Osceola WWTP South
Country Club Rd, Osceola, IA 50213 · Clarke County · Publicly Owned Treatment Works
- Average flow
- 1.68 MGD
- Design flow
- 9.84 MGD
- NPDES permit
- IA0041815
- Effective
- Permit expires
- October 2029
- Population served
- 5,152
- CWNS 2022
Osceola WWTP South is a publicly owned wastewater treatment works in Osceola, Clarke County, Iowa treating an average of 1.68 million gallons per day against a permitted design capacity of 9.84 MGD, serving about 5,152 residents. It discharges under NPDES permit IA0041815 (effective), which expires in October 2029, with 159 recorded violations in the last three years. EPA has recorded 2 formal enforcement actions naming the plant, the latest in June 2016.
Treatment technology
5 treatment structures and unit processes identified at Osceola WWTP South.
Available with a free Klarifi account
See the full treatment train at Osceola WWTP South: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 159
- Effluent violations
- 159
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 Osceola WWTP South in EPA's ICIS system.
- Formal actions
- 2
- 0 since FY2020
- Penalties assessed
- $8,400
- all cases
- Compliance actions
- $2.5M
- required by EPA orders
- EPA inspections
- 0
- none on record
Latest case · Jun 2016
CITY OF OSCEOLA, IOWA
Administrative order · CWA, NPDES Permit Violations · Final Order With Penalty · Penalty $8,400
Source: EPA ECHO, civil enforcement case 07-2016-0132.
Full case history with a free Klarifi account
Every action against Osceola WWTP South with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.
Industrial users and pretreatment
Industries that discharge process wastewater to Osceola WWTP South, from the plant's pretreatment programme records.
- Industrial users
- 2
- on record
On record: Miller Products Company (Osceola); Osceola Foods INC (Osceola). Most users are in automotive, metal and equipment manufacturing and food and beverage.
Unlock the details behind these industrial users
Discharge flow, federal category, source documents and contacts for every industrial user of Osceola WWTP South. Free with a Klarifi account.
Key contacts
2 verified contacts for Osceola WWTP South, with validated emails and direct phone numbers.
Unlock 2 verified contacts
Names, validated emails and direct phone numbers for decision-makers at Osceola WWTP South, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Iowa
Woodburn · 9 mi away
—
Weldon · 9 mi away
—
Murray · 10 mi away
—
Van Wert · 11 mi away
—
New Virginia · 11 mi away
0.04 MGD
Garden Grove · 15 mi away
—
Lucas · 15 mi away
—
Derby · 16 mi away
—
Osceola WWTP South: 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 11, 2026.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Equalization tank · Centrate · all terms