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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 111–120 of 196 samples, newest first — collected June 29, 2009 to August 4, 2010. The summary above covers all 196.

35 results from the 10 samples listed here: 12 detected, 23 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 111 to 120 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
Aug 4, 2010
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
100805-003HA
Laboratory
MSDH Lab
Not detected below 0.002 mg/l Minimum Reporting Level , sample collected Aug 4, 2010, sampling point MRT000 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Aug 4, 2010, sampling point MRT000 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Aug 4, 2010, sampling point MRT000 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Aug 4, 2010, sampling point MRT000 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Aug 4, 2010, sampling point MRT000 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
0 This result is recorded as a detection, and the figure the agency wrote — "0.00" — is zero to the precision it was written to. Read the zero as "smaller than the written figure resolves", not as "none present". SDWIS holds a separate numeric concentration that Drinking Water Watch does not publish, so this endpoint does not carry it either; no more precise magnitude is available here. The agency recorded a value but no unit of measure for it. The unit is NOT inferable from the analyte: many analytes are reported in more than one unit — TTHM and HAA5 in both MG/L and UG/L — so there is no per-analyte default to fall back on. The number is published as it stands and must not be compared to a limit. The agency recorded which kind of limit this result was below, but stored 0.000000000 as the limit itself, which is not a level. The type is published and the value is null. What the limit was is not on record. Whether the result was a detection is a separate column: read resultType. , sample collected Aug 4, 2010, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 Jan 1, 2008 – Dec 31, 2010
Collected
Aug 4, 2010
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
100805-003TH
Laboratory
MSDH Lab
Not detected below 1 ug/l Minimum Reporting Level , sample collected Aug 4, 2010, sampling point MRT000 Chloroform 2941 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Aug 4, 2010, sampling point MRT000 Bromoform 2942 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Aug 4, 2010, sampling point MRT000 Bromodichloromethane 2943 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Aug 4, 2010, sampling point MRT000 Dibromochloromethane 2944 EPA method 524.2 Not recorded
0 This result is recorded as a detection, and the figure the agency wrote — "0.00" — is zero to the precision it was written to. Read the zero as "smaller than the written figure resolves", not as "none present". SDWIS holds a separate numeric concentration that Drinking Water Watch does not publish, so this endpoint does not carry it either; no more precise magnitude is available here. The agency recorded a value but no unit of measure for it. The unit is NOT inferable from the analyte: many analytes are reported in more than one unit — TTHM and HAA5 in both MG/L and UG/L — so there is no per-analyte default to fall back on. The number is published as it stands and must not be compared to a limit. The agency recorded which kind of limit this result was below, but stored 0.000000000 as the limit itself, which is not a level. The type is published and the value is null. What the limit was is not on record. Whether the result was a detection is a separate column: read resultType. , sample collected Aug 4, 2010, sampling point MRT000 TTHM 2950 EPA method 524.2 Jan 1, 2008 – Dec 31, 2010
Collected
May 12, 2010
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
100513-060IN
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 12, 2010, sampling point TF080 Arsenic 1005 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
0.009614 mg/l , sample collected May 12, 2010, sampling point TF080 Barium 1010 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 12, 2010, sampling point TF080 Cadmium 1015 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 12, 2010, sampling point TF080 Chromium 1020 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected May 12, 2010, sampling point TF080 Fluoride 1025 EPA method 380-75WE Jan 1, 2008 – Dec 31, 2010
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 12, 2010, sampling point TF080 Mercury 1035 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
0.001652 mg/l , sample collected May 12, 2010, sampling point TF080 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected May 12, 2010, sampling point TF080 Selenium 1045 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 12, 2010, sampling point TF080 Antimony, Total 1074 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 12, 2010, sampling point TF080 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 12, 2010, sampling point TF080 Thallium, Total 1085 EPA method 200.8 Jan 1, 2008 – Dec 31, 2010
Collected
Apr 26, 2010
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
100427-009CN
Laboratory
MSDH Lab
Not detected below 15 ug/l Minimum Reporting Level , sample collected Apr 26, 2010, sampling point TF080 Cyanide 1024 EPA method QC10204001X Jan 1, 2008 – Dec 31, 2010
Collected
Jun 29, 2009
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
090630-080PB
Laboratory
MSDH Lab
0.0258 mg/l , sample collected Jun 29, 2009, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2009 – Dec 31, 2009
0.0024 mg/l , sample collected Jun 29, 2009, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2009 – Dec 31, 2009
Collected
Jun 29, 2009
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
090630-079PB
Laboratory
MSDH Lab
0.0073 mg/l , sample collected Jun 29, 2009, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2009 – Dec 31, 2009
0.0005 mg/l , sample collected Jun 29, 2009, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2009 – Dec 31, 2009
Collected
Jun 29, 2009
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
090630-078PB
Laboratory
MSDH Lab
0.0194 mg/l , sample collected Jun 29, 2009, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2009 – Dec 31, 2009
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 29, 2009, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2009 – Dec 31, 2009
Collected
Jun 29, 2009
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
090630-077PB
Laboratory
MSDH Lab
0.0011 mg/l , sample collected Jun 29, 2009, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2009 – Dec 31, 2009
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 29, 2009, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2009 – Dec 31, 2009
Collected
Jun 29, 2009
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
090630-076PB
Laboratory
MSDH Lab
0.0393 mg/l , sample collected Jun 29, 2009, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2009 – Dec 31, 2009
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 29, 2009, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2009 – Dec 31, 2009
Collected
Jun 29, 2009
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
090630-075PB
Laboratory
MSDH Lab
0.0135 mg/l , sample collected Jun 29, 2009, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2009 – Dec 31, 2009
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 29, 2009, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2009 – Dec 31, 2009

Routine (10).