Richfield WWTP
Richfield, ID · Lincoln County · Publicly Owned Treatment Works
- Average flow
- —
- Design flow
- 0.06 MGD
- NPDES permit
- ID0021211
- Administratively continued
- Permit expires
- April 2026
- Population served
- 567
- CWNS 2022
Richfield WWTP is a publicly owned wastewater treatment works in Richfield, Lincoln County, Idaho, serving about 567 residents. Treatment on site includes aerated lagoons, uncovered lagoons. It discharges under NPDES permit ID0021211 (administratively continued), which expires in April 2026, with 19 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Compliance snapshot (last 3 years)
- Total violations
- 19
- Effluent violations
- 11
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Richfield WWTP.
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Nearby wastewater treatment plants in Idaho
Shoshone · 15 mi away
0.13 MGD
Carey · 20 mi away
—
Jerome · 29 mi away
3.59 MGD
Hansen · 36 mi away
0.07 MGD
Fairfield · 38 mi away
—
Filer · 39 mi away
—
Heyburn · 39 mi away
0.71 MGD
Buhl · 43 mi away
0.29 MGD
Richfield 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 September 11, 2026; facility record last updated November 7, 2025.