St Anthony Sewage Lagoon
Saint Anthony, ID · Fremont County · Publicly Owned Treatment Works
- Average flow
- 0.26 MGD
- Design flow
- 0.8 MGD
- NPDES permit
- ID0020401
- Administratively continued
- Permit expires
- November 2014
- Population served
- 4,525
- CWNS 2022
St Anthony Sewage Lagoon is a publicly owned wastewater treatment works in Saint Anthony, Fremont County, Idaho treating an average of 0.26 million gallons per day against a permitted design capacity of 0.8 MGD, serving about 4,525 residents. Treatment on site includes aerated lagoons. It discharges under NPDES permit ID0020401 (administratively continued), which expires in November 2014, with 7 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Aerated lagoons
Unlock
Unlock exact unit counts →
Compliance snapshot (last 3 years)
- Total violations
- 7
- Effluent violations
- 3
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at St Anthony Sewage Lagoon.
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 Idaho
Rexburg · 9 mi away
—
Rigby · 20 mi away
1.2 MGD
Ririe · 22 mi away
—
Roberts · 26 mi away
0.04 MGD
Driggs · 33 mi away
0.39 MGD
Shelley · 46 mi away
1.93 MGD
Firth · 51 mi away
0.05 MGD
Pocatello · 82 mi away
6.79 MGD
St Anthony Sewage Lagoon: 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 March 28, 2025.