Water system
Hillsboro City
EPA ID OH3600614 · Highland County · 6,650 people served · owned by a local government
Hillsboro City treats its own water from Clear Creek (via Selph Road & Liberty Park Reservoirs).
The system's record
- Water bodies
- Clear Creek
- Raw intakes
- Selph Road Reservoir
Liberty Park Reservoir
Hillsboro Clear Creek Intak - Serves
- 6,650 people · Highland County
- EPA ID
- OH3600614
Hillsboro's water comes entirely from surface sources fed by Clear Creek, stored in the Selph Road and Liberty Park reservoirs before treatment.
About this area's water
Water quality & impurities
EPA compliance record
Lead at the tap: 90th-percentile result 0 ppb in 2025 (action level 15 ppb).
EPA record: no health-based violations since 2015.
4 violations of any kind logged since 2020, 4 of them paperwork (monitoring, reporting, public notice or consumer report).
Present in 1 ZIP code
Serves
Main water supplier in 1 ZIP code
- 45133 · Hillsboro28% of residents
Population-weighted resident shares; a ZIP code can have more than one system on record. Recomputed from each ZIP's own system list, not from the map's cached footprint.
Buys from · Sells to
Hillsboro City does not buy water from another system on record; it treats its own source water.
No other system is on record buying water from Hillsboro City.
On the map
Show this system's territory on the map — 1 ZIP code in all.
Sources
U.S. EPA SDWIS and Community Water System Service Area Boundaries (v3, 2026), Ohio EPA primacy data, 2020 census blocks: the system serving most residents, traced through purchases to the treating utility; Ohio EPA 2023 Sewer and Water Rate Survey (Ohio State, May 2025) for household bills; Ohio EPA DEFA loan awards since 2016 for the loans paragraph · EPA SDWIS · EPA service area boundaries · Ohio EPA drinking water · Ohio EPA rate survey
Hillsboro City's own pages: hillsboroohio.net