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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

MS0340004 , Erata Water Association

33 of the 72 analytes this system has been tested for have been detected at least once, across 165 samples on record.

The other 39 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 165 samples on record, detections range from September 24, 2003 to July 27, 2026. 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 Erata 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 62 of 71 results Jul 25, 2007 Jul 27, 2026
Lead 1030 Inorganic Chemical 50 of 71 results Jul 25, 2007 Aug 29, 2023
Barium 1010 Inorganic Chemical 10 of 10 results Sep 24, 2003 Feb 24, 2025
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 8 of 19 results Aug 7, 2007 Nov 20, 2024
Fluoride 1025 Inorganic Chemical 7 of 11 results Feb 23, 2004 Aug 29, 2022
TTHM 2950 Organic Chemical 6 of 20 results Jun 14, 2004 Jun 3, 2024
Nickel 1036 Inorganic Chemical 5 of 10 results Jan 12, 2009 Aug 29, 2022
Gross Alpha, Incl. Radon & U 4002 Radionuclide 5 of 5 results Dec 14, 2011 Jul 17, 2012
Sodium 1052 Inorganic Chemical 4 of 4 results Jul 6, 2010 Feb 3, 2025
Monochloroacetic Acid 2450 Organic Chemical 4 of 15 results Jul 1, 2015 Nov 20, 2024
Sulfate 1055 Inorganic Chemical 3 of 3 results Sep 24, 2003 Jul 6, 2010
Dibromochloromethane 2944 Organic Chemical 2 of 16 results Jun 3, 2024 Jun 3, 2024
Monobromoacetic Acid 2453 Organic Chemical 2 of 15 results Aug 14, 2018 Jun 15, 2020
Dichloroacetic Acid 2451 Organic Chemical 1 of 15 results Jun 15, 2020 Jun 15, 2020
Calcium 1016 Inorganic Chemical 1 of 1 result Jul 6, 2010 Jul 6, 2010
Chloride 1017 Inorganic Chemical 1 of 1 result Jul 6, 2010 Jul 6, 2010
Iron 1028 Inorganic Chemical 1 of 1 result Jul 6, 2010 Jul 6, 2010
Magnesium 1031 Inorganic Chemical 1 of 1 result Jul 6, 2010 Jul 6, 2010
Manganese 1032 Inorganic Chemical 1 of 1 result Jul 6, 2010 Jul 6, 2010
Potassium 1042 Inorganic Chemical 1 of 1 result Jul 6, 2010 Jul 6, 2010
Residue, Total, Filterable 1057 Water Quality 1 of 1 result Jul 6, 2010 Jul 6, 2010
Alkalinity, Caco3 Stability 1067 Water Quality 1 of 1 result Jul 6, 2010 Jul 6, 2010
Carbon Dioxide 1901 Water Quality 1 of 1 result Jul 6, 2010 Jul 6, 2010
Color 1905 Water Quality 1 of 1 result Jul 6, 2010 Jul 6, 2010
Hardness, Total (As Caco3) 1915 Water Quality 1 of 1 result Jul 6, 2010 Jul 6, 2010
Alkalinity, Total 1927 Water Quality 1 of 1 result Jul 6, 2010 Jul 6, 2010
Iron, Field Result FEFD Inorganic Chemical 1 of 1 result Jul 6, 2010 Jul 6, 2010
Calculated Sodium NACA Water Quality 1 of 1 result Jul 6, 2010 Jul 6, 2010
PH, Field Result PHFD Water Quality 1 of 1 result Jul 6, 2010 Jul 6, 2010
Dichloromethane 2964 Organic Chemical 1 of 8 results Aug 2, 2004 Aug 2, 2004
Chromium 1020 Inorganic Chemical 1 of 10 results Feb 23, 2004 Feb 23, 2004
Mercury 1035 Inorganic Chemical 1 of 10 results Feb 23, 2004 Feb 23, 2004
Selenium 1045 Inorganic Chemical 1 of 10 results Feb 23, 2004 Feb 23, 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 141–150 of 165 samples, newest first — collected February 13, 2006 to July 26, 2007. The summary above covers all 165.

31 results from the 10 samples listed here: 13 detected, 18 not detected. Across the whole record it is 188 of 722. 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 Erata Water Association, every result from 141 to 150 of 165 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 26, 2007
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
070727-034PB
Laboratory
MSDH Lab
0.066 mg/l , sample collected Jul 26, 2007, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
0.0023 mg/l , sample collected Jul 26, 2007, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
Collected
Jul 26, 2007
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
070727-033PB
Laboratory
MSDH Lab
0.0515 mg/l , sample collected Jul 26, 2007, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
0.0006 mg/l , sample collected Jul 26, 2007, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
Collected
Jul 26, 2007
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
070727-032PB
Laboratory
MSDH Lab
0.3369 mg/l , sample collected Jul 26, 2007, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
0.001 mg/l , sample collected Jul 26, 2007, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
Collected
Jul 26, 2007
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
070727-031PB
Laboratory
MSDH Lab
0.0905 mg/l , sample collected Jul 26, 2007, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
0.0025 mg/l , sample collected Jul 26, 2007, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
Collected
Jul 26, 2007
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
070727-059PB
Laboratory
MSDH Lab
0.1799 mg/l , sample collected Jul 26, 2007, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
0.0156 mg/l , sample collected Jul 26, 2007, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
Collected
Jul 25, 2007
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
070727-026PB
Laboratory
MSDH Lab
0.1362 mg/l , sample collected Jul 25, 2007, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
0.0039 mg/l , sample collected Jul 25, 2007, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
Collected
May 2, 2007
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
070503-018NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected May 2, 2007, sampling point TF080 Nitrate-Nitrite 1038 EPA method 353.2 Jan 1, 2007 – Dec 31, 2007
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected May 2, 2007, sampling point TF080 Nitrate 1040 EPA method 353.2 Jan 1, 2007 – Dec 31, 2007
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected May 2, 2007, sampling point TF080 Nitrite 1041 EPA method 353.2 Jan 1, 2007 – Dec 31, 2007
Collected
Jun 28, 2006
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
060629-048NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Jun 28, 2006, sampling point TF080 Nitrate-Nitrite 1038 EPA method 353.2 Jan 1, 2006 – Dec 31, 2006
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Jun 28, 2006, sampling point TF080 Nitrate 1040 EPA method 353.2 Jan 1, 2006 – Dec 31, 2006
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Jun 28, 2006, sampling point TF080 Nitrite 1041 EPA method 353.2 Jan 1, 2006 – Dec 31, 2006
Collected
Feb 13, 2006
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
060214-140IN
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 13, 2006, sampling point TF080 Arsenic 1005 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
0.08479 mg/l , sample collected Feb 13, 2006, sampling point TF080 Barium 1010 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
Not detected below 0.0001 mg/l Minimum Reporting Level , sample collected Feb 13, 2006, sampling point TF080 Cadmium 1015 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 13, 2006, sampling point TF080 Chromium 1020 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Feb 13, 2006, sampling point TF080 Fluoride 1025 EPA method 380-75WE Jan 1, 2005 – Dec 31, 2007
Not detected below 0.0002 mg/l Minimum Reporting Level , sample collected Feb 13, 2006, sampling point TF080 Mercury 1035 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 13, 2006, sampling point TF080 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 13, 2006, sampling point TF080 Selenium 1045 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 13, 2006, sampling point TF080 Antimony, Total 1074 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
Not detected below 0.0001 mg/l Minimum Reporting Level , sample collected Feb 13, 2006, sampling point TF080 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 13, 2006, sampling point TF080 Thallium, Total 1085 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 13, 2006, sampling point TF080 Uranium-238 4009 Not recorded
Collected
Feb 13, 2006
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
060214-017CN
Laboratory
MSDH Lab
Not detected below 0.005 mg/l Minimum Reporting Level , sample collected Feb 13, 2006, sampling point TF080 Cyanide 1024 EPA method QC10204001X Jan 1, 2005 – Dec 31, 2007

Routine (10).