Perfluoro(2-ethoxyethane)sulfonic acid
City of West Richland
NOTE: City of West Richland purchases water from City of Richland which is required to test for perfluoro(2-ethoxyethane)sulfonic acid. Sample information shown below was taken by City of Richland.
17
Samples
0
Samples exceeding legal limit (MCL)
0
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | N/A | 0 | 0 | N/A |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | N/A | 0 | 0 | N/A |
| 2022 | ND | 4 | 0 | ND |
| 2023 | ND | 1 | 0 | ND |
| 2024 | ND | 7 | 0 | ND |
ppt = parts per trillion
State, National, and Health Guidelines for Drinking Water
ppt = parts per trillion
All test results
NOTE: City of West Richland purchases water from City of Richland which is required to test for perfluoro(2-ethoxyethane)sulfonic acid. Sample information shown below was taken by City of Richland.
| Date | Lab ID | Result |
|---|---|---|
| 2022-06-14 | 4300370 | ND |
| 2022-06-14 | 4300368 | ND |
| 2022-06-14 | 4300369 | ND |
| 2022-08-17 | 4370025 | ND |
| 2023-03-13 | K2302981-003 | ND |
| 2023-03-13 | K2302981-005 | ND |
| 2023-03-23 | K2303481-001 | ND |
| 2023-03-27 | K2303626-001 | ND |
| 2023-06-20 | 4481830 | ND |
| 2023-06-20 | 4481830 | ND |
| 2023-06-20 | 4481829 | ND |
| 2023-06-21 | K2307069-001 | ND |
| 2023-06-21 | K2307069-003 | ND |
| 2023-09-06 | K2309956-001 | ND |
| 2023-09-06 | K2309956-003 | ND |
| 2023-12-04 | K2313554-001 | ND |
| 2023-12-04 | K2313554-003 | ND |