Cadiz WWTP
US Rte 250 S, Cadiz, OH 43907 · Harrison County · Publicly Owned Treatment Works
- Average flow
- 0.53 MGD
- Design flow
- 0.6 MGD
- NPDES permit
- OH0024295
- Effective
- Permit expires
- February 2029
- Population served
- 3,042
- CWNS 2022
Cadiz WWTP is a publicly owned wastewater treatment works in Cadiz, Harrison County, Ohio treating an average of 0.53 million gallons per day against a permitted design capacity of 0.6 MGD, serving about 3,042 residents. It discharges under NPDES permit OH0024295 (effective), which expires in February 2029, with 264 recorded violations in the last three years.
Treatment technology
One treatment structure or unit process identified at Cadiz WWTP.
Available with a free Klarifi account
See the full treatment train at Cadiz WWTP: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 264
- Effluent violations
- 264
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Cadiz WWTP.
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Nearby wastewater treatment plants in Ohio
Adena · 6 mi away
0.21 MGD
Hopedale · 6 mi away
0.09 MGD
Flushing · 8 mi away
0.21 MGD
Jewett · 9 mi away
0.2 MGD
Smithfield · 10 mi away
0.11 MGD
Dillonvale · 11 mi away
0.13 MGD
St Clairsville · 11 mi away
0.41 MGD
St Clairsville · 11 mi away
0.59 MGD
Cadiz WWTP: frequently asked questions
Sources and methodology
Flow, permit and violation figures come from the EPA's ICIS-NPDES discharge monitoring records. Population served comes from the Clean Watersheds Needs Survey 2022. Treatment structures are identified by Klarifi's review of aerial imagery, and capital improvement projects are extracted from published municipal budget documents. Violations are counted over the last three years of monitoring reports.
Data refreshed October 26, 2026; facility record last updated November 29, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Lift station · Sludge dewatering · all terms