Water system
HCWSD - East Cadiz
EPA ID OH3439717 · Harrison County · 191 people served · owned by a local government
HCWSD - East Cadiz buys its water from Cadiz Village.
The system's record
- Water bodies
- Tappan Lake
- Raw intakes
- Cadiz Tappan Lake
- Serves
- 3,353 people · Harrison County
- EPA ID
- OH3400214
Cadiz Village draws directly from Tappan Lake, a Muskingum Watershed Conservancy District reservoir, per its own intake facility name.
About this area's water
Water quality & impurities
EPA compliance record
Lead at the tap: 90th-percentile result 0 ppb in 2026 (action level 15 ppb).
EPA record: no health-based violations since 2015.
EPA compliance record · Cadiz Village (treats the water)
Lead at the tap: 90th-percentile result 0 ppb in 2025 (action level 15 ppb).
EPA health-based violations since 2015:
- 2026Total coliform · treatment technique violation · known
- 2025Total coliform · treatment technique violation · returned to compliance
- 2024Chlorine residual (SWTR) · treatment technique violation · returned to compliance
- 2024Lead and Copper Rule (lead) · treatment technique violation · returned to compliance
- 2018Total coliform · treatment technique violation · returned to compliance
EPA's count of 8 includes 3 repeat quarterly violations of the problems listed.
13 violations of any kind logged since 2020, 6 of them paperwork (monitoring, reporting, public notice or consumer report).
Present in 1 ZIP code
Serves
No ZIP code has HCWSD - East Cadiz on record as its main water supplier.
Also present in 1 more ZIP code
- 43907 · Cadiz0% 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
HCWSD - East Cadiz buys its water from Cadiz Village.
No other system is on record buying water from HCWSD - East Cadiz.
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