Oberlin Water Environment Protection Facility
44436 State Route 511 East, Oberlin, OH 44074 · Lorain County · Publicly Owned Treatment Works
- Average flow
- 1.39 MGD
- Design flow
- 1.5 MGD
- NPDES permit
- OH0020427
- Administratively continued
- Permit expires
- January 2026
- Population served
- 8,555
- CWNS 2022
Oberlin Water Environment Protection Facility is a publicly owned wastewater treatment plant in Oberlin, Lorain County, Ohio treating an average of 1.39 million gallons per day against a permitted design capacity of 1.5 MGD, serving about 8,555 residents. It discharges under NPDES permit OH0020427 (administratively continued), which expires in January 2026, with 0 recorded violations in the last three years.
Treatment technology
3 treatment structures and unit processes identified at Oberlin Water Environment Protection Facility.
Available with a free Klarifi account
See the full treatment train at Oberlin Water Environment Protection Facility: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 0
- Effluent violations
- 0
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
2 verified contacts for Oberlin Water Environment Protection Facility, with validated emails and direct phone numbers.
Unlock 2 verified contacts
Names, validated emails and direct phone numbers for decision-makers at Oberlin Water Environment Protection Facility, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Ohio
Oberlin · 2 mi away
0.00084 MGD
Lagrange · 5 mi away
0.41 MGD
Grafton · 6 mi away
0.07 MGD
Grafton · 6 mi away
0.8 MGD
Elyria · 7 mi away
0.06 MGD
Amherst · 8 mi away
1.91 MGD
Wellington · 9 mi away
0.56 MGD
Elyria · 9 mi away
7.97 MGD
Oberlin Water Environment Protection Facility: 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 April 6, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Tertiary treatment · Significant industrial user · all terms