Catawba Sd
Runyon Rd, Catawba, OH 43010 · Clark County · Publicly Owned Treatment Works
- Average flow
- 0.24 MGD
- Design flow
- —
- NPDES permit
- OH0093165
- Administratively continued
- Permit expires
- July 2026
- Population served
- 245
- CWNS 2022
Catawba Sd is a publicly owned wastewater treatment plant in Catawba, Clark County, Ohio treating an average of 0.24 million gallons per day, serving about 245 residents. It discharges under NPDES permit OH0093165 (administratively continued), which expires in July 2026, with 7 recorded violations in the last three years.
Treatment technology
2 treatment structures and unit processes identified at Catawba Sd.
Available with a free Klarifi account
See the full treatment train at Catawba Sd: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 7
- Effluent violations
- 7
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Catawba Sd.
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Nearby wastewater treatment plants in Ohio
South Vienna · 5 mi away
—
London · 7 mi away
0.0057 MGD
Mechanicsburg · 8 mi away
0.17 MGD
Urbana · 9 mi away
0.006 MGD
Urbana · 11 mi away
1.67 MGD
S. Charleston · 11 mi away
0.24 MGD
London · 12 mi away
0.02 MGD
Springfield · 12 mi away
17.12 MGD
Catawba Sd: 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 8, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Significant industrial user · WWTP · all terms