Pilot Mound Water System, IA
Lead detected, under the action levels
Latest 90th-percentile lead: 5 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 Pilot Mound Water System
Pilot Mound Water System serves about 176 people through 92 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 Boone County, Iowa. EPA system ID: IA0862042; phone on file: 515-298-0029. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Every lead result on file
That is up 3 ppb from 2 ppb in the period ending 2022. The highest 90th-percentile result EPA holds for Pilot Mound Water System is 5 ppb across 4 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 5 ppb |
| 2022 | 2 ppb |
| 2019 | 0 (not detected) |
| 2016 | 2 ppb |
How Pilot Mound Water System 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. Pilot Mound Water System's 5 ppb sits at the 88th percentile in Iowa and the 91st nationally (higher means more lead).
Nearby utilities
10 other systems share Boone County; 1 of them has a higher latest lead result than Pilot Mound Water System. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Boone Water Works | 12,704 | 3 ppb |
| Xenia Rwd (Boone) | 4,975 | 0.6 ppb |
| Madrid Water Department | 3,090 | 0 (not detected) |
| Ogden Municipal Utilities | 2,419 | 3 ppb |
| Xenia Rwd (Madrid) | 1,635 | 0.5 ppb |
| Woodward Resource Center | 700 | 0 (not detected) |
| Coal Valley Water District | 240 | 8 ppb |
| Logansport Water System | 190 | 0 (not detected) |
| Benefit Water District #2 | 100 | 2 ppb |
| Sunrise Mhc | 95 | 0 (not detected) |
Your move
Test your own tap with a certified lab first-draw sample; Pilot Mound, 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 Pilot Mound Water System 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.