Dayton City Of STP
0.6 Miles W Of Samson Ave & Iowa 175 Intersection, Dayton, IA 50530 · Webster County · Publicly Owned Treatment Works
- Average flow
- —
- Design flow
- 0.45 MGD
- NPDES permit
- IA0023558
- Effective
- Permit expires
- April 2027
- Population served
- 772
- CWNS 2022
Dayton City Of STP is a publicly owned wastewater treatment works in Dayton, Webster County, Iowa, serving about 772 residents. It discharges under NPDES permit IA0023558 (effective), which expires in April 2027, with 4 recorded violations in the last three years.
Treatment technology
One treatment structure or unit process identified at Dayton City Of STP.
Available with a free Klarifi account
See the full treatment train at Dayton City Of STP: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 4
- Effluent violations
- 4
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Dayton City Of STP.
No verified contacts on file yet
Klarifi verifies plant and municipal decision-makers continuously. Start a free trial to browse contacts at nearby plants and flag this one for verification.
Nearby wastewater treatment plants in Iowa
Boxholm · 7 mi away
—
Pilot Mound · 7 mi away
—
Harcourt · 7 mi away
—
Stratford · 7 mi away
0.16 MGD
Lehigh · 7 mi away
—
Paton · 12 mi away
—
Gowrie · 12 mi away
0.09 MGD
Stanhope · 13 mi away
—
Dayton 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 February 15, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Oxidation ditch · Anaerobic digester · all terms