Algona City Of STP
Algona, IA 50511 · Kossuth County · Publicly Owned Treatment Works
- Average flow
- 0.72 MGD
- Design flow
- 2.76 MGD
- NPDES permit
- IA0022055
- Effective
- Permit expires
- February 2028
- Population served
- 6,000
- CWNS 2022
Algona City Of STP is a publicly owned wastewater treatment works in Algona, Kossuth County, Iowa treating an average of 0.72 million gallons per day against a permitted design capacity of 2.76 MGD, serving about 6,000 residents. It discharges under NPDES permit IA0022055 (effective), which expires in February 2028, with 13 recorded violations in the last three years.
Treatment technology
3 treatment structures and unit processes identified at Algona City Of STP.
Available with a free Klarifi account
See the full treatment train at Algona City Of STP: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 13
- Effluent violations
- 13
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 Algona City Of STP, from the plant's pretreatment programme records.
- Industrial users
- 2
- on record
On record: Hormel Foods Corporation Algona Plant (Algona); Snap-On Tools Manufacturing Company (Algona). 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 Algona City Of STP. Free with a Klarifi account.
Key contacts
Decision-makers at Algona City Of STP.
No verified contacts on file yet
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Nearby wastewater treatment plants in Iowa
Burt · 9 mi away
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Lone Rock · 12 mi away
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Wesley · 12 mi away
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West Bend · 13 mi away
0.1 MGD
Fenton · 13 mi away
—
Livermore · 13 mi away
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Bode · 14 mi away
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Lu Verne · 14 mi away
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Algona City Of STP: 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 6, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Equalization tank · Centrate · all terms