Cresco WWTP
90th St, Cresco, IA 52136 · Howard County · Publicly Owned Treatment Works
- Average flow
- 0.53 MGD
- Design flow
- 4.12 MGD
- NPDES permit
- IA0021334
- Administratively continued
- Permit expires
- June 2026
- Population served
- 4,043
- CWNS 2022
Cresco WWTP is a publicly owned wastewater treatment works in Cresco, Howard County, Iowa treating an average of 0.53 million gallons per day against a permitted design capacity of 4.12 MGD, serving about 4,043 residents. It discharges under NPDES permit IA0021334 (administratively continued), which expires in June 2026, with 11 recorded violations in the last three years.
Treatment technology
One treatment structure or unit process identified at Cresco WWTP.
Available with a free Klarifi account
See the full treatment train at Cresco WWTP: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 11
- Effluent violations
- 11
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 Cresco WWTP, from the plant's pretreatment programme records.
- Industrial users
- 1
- on record
On record: Cresco Food Technologies LLC (Cresco). Most users are in food and beverage.
Unlock the details behind these industrial users
Discharge flow, federal category, source documents and contacts for every industrial user of Cresco WWTP. Free with a Klarifi account.
Key contacts
1 verified contact for Cresco WWTP, with validated emails and direct phone numbers.
Unlock 1 verified contact
Names, validated emails and direct phone numbers for decision-makers at Cresco WWTP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Iowa
Ridgeway · 9 mi away
0.02 MGD
Lime Springs · 10 mi away
0.23 MGD
Protivin · 12 mi away
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Chester · 14 mi away
—
Spillville · 15 mi away
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Decorah · 17 mi away
0.0067 MGD
Decorah · 19 mi away
0.92 MGD
Fort Atkinson · 19 mi away
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Cresco 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 March 28, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Sludge dewatering · Biological nutrient removal · all terms