Waldschmidt Subdivision, IA
Exceeded the action level in the past
Latest 90th-percentile lead: reported as 0 (not detected) (monitoring period 2024-2024). The federal action level is 15 ppb today and drops to 10 ppb in Nov 2027; EPA's health goal is 0. The latest result is under the action level, but this system has gone over 15 ppb before. Lead comes from pipes, not the source water, so a home with a lead service line can still be exposed. Test your own tap.
Waldschmidt Subdivision at a glance
Waldschmidt Subdivision serves about 45 people through 18 service connections, which makes it a very small system under EPA's size classes. It is privately owned and draws groundwater, in Washington County, Iowa. EPA system ID: IA9260301; phone on file: 319-631-2788. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Every lead result on file
Against the period ending 2023 (1 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Waldschmidt Subdivision is 160 ppb across 9 monitoring periods, 2 of them over the 15 ppb action level.
| Period ending | 90th-percentile lead |
|---|---|
| 2024 | 0 (not detected) |
| 2023 | 1 ppb |
| 2022 | 0 (not detected) |
| 2022 | 0 (not detected) |
| 2021 | 100 ppb over 15 |
| 2020 | 3 ppb |
| 2020 | 0 (not detected) |
| 2019 | 160 ppb over 15 |
| 2016 | 0.6 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. Waldschmidt Subdivision's reported as 0 (not detected) sits at the 1st percentile in Iowa and the 3rd nationally (higher means more lead). Systems reporting 0 tie at the bottom, so the rank mostly reflects size among them.
Nearby utilities
12 other systems share Washington County; 7 of them have a higher latest lead result than Waldschmidt Subdivision. 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) |
| West Chester Muni Wtr Supply | 144 | 4 ppb |
| Timberline Estates | 95 | 2 ppb |
| Linn Hollow Mhp Llc | 68 | 5.2 ppb |
Next steps for Iowa City, IA
Test your own tap with a certified lab first-draw sample; Iowa City, 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 Waldschmidt Subdivision whether it covers that cost before hiring anyone - many utilities now do. Its latest copper 90th percentile is 4200 ppb (copper action level 1,300 ppb).
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. What a 90th-percentile result does and does not tell you: how to read a lead result. Why an old exceedance still matters: over the limit before, under it now.