West Chester Muni Wtr Supply, IA
Lead detected, under the action levels
Latest 90th-percentile lead: 4 ppb (monitoring period 2022-2024). 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 West Chester Muni Wtr Supply
West Chester Muni Wtr Supply serves about 144 people through 79 service connections, which makes it a very small system under EPA's size classes. It is owned by a local government (city, town, county or district) and draws groundwater, in Washington County, Iowa. EPA system ID: IA9281006; phone on file: 563-299-2214. Call that number and ask whether your address has a lead, galvanized or unknown service line.
West Chester Muni Wtr Supply's lead record
That is up 2 ppb from 2 ppb in the period ending 2021. The highest 90th-percentile result EPA holds for West Chester Muni Wtr Supply is 4 ppb across 3 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2024 | 4 ppb |
| 2021 | 2 ppb |
| 2018 | 2 ppb |
Where this result ranks
Of the 1,066 Iowa systems with a lead result, the median latest reading is 1.4 ppb; 4 are over 15 ppb right now and 36 have gone over at some point. West Chester Muni Wtr Supply's 4 ppb sits at the 82nd percentile in Iowa and the 87th nationally (higher means more lead).
Nearby utilities
12 other systems share Washington County; 2 of them have a higher latest lead result than West Chester Muni Wtr Supply. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Washington Water Department | 7,362 | 0 (not detected) |
| Kalona Water Dept | 2,630 | 1 ppb |
| Wellman Municipal Waterworks | 1,524 | 0 (not detected) |
| Riverside Water Supply | 1,060 | 0 (not detected) |
| Brighton Municipal Water Supply | 600 | 2 ppb |
| Ainsworth Water Works | 511 | 0 (not detected) |
| Crawfordsville Water Supply | 277 | 0 (not detected) |
| Timberline Estates | 95 | 2 ppb |
| Linn Hollow Mhp Llc | 68 | 5.2 ppb |
| City Of Kalona - Southtown | 60 | 6 ppb |
What to do in your house
Test your own tap with a certified lab first-draw sample; Muscatine, IA 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 West Chester Muni Wtr Supply 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. The lead result guide covers how utilities pick the homes they sample. The action level is dropping - the 10 ppb rule from 2027.