Oakland Munic Water Utility, IA
Lead detected, under the action levels
Latest 90th-percentile lead: 1.3 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.
Oakland Munic Water Utility at a glance
Oakland Munic Water Utility serves about 1,524 people through 630 service connections, which makes it a small system under EPA's size classes. It is owned by a local government (city, town, county or district) and draws groundwater, in Pottawattamie County, Iowa. EPA system ID: IA7856084; phone on file: 712-482-6811. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Lead results over time
That is down 1.2 ppb from 2.5 ppb in the period ending 2022. The highest 90th-percentile result EPA holds for Oakland Munic Water Utility is 3 ppb across 6 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 1.3 ppb |
| 2022 | 2.5 ppb |
| 2021 | 1 ppb |
| 2019 | 2 ppb |
| 2018 | 3 ppb |
| 2016 | 0 (not detected) |
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. Oakland Munic Water Utility's 1.3 ppb sits at the 49th percentile in Iowa and the 61st nationally (higher means more lead).
Nearby utilities
14 other systems share Pottawattamie County; 7 of them have a higher latest lead result than Oakland Munic Water Utility. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Council Bluffs Water Works | 64,447 | 2 ppb |
| Carter Lake Water District | 3,791 | 3 ppb |
| Avoca Water Works | 1,697 | 0 (not detected) |
| Urban Bluffs - North | 1,558 | 2 ppb |
| Treynor Water Department | 1,049 | 5 ppb |
| Neola Light & Water | 906 | 4.4 ppb |
| Lakeside Estates Llc | 823 | 0 (not detected) |
| Crescent Water Supply | 778 | 0 (not detected) |
| Walnut Municipal Utilities | 768 | 0 (not detected) |
| Carson Water Supply | 766 | 1 ppb |
What to do in your house
Test your own tap with a certified lab first-draw sample; Oakland, 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 Oakland Munic Water Utility 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. Why sampled homes are the worst-case ones is in the guide to reading the number. The action level is dropping - the 10 ppb rule from 2027.