Water system
Byesville
EPA ID OH3001212 · Guernsey County · 5,104 people served · owned by a local government
Byesville treats its own water from local wells (mine-pool/groundwater under influence of surface water).
The system's record
- Active wells
- 4
- Serves
- 5,104 people · Guernsey County
- EPA ID
- OH3001212
Village of Byesville draws from wells associated with underground mine pools (treated at the Wetzler/Haynes microfiltration plant), consistent with its GU (groundwater under the influence of surface water) SDWIS code.
About this area's water
Water quality & impurities
EPA compliance record
Lead at the tap: 90th-percentile result 0.9 ppb in 2026 (action level 15 ppb); copper 1.416 mg/L (action level 1.3).
EPA health-based violations since 2015:
- 2024Surface Water Treatment Rule · treatment technique violation · returned to compliance
- 2024Ground Water Rule · treatment technique violation · returned to compliance
- 2024Lead and Copper Rule (lead) · treatment technique violation · returned to compliance
- 2019Total trihalomethanes (TTHM) · exceeded a maximum contaminant level · measured 0.132 MG/L (limit 0.08 MG/L) · returned to compliance
- 2018Total trihalomethanes (TTHM) · exceeded a maximum contaminant level · measured 0.128 MG/L (limit 0.08 MG/L) · returned to compliance
- 2018Ground Water Rule · treatment technique violation · returned to compliance
- 2017Total trihalomethanes (TTHM) · exceeded a maximum contaminant level · measured 0.105 MG/L (limit 0.08 MG/L) · returned to compliance
- 2017Ground Water Rule · treatment technique violation · returned to compliance
1 more problem in this period not listed. EPA's count of 16 includes 7 repeat quarterly violations of the problems listed.
31 violations of any kind logged since 2020, 28 of them paperwork (monitoring, reporting, public notice or consumer report).
Main supplier in 1 ZIP code
Serves
Main water supplier in 2 ZIP codes
- 43723 · Jackson Township and Byesville93% of residents
- 43780 · Richland Township and Senecaville3% of residents
Also present in 1 more ZIP code
- 43725 · Cambridge3% 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
Byesville does not buy water from another system on record; it treats its own source water.
No other system is on record buying water from Byesville.
On the map
Show this system's territory on the map — 3 ZIP codes 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
Byesville's own pages: byesvilleoh.gov, ewg.org