2012 08:00, sampling point TF101 Gross Alpha, Incl. Radon & U 4002 EPA method 00-02 Not recorded
Not detected below 0.45 pci/l Minimum Reporting Level , sample collected Sep 12, 2012 08:00, sampling point TF101 Combined Radium (-226 & -228) 4010 Not recorded
Not detected below 0.348 pci/l Minimum Reporting Level , sample collected Sep 12, 2012 08:00, sampling point TF101 Radium-226 4020 EPA method 903.1 Jul 1, 2012 – Sep 30, 2012
Not detected below 0.45 pci/l Minimum Reporting Level , sample collected Sep 12, 2012 08:00, sampling point TF101 Radium-228 4030 EPA method 904.0 Jul 1, 2012 – Sep 30, 2012
Collected
Sep 12, 2012 08:00
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
120913-004RU
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Sep 12, 2012 08:00, sampling point TF101 Combined Uranium 4006 EPA method 200.8 Jul 1, 2012 – Sep 30, 2012
Collected
Aug 2, 2012 10:30
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
120803-083
Laboratory
Radiation Safety Engineering
0.4 pci/l , sample collected Aug 2, 2012 10:30, sampling point TF102 Gross Alpha, Incl. Radon & U 4002 EPA method 00-02 Not recorded
Not detected below 0.417 pci/l Minimum Reporting Level , sample collected Aug 2, 2012 10:30, sampling point TF102 Combined Radium (-226 & -228) 4010 Not recorded
Not detected below 0.417 pci/l Minimum Reporting Level , sample collected Aug 2, 2012 10:30, sampling point TF102 Radium-226 4020 EPA method 903.1 Jul 1, 2012 – Sep 30, 2012
Not detected below 0.35 pci/l Minimum Reporting Level , sample collected Aug 2, 2012 10:30, sampling point TF102 Radium-228 4030 EPA method 904.0 Jul 1, 2012 – Sep 30, 2012
Collected
Aug 2, 2012 10:30
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
120803-083RU
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Aug 2, 2012 10:30, sampling point TF102 Combined Uranium 4006 EPA method 200.8 Jul 1, 2012 – Sep 30, 2012
Collected
May 14, 2012 09:00
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
120515-173
Laboratory
Radiation Safety Engineering
0.4 pci/l , sample collected May 14, 2012 09:00, sampling point TF102 Gross Alpha, Incl. Radon & U 4002 EPA method 00-02 Not recorded
Not detected below 0.417 pci/l Minimum Reporting Level , sample collected May 14, 2012 09:00, sampling point TF102 Combined Radium (-226 & -228) 4010 Not recorded
Not detected below 0.417 pci/l Minimum Reporting Level , sample collected May 14, 2012 09:00, sampling point TF102 Radium-226 4020 EPA method 903.1 Apr 1, 2012 – Jun 30, 2012
Not detected below 0.35 pci/l Minimum Reporting Level , sample collected May 14, 2012 09:00, sampling point TF102 Radium-228 4030 EPA method 904.0 Apr 1, 2012 – Jun 30, 2012
Collected
May 14, 2012 09:00
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
120515-173RU
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 14, 2012 09:00, sampling point TF102 Combined Uranium 4006 EPA method 200.8 Apr 1, 2012 – Jun 30, 2012

Routine (10).