Oakland City WWTP
US 64 E & Harris St S Of, Oakland City, IN 47660 · Gibson County · Publicly Owned Treatment Works
- Average flow
- 0.38 MGD
- Design flow
- 1 MGD
- NPDES permit
- IN0021687
- Effective
- Permit expires
- February 2030
- Population served
- 2,576
- CWNS 2022
Oakland City WWTP is a publicly owned wastewater treatment works in Oakland City, Gibson County, Indiana treating an average of 0.38 million gallons per day against a permitted design capacity of 1 MGD, serving about 2,576 residents. It discharges under NPDES permit IN0021687 (effective), which expires in February 2030, with 17 recorded violations in the last three years. EPA has recorded 1 formal enforcement action naming the plant, the latest in September 1998.
Treatment technology
3 treatment structures and unit processes identified at Oakland City WWTP.
Available with a free Klarifi account
See the full treatment train at Oakland City WWTP: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 17
- Effluent violations
- 5
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
EPA enforcement history
Federal civil enforcement cases, compliance inspections and informal actions recorded for Oakland City WWTP in EPA's ICIS system.
- Formal actions
- 1
- 0 since FY2020
- EPA inspections
- 0
- none on record
Latest case · Sep 1998
OAKLAND CITY, CITY OF
Administrative order · CWA, Clean Water Act · Final Order No Penalty
Source: EPA ECHO, civil enforcement case 05-1998-0662.
Full case history with a free Klarifi account
Every action against Oakland City WWTP with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.
Key contacts
2 verified contacts for Oakland City WWTP, with validated emails and direct phone numbers.
Unlock 2 verified contacts
Names, validated emails and direct phone numbers for decision-makers at Oakland City WWTP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Indiana
Francisco · 3 mi away
0.02 MGD
Winslow · 7 mi away
0.12 MGD
Lynnville · 10 mi away
0.09 MGD
Petersburg · 11 mi away
0.46 MGD
Princeton · 14 mi away
2.07 MGD
Fort Branch · 15 mi away
0.56 MGD
Elberfeld · 15 mi away
0.15 MGD
Dale · 15 mi away
0.0096 MGD
Oakland City 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 August 13, 2026.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Biosolids · Filter press · all terms