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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 71–80 of 165 samples, newest first — collected February 22, 2017 to October 24, 2017. The summary above covers all 165.

21 results from the 10 samples listed here: 15 detected, 6 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 71 to 80 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
Oct 24, 2017
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
171027-006PB
Laboratory
MSDH Lab
0.0739 mg/l , sample collected Oct 24, 2017, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
0.0008 mg/l , sample collected Oct 24, 2017, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Collected
Jun 20, 2017 06:45
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
170621-065PB
Laboratory
MSDH Lab
0.0552 mg/l , sample collected Jun 20, 2017 06:45, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
0.0015 mg/l , sample collected Jun 20, 2017 06:45, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Collected
Jun 20, 2017 06:06
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
170621-058PB
Laboratory
MSDH Lab
0.4722 mg/l , sample collected Jun 20, 2017 06:06, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
0.0132 mg/l , sample collected Jun 20, 2017 06:06, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Collected
Jun 20, 2017 06:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
170621-054PB
Laboratory
MSDH Lab
0.0246 mg/l , sample collected Jun 20, 2017 06:30, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 20, 2017 06:30, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Collected
Jun 20, 2017 20:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
170621-051PB
Laboratory
MSDH Lab
0.0786 mg/l , sample collected Jun 20, 2017 20:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
0.0005 mg/l , sample collected Jun 20, 2017 20:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Collected
Jun 19, 2017 08:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
170621-057PB
Laboratory
MSDH Lab
0.1663 mg/l , sample collected Jun 19, 2017 08:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
0.0008 mg/l , sample collected Jun 19, 2017 08:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Collected
Jun 19, 2017 16:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
170621-056PB
Laboratory
MSDH Lab
0.3993 mg/l , sample collected Jun 19, 2017 16:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 19, 2017 16:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Collected
Jun 19, 2017 16:35
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
170621-053PB
Laboratory
MSDH Lab
0.1272 mg/l , sample collected Jun 19, 2017 16:35, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 19, 2017 16:35, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Collected
Jun 19, 2017 09:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
170621-052PB
Laboratory
MSDH Lab
0.4669 mg/l , sample collected Jun 19, 2017 09:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
0.0119 mg/l , sample collected Jun 19, 2017 09:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Collected
Feb 22, 2017 12:10
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
170223-058NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Feb 22, 2017 12:10, sampling point TF080 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2017 – Dec 31, 2017
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Feb 22, 2017 12:10, sampling point TF080 Nitrate 1040 EPA method QC10107041C Jan 1, 2017 – Dec 31, 2017
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Feb 22, 2017 12:10, sampling point TF080 Nitrite 1041 EPA method QC10107041C Jan 1, 2017 – Dec 31, 2017

Routine (10).