Water Contamination
Contaminants
Understand the Problem
DCPA di-acid degradate is a residue of the herbicide dacthal, or DCPA, which is used for urban, household and agricultural applications. Dacthal is a possible human carcinogen whose use was limited by the EPA in 2005 due to concerns about water contamination.
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Activated Carbon,
Reverse Osmosis,
| UTILITIES WITH CONTAMINATION | |||
|---|---|---|---|
| State | Utilities | People Served | |
| Washington | 30 | 78,047 | |
| Utility | Location | Tests | Average level | People served |
|---|---|---|---|---|
| Summers Circle Water Llc | Walla Walla, WA | 10 of 10 | 83.4 ppb | 82 |
| Valle Lindo Homes | Walla Walla, WA | 3 of 3 | 40.8 ppb | 787 |
| Golden Valley Water Association | Quincy, WA | 3 of 3 | 33.6 ppb | 138 |
| Weiler-martin Tracts Water Association | Quincy, WA | 1 of 1 | 31.3 ppb | 1,163 |
| Quincy Water Department City Of | Yakima, WA | 12 of 12 | 21.2 ppb | 8,415 |
| Neals Valley View Addition Water Co. | Yakima, WA | 1 of 1 | 2.88 ppb | 62 |
| Sportsman Trailer Park | Ellensburg, WA | 1 of 1 | 2.10 ppb | 151 |
| Admiral Water Users Association | Moses Lake, WA | 1 of 1 | 1.97 ppb | 74 |
| Arlenes Addition | Burbank, WA | 1 of 1 | 1.93 ppb | 480 |
| Country Corner Mobile Home Park | Gig Harbor, WA | 1 of 1 | 1.24 ppb | 95 |
| Lakeview Park Water Association | Quincy, WA | 1 of 2 | 0.995 ppb | 1,259 |
| Paterson Heights Water Association | Paterson, WA | 1 of 1 | 0.700 ppb | 85 |
| Sagedale Apartments | Ellensburg, WA | 1 of 3 | 0.600 ppb | 40 |
| Consolidated Irrigation District 14* | Walla Walla, WA | 6 of 8 | 0.487 ppb | 1,555 |
| Warden City Of | Warden, WA | 7 of 8 | 0.424 ppb | 4,674 |
| Blalock Orchard District 10 | Walla Walla, WA | 1 of 1 | 0.337 ppb | 250 |
| College Place Water Department* | College Place, WA | 7 of 9 | 0.225 ppb | 8,147 |
| Tieton Hills Water Co. | Yakima, WA | 1 of 1 | 0.220 ppb | 75 |
| Hydro Irrigation District No 9* | Walla Walla, WA | 1 of 1 | 0.218 ppb | 252 |
| Blalock Orchards District 12 | Walla Walla, WA | 1 of 1 | 0.218 ppb | 193 |
| Alps Mobile Home Park | Yakima, WA | 1 of 1 | 0.210 ppb | 150 |
| Green Tank Irr District 11 | Walla Walla, WA | 2 of 2 | 0.160 ppb | 553 |
| Royal City Water | Royal City, WA | 1 of 1 | 0.160 ppb | 3,389 |
| City of Sunnyside | Sunnyside, WA | 1 of 2 | 0.160 ppb | 17,037 |
| Othello Water Department* | Othello, WA | 7 of 13 | 0.137 ppb | 8,725 |
| Adams County Water District #1 | Othello, WA | 7 of 13 | 0.137 ppb | 870 |
| Brixey H2a | Yakima, WA | 3 of 3 | 0.125 ppb | 96 |
| Diamond Point Water System | Cle Elum, WA | 1 of 1 | 0.120 ppb | 100 |
| Basin City Water Sewer District | Mesa, WA | 1 of 1 | 0.0688 ppb | 1,740 |
| City of West Richland | West Richland, WA | 2 of 4 | 0.0451 ppb | 17,410 |
* This water utility supplies finished drinking water to at least one other water utility. The purchasing utility is not required to test for or report DCPA di-acid degradate, but it likely has the contaminant in its water supply.
| Utility | Location | Tests | Average level | People served |
|---|---|---|---|---|
| City of Sunnyside | Sunnyside, WA | 1 of 2 | 0.160 ppb | 17,037 |
| City of West Richland | West Richland, WA | 2 of 4 | 0.0451 ppb | 17,410 |
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