Winchester West Farmworker Housing, WA
Lead detected, under the action levels
Latest 90th-percentile lead: 2.5 ppb (monitoring period 2021-2023). The federal action level is 15 ppb today and drops to 10 ppb in Nov 2027; EPA's health goal is 0. Lead was measured in sampled homes but the 90th percentile is under both action levels. EPA's health goal for lead is zero, so test your own tap if your home was built before 1986 or anyone in it is pregnant or a young child.
About Winchester West Farmworker Housing
Winchester West Farmworker Housing serves about 100 people through 5 service connections, which makes it a very small system under EPA's size classes. It is privately owned and draws groundwater, in Grant County, Washington. EPA system ID: WA53AD611. Ask the utility on your bill for your address in their service line inventory.
Lead results over time
Against the period ending 2020 (2.6 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Winchester West Farmworker Housing is 2.6 ppb across 3 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2023 | 2.5 ppb |
| 2020 | 2.6 ppb |
| 2019 | 1 ppb |
Where this result ranks
Of the 2,218 Washington systems with a lead result, the median latest reading is 1 ppb; 18 are over 15 ppb right now and 62 have gone over at some point. Winchester West Farmworker Housing's 2.5 ppb sits at the 76th percentile in Washington and the 77th nationally (higher means more lead).
Other water systems in Grant County
80 other systems share Grant County; 9 of them have a higher latest lead result than Winchester West Farmworker Housing. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Moses Lake City Of | 32,428 | 3.2 ppb |
| Ephrata Water Department | 8,718 | 0 (not detected) |
| Quincy Water Department City Of | 8,415 | 2.5 ppb |
| Mattawa City Of | 5,370 | 0 (not detected) |
| Warden City Of | 4,674 | 0 (not detected) |
| Royal City Water | 3,389 | 3 ppb |
| Desert Aire Owner Assn | 2,856 | 1 ppb |
| Soap Lake Water Dept | 2,399 | 0 (not detected) |
| Electric City City Of | 1,812 | 2.6 ppb |
| Sunland Estates Homeowners Assn | 1,480 | 0 (not detected) |
Your move
Test your own tap with a certified lab first-draw sample; Wenatchee, WA may offer free or low-cost kits through the utility. If your own line is lead, replacing the private side runs about $1,200-$12,300 (EPA average about $4,700). Ask Winchester West Farmworker Housing whether it covers that cost before hiring anyone - many utilities now do.
These figures describe homes the utility sampled, not your tap. Only your service line record or a test of your own water answers the question for your house. Why sampled homes are the worst-case ones is in the guide to reading the number. The action level is dropping - the 10 ppb rule from 2027.