American Falls WWTP
American Falls, ID · Power County · Publicly Owned Treatment Works
- Average flow
- 0.53 MGD
- Design flow
- 0.9 MGD
- NPDES permit
- ID0020753
- Administratively continued
- Permit expires
- July 2019
- Population served
- 5,243
- CWNS 2022
American Falls WWTP is a publicly owned wastewater treatment works in American Falls, Power County, Idaho treating an average of 0.53 million gallons per day against a permitted design capacity of 0.9 MGD, serving about 5,243 residents. It discharges under NPDES permit ID0020753 (administratively continued), which expires in July 2019, with 2 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Treatment structure data not yet analyzed for this facility.
Compliance snapshot (last 3 years)
- Total violations
- 2
- Effluent violations
- 0
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at American Falls WWTP.
No verified contacts on file yet
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Nearby wastewater treatment plants in Idaho
Aberdeen · 12 mi away
0.2 MGD
Rockland · 14 mi away
—
Pocatello · 20 mi away
6.79 MGD
Lava Hot Springs · 44 mi away
—
Heyburn · 48 mi away
0.71 MGD
Firth · 51 mi away
0.05 MGD
Shelley · 55 mi away
1.93 MGD
Grace · 59 mi away
0.08 MGD
American Falls 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 27, 2025.