County · Ohio
Montgomery County, Ohio: drinking water records
This overview covers 32 ZIP codes and 22 community water systems in Montgomery County. It also stands in for 0 ZIP codes whose utility has too little EPA data for a page of its own.
System population figures are summed from EPA registry records and can overlap where wholesalers and retail systems serve the same people. They are not a Census county-population estimate.
Water systems with the most complete records
| Water system | People served | PFAS survey results | PFAS found | Health-based violations | Lead, 9 in 10 homes at or below |
|---|---|---|---|---|---|
| Montgomery County Water Services 1 PWS OH5701315 | 150,207 | 120 | 5 | 2 | 0 ppb |
| Montgomery County Water Services 2 PWS OH5701503 | 83,033 | 120 | 5 | 1 | 0 ppb |
| West Carrollton City PWS OH5702812 | 8,361 | 60 | 0 | 1 | 0.4 ppb |
| Dayton VA Bldg 410 OH5750618 | 125 | 120 | 4 | 1 | 0.8 ppb |
| Dayton Public Water System OH5703512 | 141,407 | 240 | 5 | 0 | 0 ppb |
| Huber Heights Public Water System OH5703612 | 43,439 | 60 | 0 | 0 | 0 ppb |
| Miamisburg City PWS OH5701212 | 19,790 | 60 | 0 | 0 | 1.9 ppb |
| Englewood City PWS OH5700812 | 13,463 | 60 | 0 | 0 | 2.3 ppb |
| Oakwood City PWS OH5701915 | 9,572 | 120 | 4 | 0 | 3.6 ppb |
| Trotwood City PWS OH5702403 | 9,000 | 120 | 1 | 0 | 0 ppb |
| Union City PWS OH5702512 | 7,000 | 120 | 5 | 0 | 3.5 ppb |
| Brookville Municipality PWS OH5700203 | 5,923 | 120 | 1 | 0 | 1.1 ppb |
| Germantown City PWS OH5701012 | 5,547 | 60 | 0 | 0 | 0.8 ppb |
| Jefferson Regional Water Authority OH5703012 | 4,813 | 60 | 3 | 0 | 1.7 ppb |
| New Lebanon Village PWS OH5701812 | 3,770 | 60 | 0 | 0 | 1.5 ppb |
| Quarry Lakes MHP LLC OH5702212 | 141 | 0 | 0 | 1 | 0 ppb |
| Dayton VA Bldg 320 Pod a OH5750619 | 95 | 0 | 0 | 2 | 4 ppb |
| Farmersville Village PWS OH5700912 | 975 | 0 | 0 | 0 | 2.1 ppb |
| Phillipsburg Village PWS OH5702112 | 490 | 0 | 0 | 0 | 3.1 ppb |
| Voyager Village MHP OH5702712 | 400 | 0 | 0 | 0 | 0.6 ppb |
| Brookville Lake Estates OH5700612 | 211 | 0 | 0 | 0 | 0.8 ppb |
| Sherwood Grove MHP OH5700512 | 30 | 0 | 0 | 0 | 0 ppb |
ZIP reports in Montgomery County
No ZIP report in this county is published yet.
Sources and scope
EPA UCMR 5 occurrence data, samples collected 2023-01-03 – 2026-06-17, final release, August 2026 (file dated Aug 28, 2026); EPA SDWIS via ECHO, 2026Q2 extract (file dated Jul 9, 2026); EPA service-area boundaries v3.0; Census 2020 ZCTAs. Page generated 2026-09-03.
Counts cover the systems that report this county to EPA. A water system may cross county lines. "Found" means at least one result at or above the laboratory reporting level; it is not a compliance finding.