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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

MS0800013 , Ellison Ridge Water Assn

16 of the 57 analytes this system has been tested for have been detected at least once, across 196 samples on record.

The other 41 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 196 samples on record, detections range from November 3, 2003 to April 23, 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 Ellison Ridge 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 110 of 110 results Jun 29, 2004 Sep 30, 2024
Lead 1030 Inorganic Chemical 28 of 110 results Jun 29, 2004 Aug 4, 2021
Nitrate-Nitrite 1038 Inorganic Chemical 20 of 20 results Jun 23, 2004 Apr 24, 2024
Nitrate 1040 Inorganic Chemical 20 of 20 results Jun 23, 2004 Apr 24, 2024
Barium 1010 Inorganic Chemical 10 of 10 results Nov 3, 2003 Apr 23, 2025
Nickel 1036 Inorganic Chemical 6 of 10 results Apr 5, 2004 Apr 23, 2025
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 5 of 18 results Aug 4, 2010 Jul 31, 2024
Gross Alpha, Incl. Radon & U 4002 Radionuclide 5 of 5 results Dec 15, 2011 Jul 17, 2012
TTHM 2950 Organic Chemical 4 of 17 results Sep 17, 2007 Oct 18, 2022
Chromium 1020 Inorganic Chemical 3 of 10 results Nov 3, 2003 Apr 23, 2025
Sodium 1052 Inorganic Chemical 2 of 2 results Sep 23, 2019 Mar 22, 2023
Monobromoacetic Acid 2453 Organic Chemical 1 of 13 results Nov 4, 2020 Nov 4, 2020
Trichloroacetic Acid 2452 Organic Chemical 1 of 13 results Sep 12, 2016 Sep 12, 2016
Dibromochloromethane 2944 Organic Chemical 1 of 12 results Sep 12, 2016 Sep 12, 2016
Cadmium 1015 Inorganic Chemical 1 of 10 results May 2, 2005 May 2, 2005
Selenium 1045 Inorganic Chemical 1 of 10 results May 2, 2005 May 2, 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 21–30 of 196 samples, newest first — collected October 25, 2022 to July 31, 2024. The summary above covers all 196.

44 results from the 10 samples listed here: 8 detected, 36 not detected. Across the whole record it is 218 of 725. 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 Ellison Ridge Water Assn, every result from 21 to 30 of 196 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
Jul 31, 2024 09:00
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
HA-240801-015
Laboratory
MSDH Lab
1.09 ug/l , sample collected Jul 31, 2024 09:00, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Jan 1, 2024 – Dec 31, 2024
Collected
Jul 31, 2024 09:00
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
TH-240801-015
Laboratory
MSDH Lab
Not detected below 1 ug/l Minimum Reporting Level , sample collected Jul 31, 2024 09:00, sampling point MRT000 TTHM 2950 EPA method 524.2 Jan 1, 2024 – Dec 31, 2024
Collected
Apr 24, 2024 09:00
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
NI-240425-072
Laboratory
MSDH Lab
1.23 mg/l , sample collected Apr 24, 2024 09:00, sampling point TF080 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2024 – Dec 31, 2024
1.23 mg/l , sample collected Apr 24, 2024 09:00, sampling point TF080 Nitrate 1040 EPA method QC10107041C Jan 1, 2024 – Dec 31, 2024
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Apr 24, 2024 09:00, sampling point TF080 Nitrite 1041 EPA method QC10107041C Jan 1, 2024 – Dec 31, 2024
Collected
Sep 13, 2023 11:30
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
HA-230914-005
Laboratory
MSDH Lab
Not detected below 1 ug/l Minimum Reporting Level , sample collected Sep 13, 2023 11:30, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Jan 1, 2023 – Dec 31, 2023
Collected
Sep 13, 2023 11:30
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
TH-230914-005
Laboratory
MSDH Lab
Not detected below 1 ug/l Minimum Reporting Level , sample collected Sep 13, 2023 11:30, sampling point MRT000 TTHM 2950 EPA method 524.2 Jan 1, 2023 – Dec 31, 2023
Collected
Mar 22, 2023 09:30
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
NA-230323-013
Laboratory
MSDH Lab
3.12 mg/l , sample collected Mar 22, 2023 09:30, sampling point TF080 Sodium 1052 EPA method 200.7 Not recorded
Collected
Mar 22, 2023 09:35
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
NI-230323-022
Laboratory
MSDH Lab
1.11 mg/l , sample collected Mar 22, 2023 09:35, sampling point TF080 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2023 – Dec 31, 2023
1.11 mg/l , sample collected Mar 22, 2023 09:35, sampling point TF080 Nitrate 1040 EPA method QC10107041C Jan 1, 2023 – Dec 31, 2023
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Mar 22, 2023 09:35, sampling point TF080 Nitrite 1041 EPA method QC10107041C Jan 1, 2023 – Dec 31, 2023
Collected
Nov 28, 2022 13:55
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
IN-221129-022
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Nov 28, 2022 13:55, sampling point TF080 Arsenic 1005 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
0.0091 mg/l , sample collected Nov 28, 2022 13:55, sampling point TF080 Barium 1010 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Nov 28, 2022 13:55, sampling point TF080 Cadmium 1015 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Nov 28, 2022 13:55, sampling point TF080 Chromium 1020 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Nov 28, 2022 13:55, sampling point TF080 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 Nov 28, 2022 13:55, sampling point TF080 Mercury 1035 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
0.0006 mg/l , sample collected Nov 28, 2022 13:55, sampling point TF080 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected Nov 28, 2022 13:55, sampling point TF080 Selenium 1045 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Nov 28, 2022 13:55, sampling point TF080 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 Nov 28, 2022 13:55, sampling point TF080 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 Nov 28, 2022 13:55, sampling point TF080 Thallium, Total 1085 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Collected
Oct 25, 2022 13:15
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
CN-221026-001
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Oct 25, 2022 13:15, sampling point TF080 Cyanide 1024 EPA method QC10204001X Jan 1, 2020 – Dec 31, 2022
Collected
Oct 25, 2022 13:00
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
VO-221026-014
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 25, 2022 13:00, sampling point TF080 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 Oct 25, 2022 13:00, sampling point TF080 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 Oct 25, 2022 13:00, sampling point TF080 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 Oct 25, 2022 13:00, sampling point TF080 Dichloromethane 2964 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 25, 2022 13:00, sampling point TF080 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 Oct 25, 2022 13:00, sampling point TF080 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 Oct 25, 2022 13:00, sampling point TF080 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 Oct 25, 2022 13:00, sampling point TF080 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 Oct 25, 2022 13:00, sampling point TF080 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 Oct 25, 2022 13:00, sampling point TF080 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 Oct 25, 2022 13:00, sampling point TF080 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 Oct 25, 2022 13:00, sampling point TF080 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 Oct 25, 2022 13:00, sampling point TF080 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 Oct 25, 2022 13:00, sampling point TF080 Trichloroethylene 2984 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 25, 2022 13:00, sampling point TF080 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 Oct 25, 2022 13:00, sampling point TF080 Tetrachloroethylene 2987 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 25, 2022 13:00, sampling point TF080 Chlorobenzene 2989 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 25, 2022 13:00, sampling point TF080 Benzene 2990 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 25, 2022 13:00, sampling point TF080 Toluene 2991 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 25, 2022 13:00, sampling point TF080 Ethylbenzene 2992 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 25, 2022 13:00, sampling point TF080 Styrene 2996 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022

Routine (10).