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; the list of samples further down is narrowed.
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.
| 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 |
Showing samples collected between September 25, 2024 and September 25, 2026. That is this page’s default, not a limit on what the agency records.
Choose a date range
The most recent samples, result by result
The table below lists 11–12 of 12 samples, newest first — collected February 6, 2025 to February 6, 2025. The summary above covers all 12.
2 results from the 2 samples listed here: 2 detected, 0 not detected. A sample is analysed for many analytes at once, so one sample appears on as many rows as it had results.
| Result | Analyte | Monitoring period |
|---|---|---|
|
||
| 165 mg/l , sample collected Feb 6, 2025 07:30, sampling point TF102 | Sodium 1052 EPA method 200.7 | Jan 1, 2023 – Dec 31, 2025 |
|
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| 170 mg/l , sample collected Feb 6, 2025 07:00, sampling point TF101 | Sodium 1052 EPA method 200.7 | Jan 1, 2023 – Dec 31, 2025 |
-
- Collected
- Feb 6, 2025 07:30
- Sampling point
- TF102 Treatment Plant T102
- Sample type
- Routine
- Lab sample
- NA-250206-062
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2023 – Dec 31, 2025
-
Sodium 1052 EPA method 200.7
- Result
- 165 mg/l
-
- Collected
- Feb 6, 2025 07:00
- Sampling point
- TF101 Treatment Plant T101
- Sample type
- Routine
- Lab sample
- NA-250206-061
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2023 – Dec 31, 2025
-
Sodium 1052 EPA method 200.7
- Result
- 170 mg/l
Routine (2).