Swaledale, City STP
507 Main Street, Swaledale, IA 50477 · Cerro Gordo County · Publicly Owned Treatment Works
- Average flow
- —
- Design flow
- 0.04 MGD
- NPDES permit
- IA0073903
- Administratively continued
- Permit expires
- February 2023
- Population served
- 144
- CWNS 2022
Swaledale, City STP is a publicly owned wastewater treatment works in Swaledale, Cerro Gordo County, Iowa, serving about 144 residents. It discharges under NPDES permit IA0073903 (administratively continued), which expires in February 2023, with 1 recorded violation in the last three years.
Treatment technology
One treatment structure or unit process identified at Swaledale, City STP.
Available with a free Klarifi account
See the full treatment train at Swaledale, City STP: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 1
- Effluent violations
- 1
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
1 verified contact for Swaledale, City STP, with validated emails and direct phone numbers.
Unlock 1 verified contact
Names, validated emails and direct phone numbers for decision-makers at Swaledale, City STP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Iowa
Thornton · 4 mi away
—
Rockwell · 5 mi away
0.17 MGD
Sheffield · 8 mi away
0.27 MGD
Meservey · 9 mi away
—
Mason City · 13 mi away
5.13 MGD
Dougherty · 14 mi away
—
Latimer · 14 mi away
—
Klemme · 16 mi away
0.07 MGD
Swaledale, City 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 28, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Anaerobic digester · Lift station · all terms