Estherville WWTP
1878 Highway 4, Estherville, IA 51334 · Emmet County · Publicly Owned Treatment Works
- Average flow
- 1.05 MGD
- Design flow
- 8 MGD
- NPDES permit
- IA0023744
- Administratively continued
- Permit expires
- December 2025
- Population served
- 7,156
- CWNS 2022
Estherville WWTP is a publicly owned wastewater treatment works in Estherville, Emmet County, Iowa treating an average of 1.05 million gallons per day against a permitted design capacity of 8 MGD, serving about 7,156 residents. It discharges under NPDES permit IA0023744 (administratively continued), which expires in December 2025, with 73 recorded violations in the last three years.
Treatment technology
3 treatment structures and unit processes identified at Estherville WWTP.
Available with a free Klarifi account
See the full treatment train at Estherville WWTP: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 73
- Effluent violations
- 47
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Industrial users and pretreatment
Industries that discharge process wastewater to Estherville WWTP, from the plant's pretreatment programme records.
- Industrial users
- 2
- on record
On record: Aero Race Wheels INC (Estherville); Mesa Holdings LLC( Dba Iowa Protein (Estherville). 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 Estherville WWTP. Free with a Klarifi account.
Key contacts
3 verified contacts for Estherville WWTP, with validated emails and direct phone numbers.
Unlock 3 verified contacts
Names, validated emails and direct phone numbers for decision-makers at Estherville WWTP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Iowa
Wallingford · 4 mi away
—
Gruver · 6 mi away
—
Terril · 9 mi away
—
Graettinger · 11 mi away
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Dolliver · 12 mi away
0.0043 MGD
Milford · 16 mi away
2.5 MGD
Armstrong · 17 mi away
0.1 MGD
Ruthven · 18 mi away
0.1 MGD
Estherville 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 October 10, 2026.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Biosolids · Filter press · all terms