Flint, City Of, MI
Exceeded the action level in the past
Latest 90th-percentile lead: 3 ppb (monitoring period 2026-2026). The federal action level is 15 ppb today and drops to 10 ppb in Nov 2027; EPA's health goal is 0. The latest result is under the action level, but this system has gone over 15 ppb before. Lead comes from pipes, not the source water, so a home with a lead service line can still be exposed. Test your own tap.
Who runs the water here
Flint, City Of serves about 81,252 people through 28,963 service connections, which makes it a large system under EPA's size classes. It is owned by a local government (city, town, county or district) and draws surface water, in Genesee County, Michigan. EPA system ID: MI0002310; phone on file: 810-766-7346. They can tell you what your service line is made of and whether they pay to replace it.
Every lead result on file
That is down 3 ppb from 6 ppb in the period ending 2025. The highest 90th-percentile result EPA holds for Flint, City Of is 20 ppb across 21 monitoring periods, 1 of them over the 15 ppb action level.
| Period ending | 90th-percentile lead |
|---|---|
| 2026 | 3 ppb |
| 2025 | 6 ppb |
| 2025 | 3 ppb |
| 2024 | 3 ppb |
| 2024 | 1 ppb |
| 2023 | 10 ppb |
| 2023 | 8 ppb |
| 2022 | 9 ppb |
| 2022 | 10 ppb |
| 2021 | 7 ppb |
| 2021 | 3 ppb |
| 2020 | 6 ppb |
| 2020 | 4 ppb |
| 2019 | 4 ppb |
| 2019 | 6 ppb |
| 2018 | 4 ppb |
| 2018 | 6 ppb |
| 2017 | 6 ppb |
| 2017 | 7 ppb |
| 2016 | 12 ppb over 10 |
| 2016 | 20 ppb over 15 |
Where this result ranks
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. Flint, City Of's 3 ppb sits at the 79th percentile in Michigan and the 83rd nationally (higher means more lead).
Other water systems in Genesee County
33 other systems share Genesee County; 7 of them have a higher latest lead result than Flint, City Of. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Genesee County Water System | 73,726 | 0 (not detected) |
| Burton, City Of | 21,000 | 0 (not detected) |
| Charter Township Of Grand Blanc | 21,000 | 0 (not detected) |
| Fenton, City Of | 11,746 | 1 ppb |
| Beecher Metropolitan District | 9,400 | 3 ppb |
| Genesee Township | 8,473 | 0 (not detected) |
| Flushing, City Of | 8,311 | 0 (not detected) |
| Grand Blanc, City Of | 8,276 | 4 ppb |
| Swartz Creek, City Of | 5,800 | 0 (not detected) |
| Davison, City Of | 5,000 | 0 (not detected) |
Next steps for Flint, MI
Test your own tap with a certified lab first-draw sample; Flint, 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 Flint, City Of 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. More in what a past exceedance means today.