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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

MS0250004 , Eastside Water Association

27 of the 57 analytes this system has been tested for have been detected at least once, across 317 samples on record.

The other 30 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 317 samples on record, detections range from December 13, 1993 to February 13, 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 Eastside 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 87 of 122 results Dec 14, 1993 Aug 27, 2024
Lead 1030 Inorganic Chemical 83 of 122 results Dec 13, 1993 Aug 27, 2024
Barium 1010 Inorganic Chemical 22 of 22 results Sep 29, 2003 Feb 15, 2024
Fluoride 1025 Inorganic Chemical 22 of 22 results Sep 29, 2003 Feb 15, 2024
Chromium 1020 Inorganic Chemical 21 of 22 results Sep 29, 2003 Feb 15, 2024
Nitrate-Nitrite 1038 Inorganic Chemical 11 of 47 results Feb 14, 2018 Feb 13, 2025
Nitrate 1040 Inorganic Chemical 11 of 47 results Feb 14, 2018 Feb 13, 2025
Gross Alpha, Incl. Radon & U 4002 Radionuclide 10 of 10 results Dec 14, 2011 Jul 12, 2012
TTHM 2950 Organic Chemical 7 of 10 results Jun 9, 2004 Sep 29, 2020
Sodium 1052 Inorganic Chemical 6 of 6 results Sep 26, 2019 Feb 6, 2025
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 6 of 10 results Jun 9, 2004 Sep 29, 2020
Chloroform 2941 Organic Chemical 6 of 7 results Aug 8, 2007 Sep 29, 2020
Nickel 1036 Inorganic Chemical 4 of 22 results Apr 16, 2008 Feb 15, 2024
Bromodichloromethane 2943 Organic Chemical 4 of 7 results Aug 8, 2007 Aug 2, 2018
Dibromochloromethane 2944 Organic Chemical 4 of 7 results Aug 8, 2007 Aug 2, 2018
Sulfate 1055 Inorganic Chemical 4 of 4 results Sep 29, 2003 Feb 11, 2004
Dichloroacetic Acid 2451 Organic Chemical 3 of 6 results Jul 25, 2012 Sep 29, 2020
Trichloroacetic Acid 2452 Organic Chemical 3 of 6 results Sep 25, 2008 Aug 2, 2018
Monobromoacetic Acid 2453 Organic Chemical 2 of 6 results Aug 2, 2018 Sep 29, 2020
Nitrite 1041 Inorganic Chemical 2 of 47 results Feb 14, 2018 Feb 14, 2018
Dibromoacetic Acid 2454 Organic Chemical 2 of 6 results Sep 25, 2008 Jul 25, 2012
Cadmium 1015 Inorganic Chemical 2 of 22 results Mar 9, 2005 Mar 9, 2005
Selenium 1045 Inorganic Chemical 2 of 22 results Mar 9, 2005 Mar 9, 2005
Cyanide 1024 Inorganic Chemical 1 of 23 results Apr 4, 2012 Apr 4, 2012
Xylenes, Total 2955 Organic Chemical 1 of 54 results Jul 28, 2004 Jul 28, 2004
Ethylbenzene 2992 Organic Chemical 1 of 54 results Jul 28, 2004 Jul 28, 2004
Toluene 2991 Organic Chemical 1 of 54 results Aug 18, 2003 Aug 18, 2003

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 101–110 of 317 samples, newest first — collected April 5, 2016 to June 15, 2017. The summary above covers all 317.

20 results from the 10 samples listed here: 12 detected, 8 not detected. Across the whole record it is 328 of 1,927. 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 Eastside Water Association, every result from 101 to 110 of 317 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
Jun 15, 2017 07:25
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
170616-031PB
Laboratory
MSDH Lab
0.0607 mg/l , sample collected Jun 15, 2017 07:25, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
0.0011 mg/l , sample collected Jun 15, 2017 07:25, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Collected
Jun 15, 2017 06:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
170616-029PB
Laboratory
MSDH Lab
0.0509 mg/l , sample collected Jun 15, 2017 06:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
0.0008 mg/l , sample collected Jun 15, 2017 06:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Collected
Jun 15, 2017 06:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
170616-026PB
Laboratory
MSDH Lab
0.0538 mg/l , sample collected Jun 15, 2017 06:30, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
0.0019 mg/l , sample collected Jun 15, 2017 06:30, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Collected
Jun 15, 2017 07:44
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
170616-025PB
Laboratory
MSDH Lab
0.0493 mg/l , sample collected Jun 15, 2017 07:44, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
0.0008 mg/l , sample collected Jun 15, 2017 07:44, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Collected
Jun 15, 2017 06:05
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
170616-021PB
Laboratory
MSDH Lab
0.0269 mg/l , sample collected Jun 15, 2017 06:05, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
0.0005 mg/l , sample collected Jun 15, 2017 06:05, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Collected
Jun 15, 2017 07:00
Sampling point
TF103 Treatment Facility TF103
Sample type
Routine
Lab sample
170616-011RU
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 15, 2017 07:00, sampling point TF103 Combined Uranium 4006 EPA method 200.8 Apr 1, 2017 – Jun 30, 2017
Collected
Jun 14, 2017 06:15
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
170616-024PB
Laboratory
MSDH Lab
0.0191 mg/l , sample collected Jun 14, 2017 06:15, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
0.005 mg/l , sample collected Jun 14, 2017 06:15, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Collected
Mar 15, 2017 09:10
Sampling point
TF103 Treatment Facility TF103
Sample type
Routine
Lab sample
170316-009RU
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 15, 2017 09:10, sampling point TF103 Combined Uranium 4006 EPA method 200.8 Jan 1, 2017 – Mar 31, 2017
Collected
Apr 5, 2016 15:15
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
160406-063NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Apr 5, 2016 15:15, sampling point TF102 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2016 – Dec 31, 2016
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Apr 5, 2016 15:15, sampling point TF102 Nitrate 1040 EPA method QC10107041C Jan 1, 2016 – Dec 31, 2016
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Apr 5, 2016 15:15, sampling point TF102 Nitrite 1041 EPA method QC10107041C Jan 1, 2016 – Dec 31, 2016
Collected
Apr 5, 2016 15:00
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
160406-061NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Apr 5, 2016 15:00, sampling point TF101 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2016 – Dec 31, 2016
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Apr 5, 2016 15:00, sampling point TF101 Nitrate 1040 EPA method QC10107041C Jan 1, 2016 – Dec 31, 2016
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Apr 5, 2016 15:00, sampling point TF101 Nitrite 1041 EPA method QC10107041C Jan 1, 2016 – Dec 31, 2016

Routine (10).