Iowa-American Wtr Co-Clinton District, IA
Lead detected, under the action levels
Latest 90th-percentile lead: 2 ppb (monitoring period 2023-2025). 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 Iowa-American Wtr Co-Clinton District
Iowa-American Wtr Co-Clinton District serves about 24,769 people through 10,452 service connections, which makes it a large system under EPA's size classes. It is privately owned and draws groundwater, in Clinton County, Iowa. EPA system ID: IA2326048; phone on file: 563-726-0937. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Iowa-American Wtr Co-Clinton District's lead record
That is down 3 ppb from 5 ppb in the period ending 2022. The highest 90th-percentile result EPA holds for Iowa-American Wtr Co-Clinton District is 5 ppb across 4 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 2 ppb |
| 2022 | 5 ppb |
| 2019 | 2 ppb |
| 2016 | 3 ppb |
How Iowa-American Wtr Co-Clinton District compares
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. Iowa-American Wtr Co-Clinton District's 2 ppb sits at the 67th percentile in Iowa and the 73rd nationally (higher means more lead).
Neighbouring systems
15 other systems share Clinton County; 4 of them have a higher latest lead result than Iowa-American Wtr Co-Clinton District. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| De Witt Water Supply | 5,514 | 3.4 ppb |
| Camanche Water Supply | 4,570 | 2 ppb |
| Wheatland City Water Supply | 775 | 3.2 ppb |
| Grand Mound Water Supply | 615 | 0 (not detected) |
| Delmar Water Supply | 542 | 2 ppb |
| Lost Nation Water Supply | 434 | 5 ppb |
| Charlotte Water Works | 401 | 0 (not detected) |
| Calamus Water Supply | 356 | 0 (not detected) |
| Iowa-American Water (Low Moor) | 250 | 1.6 ppb |
| Goose Lake Muni Water System | 239 | 0 (not detected) |
What to do in your house
Test your own tap with a certified lab first-draw sample; Clinton, 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 Iowa-American Wtr Co-Clinton District 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. Size matters more than most people expect: small vs large water systems.