Oscoda Township, MI
Lead detected, under the action levels
Latest 90th-percentile lead: 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.
Who runs the water here
Oscoda Township serves about 6,997 people through 3,407 service connections, which makes it a medium-sized system under EPA's size classes. It is owned by a local government (city, town, county or district) and draws surface water, in Iosco County, Michigan. EPA system ID: MI0005040; phone on file: 989-739-3211. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Lead results over time
Against the period ending 2022 (2 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Oscoda Township is 3 ppb across 4 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 3 ppb |
| 2022 | 2 ppb |
| 2019 | 3 ppb |
| 2016 | 3 ppb |
How Oscoda Township compares
Of the 1,227 Michigan systems with a lead result, the median latest reading is 1 ppb; 31 are over 15 ppb right now and 109 have gone over at some point. Oscoda Township's 3 ppb sits at the 78th percentile in Michigan and the 83rd nationally (higher means more lead).
Other water systems in Iosco County
10 other systems share Iosco County; 3 of them have a higher latest lead result than Oscoda Township. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| East Tawas, City Of | 2,663 | 1 ppb |
| Au Sable Township | 2,370 | 2 ppb |
| Tawas City, City Of | 1,834 | 4 ppb |
| Baldwin Township | 650 | 1 ppb |
| Alabaster Township | 86 | 1.68 ppb |
| Hale Homestead Apartments | 72 | 31 ppb |
| Hale Creek Manor | 43 | 0 (not detected) |
| Whittemore Square Apartments | 30 | 0 (not detected) |
| Northern Pines | 13 | 18 ppb |
| Huron Shore Regional Utility Authority | 1 | - |
Next steps for Oscoda, MI
Test your own tap with a certified lab first-draw sample; Oscoda, MI 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 Oscoda Township 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.