Minburn Waterworks, IA
Lead detected, under the action levels
Latest 90th-percentile lead: 2 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.
Who runs the water here
Minburn Waterworks serves about 325 people through 165 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 Dallas County, Iowa. EPA system ID: IA2547085; phone on file: 515-971-1416. Ask them for your address in their service line inventory - every system had to publish one by Oct 2024.
Lead results over time
That is up 2 ppb from 0 ppb in the period ending 2021. The highest 90th-percentile result EPA holds for Minburn Waterworks is 3 ppb across 3 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2024 | 2 ppb |
| 2021 | 0 (not detected) |
| 2018 | 3 ppb |
Against other Iowa systems
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. Minburn Waterworks's 2 ppb sits at the 62nd percentile in Iowa and the 71st nationally (higher means more lead).
Nearby utilities
18 other systems share Dallas County; 1 of them has a higher latest lead result than Minburn Waterworks. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Waukee Water Supply | 31,823 | 0 (not detected) |
| Xenia Rwd (Des Moines) | 12,860 | 1.74 ppb |
| Perry Municipal Water Works | 7,836 | 1 ppb |
| Adel Municipal Water Works | 6,461 | 0 (not detected) |
| Xenia Rwd (Woodward) | 3,465 | 0.7 ppb |
| Dallas Center Water Supply | 1,901 | 0 (not detected) |
| Granger Muni Water Supply | 1,654 | 0 (not detected) |
| Woodward Water Supply | 1,346 | 4 ppb |
| Van Meter Municipal Water Work | 1,074 | 0 (not detected) |
| De Soto Water Supply | 960 | 0.5 ppb |
Next steps for Bouton, IA
Test your own tap with a certified lab first-draw sample; Bouton, 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 Minburn Waterworks 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. What a 90th-percentile result does and does not tell you: how to read a lead result. The action level is dropping - the 10 ppb rule from 2027.