Miamisburg City Pws, OH
Lead detected, under the action levels
Latest 90th-percentile lead: 1.4 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. 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.
About Miamisburg City Pws
Miamisburg City Pws serves about 19,790 people through 7,779 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 groundwater, in Montgomery County, Ohio. EPA system ID: OH5701212; phone on file: 937-608-1267. Ask them for your address in their service line inventory - every system had to publish one by Oct 2024.
Lead results over time
Against the period ending 2025 (1.9 ppb) the latest result is about the same. The highest 90th-percentile result EPA holds for Miamisburg City Pws is 5.82 ppb across 11 monitoring periods, none of them over 15 ppb.
| Period ending | 90th-percentile lead |
|---|---|
| 2026 | 1.4 ppb |
| 2025 | 1.9 ppb |
| 2024 | 2 ppb |
| 2023 | 2.5 ppb |
| 2022 | 0 (not detected) |
| 2021 | 2.9 ppb |
| 2020 | 2.6 ppb |
| 2019 | 3 ppb |
| 2019 | 3 ppb |
| 2018 | 3.38 ppb |
| 2017 | 5.82 ppb |
Against other Ohio systems
Of the 1,079 Ohio systems with a lead result, the median latest reading is 0.7 ppb; 1 are over 15 ppb right now and 27 have gone over at some point. Miamisburg City Pws's 1.4 ppb sits at the 67th percentile in Ohio and the 62nd nationally (higher means more lead).
Neighbouring systems
21 other systems share Montgomery County; 8 of them have a higher latest lead result than Miamisburg City Pws. If you are unsure which one supplies your house, the name on your water bill decides it.
| System | People | Latest lead |
|---|---|---|
| Montgomery County Water Services 1 Pws | 150,207 | 0 (not detected) |
| Dayton Public Water System | 141,407 | 0 (not detected) |
| Montgomery County Water Services 2 Pws | 83,033 | 0 (not detected) |
| Huber Heights Public Water System | 43,439 | 0 (not detected) |
| Englewood City Pws | 13,463 | 2.3 ppb |
| Oakwood City Pws | 9,572 | 3.6 ppb |
| Trotwood City Pws | 9,000 | 0 (not detected) |
| West Carrollton City Pws | 8,361 | 0.4 ppb |
| Union City Pws | 7,000 | 3.5 ppb |
| Brookville Municipality Pws | 5,923 | 1.1 ppb |
What to do in your house
Test your own tap with a certified lab first-draw sample; Miamisburg, OH 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 Miamisburg City Pws 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.