Eaton Rapids, City Of, MI
Lead detected, under the action levels
Latest 90th-percentile lead: 4 ppb (monitoring period 2025-2025). 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.
Eaton Rapids, City Of at a glance
Eaton Rapids, City Of serves about 5,340 people through 2,324 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 groundwater, in Eaton County, Michigan. EPA system ID: MI0002020; phone on file: 517-663-8118. Call that number and ask whether your address has a lead, galvanized or unknown service line.
Every lead result on file
That is down 7 ppb from 11 ppb in the period ending 2024. The highest 90th-percentile result EPA holds for Eaton Rapids, City Of is 11 ppb across 9 monitoring periods, none of them over 15 ppb (1 over 10 ppb).
| Period ending | 90th-percentile lead |
|---|---|
| 2025 | 4 ppb |
| 2024 | 11 ppb over 10 |
| 2023 | 7 ppb |
| 2022 | 7 ppb |
| 2021 | 8 ppb |
| 2020 | 7 ppb |
| 2020 | 7 ppb |
| 2019 | 4 ppb |
| 2018 | 2 ppb |
How Eaton Rapids, City Of 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. Eaton Rapids, City Of's 4 ppb sits at the 84th percentile in Michigan and the 88th nationally (higher means more lead).
Other water systems in Eaton County
15 other systems share Eaton County; 2 of them have a higher latest lead result than Eaton Rapids, City Of. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Charter Township Of Delta | 21,856 | 1.2 ppb |
| Charlotte, City Of | 9,074 | 0 (not detected) |
| Grand Ledge, City Of | 8,701 | 1 ppb |
| Potterville, City Of | 2,617 | 2 ppb |
| Olivet, City Of | 1,758 | 1 ppb |
| Bellevue, Village Of | 1,282 | 6 ppb |
| Vermontville, Village Of | 780 | 1 ppb |
| Windsor Estates | 718 | 2 ppb |
| Sunfield, Village Of | 680 | 2 ppb |
| Eaton Green Estates Subdivision | 363 | 1 ppb |
What to do in your house
Test your own tap with a certified lab first-draw sample; Eaton Rapids, 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 Eaton Rapids, City Of whether it covers that cost before hiring anyone - many utilities now do. Its latest copper 90th percentile is 1460 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. Why sampled homes are the worst-case ones is in the guide to reading the number. Systems that went over once often dip back under; here is what that means.