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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 191–200 of 317 samples, newest first — collected August 8, 2007 to August 31, 2007. The summary above covers all 317.

57 results from the 10 samples listed here: 14 detected, 43 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 191 to 200 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
Aug 31, 2007
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
070907-183PB
Laboratory
MSDH Lab
0.01 mg/l , sample collected Aug 31, 2007, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
0.0047 mg/l , sample collected Aug 31, 2007, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
Collected
Aug 31, 2007
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
070907-182PB
Laboratory
MSDH Lab
0.0475 mg/l , sample collected Aug 31, 2007, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
0.0029 mg/l , sample collected Aug 31, 2007, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
Collected
Aug 31, 2007
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
070907-181PB
Laboratory
MSDH Lab
0.0364 mg/l , sample collected Aug 31, 2007, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
0.0028 mg/l , sample collected Aug 31, 2007, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
Collected
Aug 31, 2007
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
070907-180PB
Laboratory
MSDH Lab
0.0129 mg/l , sample collected Aug 31, 2007, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
0.0045 mg/l , sample collected Aug 31, 2007, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
Collected
Aug 31, 2007
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
070907-179PB
Laboratory
MSDH Lab
0.0238 mg/l , sample collected Aug 31, 2007, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
0.0019 mg/l , sample collected Aug 31, 2007, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
Collected
Aug 31, 2007
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
070907-178PB
Laboratory
MSDH Lab
0.0152 mg/l , sample collected Aug 31, 2007, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Aug 31, 2007, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
Collected
Aug 29, 2007
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
070830-010VO
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 29, 2007, sampling point TF102 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Jan 1, 2007 – Dec 31, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 29, 2007, sampling point TF102 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Jan 1, 2007 – Dec 31, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 29, 2007, sampling point TF102 Xylenes, Total 2955 EPA method 524.2 Jan 1, 2007 – Dec 31, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 29, 2007, sampling point TF102 Dichloromethane 2964 EPA method 524.2 Jan 1, 2007 – Dec 31, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 29, 2007, sampling point TF102 O-Dichlorobenzene 2968 EPA method 524.2 Jan 1, 2007 – Dec 31, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 29, 2007, sampling point TF102 P-Dichlorobenzene 2969 EPA method 524.2 Jan 1, 2007 – Dec 31, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 29, 2007, sampling point TF102 Vinyl Chloride 2976 EPA method 524.2 Jan 1, 2007 – Dec 31, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 29, 2007, sampling point TF102 1,1-Dichloroethylene 2977 EPA method 524.2 Jan 1, 2007 – Dec 31, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 29, 2007, sampling point TF102 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Jan 1, 2007 – Dec 31, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 29, 2007, sampling point TF102 1,2-Dichloroethane 2980 EPA method 524.2 Jan 1, 2007 – Dec 31, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 29, 2007, sampling point TF102 1,1,1-Trichloroethane 2981 EPA method 524.2 Jan 1, 2007 – Dec 31, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 29, 2007, sampling point TF102 Carbon Tetrachloride 2982 EPA method 524.2 Jan 1, 2007 – Dec 31, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 29, 2007, sampling point TF102 1,2-Dichloropropane 2983 EPA method 524.2 Jan 1, 2007 – Dec 31, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 29, 2007, sampling point TF102 Trichloroethylene 2984 EPA method 524.2 Jan 1, 2007 – Dec 31, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 29, 2007, sampling point TF102 1,1,2-Trichloroethane 2985 EPA method 524.2 Jan 1, 2007 – Dec 31, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 29, 2007, sampling point TF102 Tetrachloroethylene 2987 EPA method 524.2 Jan 1, 2007 – Dec 31, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 29, 2007, sampling point TF102 Chlorobenzene 2989 EPA method 524.2 Jan 1, 2007 – Dec 31, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 29, 2007, sampling point TF102 Benzene 2990 EPA method 524.2 Jan 1, 2007 – Dec 31, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 29, 2007, sampling point TF102 Toluene 2991 EPA method 524.2 Jan 1, 2007 – Dec 31, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 29, 2007, sampling point TF102 Ethylbenzene 2992 EPA method 524.2 Jan 1, 2007 – Dec 31, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 29, 2007, sampling point TF102 Styrene 2996 EPA method 524.2 Jan 1, 2007 – Dec 31, 2007
Collected
Aug 29, 2007
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
070830-009VO
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 29, 2007, sampling point TF101 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Jan 1, 2007 – Dec 31, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 29, 2007, sampling point TF101 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Jan 1, 2007 – Dec 31, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 29, 2007, sampling point TF101 Xylenes, Total 2955 EPA method 524.2 Jan 1, 2007 – Dec 31, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 29, 2007, sampling point TF101 Dichloromethane 2964 EPA method 524.2 Jan 1, 2007 – Dec 31, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 29, 2007, sampling point TF101 O-Dichlorobenzene 2968 EPA method 524.2 Jan 1, 2007 – Dec 31, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 29, 2007, sampling point TF101 P-Dichlorobenzene 2969 EPA method 524.2 Jan 1, 2007 – Dec 31, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 29, 2007, sampling point TF101 Vinyl Chloride 2976 EPA method 524.2 Jan 1, 2007 – Dec 31, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 29, 2007, sampling point TF101 1,1-Dichloroethylene 2977 EPA method 524.2 Jan 1, 2007 – Dec 31, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 29, 2007, sampling point TF101 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Jan 1, 2007 – Dec 31, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 29, 2007, sampling point TF101 1,2-Dichloroethane 2980 EPA method 524.2 Jan 1, 2007 – Dec 31, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 29, 2007, sampling point TF101 1,1,1-Trichloroethane 2981 EPA method 524.2 Jan 1, 2007 – Dec 31, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 29, 2007, sampling point TF101 Carbon Tetrachloride 2982 EPA method 524.2 Jan 1, 2007 – Dec 31, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 29, 2007, sampling point TF101 1,2-Dichloropropane 2983 EPA method 524.2 Jan 1, 2007 – Dec 31, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 29, 2007, sampling point TF101 Trichloroethylene 2984 EPA method 524.2 Jan 1, 2007 – Dec 31, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 29, 2007, sampling point TF101 1,1,2-Trichloroethane 2985 EPA method 524.2 Jan 1, 2007 – Dec 31, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 29, 2007, sampling point TF101 Tetrachloroethylene 2987 EPA method 524.2 Jan 1, 2007 – Dec 31, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 29, 2007, sampling point TF101 Chlorobenzene 2989 EPA method 524.2 Jan 1, 2007 – Dec 31, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 29, 2007, sampling point TF101 Benzene 2990 EPA method 524.2 Jan 1, 2007 – Dec 31, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 29, 2007, sampling point TF101 Toluene 2991 EPA method 524.2 Jan 1, 2007 – Dec 31, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 29, 2007, sampling point TF101 Ethylbenzene 2992 EPA method 524.2 Jan 1, 2007 – Dec 31, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 29, 2007, sampling point TF101 Styrene 2996 EPA method 524.2 Jan 1, 2007 – Dec 31, 2007
Collected
Aug 28, 2007
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
070907-187PB
Laboratory
MSDH Lab
0.1212 mg/l , sample collected Aug 28, 2007, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
0.0031 mg/l , sample collected Aug 28, 2007, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
Collected
Aug 8, 2007
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
070809-001HA
Laboratory
MSDH Lab
0.0111 mg/l 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 8, 2007, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Jan 1, 2005 – Dec 31, 2007

Routine (10).