Ahsahka Wastewater Treatment Plant
Dworshak Complex Dr, Orofino, ID 83544 · Clearwater County · Publicly Owned Treatment Works
- Average flow
- 0.02 MGD
- Design flow
- —
- NPDES permit
- ID0025224
- Effective
- Permit expires
- December 2026
- Population served
- 194
- CWNS 2022
Ahsahka Wastewater Treatment Plant is a publicly owned wastewater treatment works in Orofino, Clearwater County, Idaho treating an average of 0.02 million gallons per day, serving about 194 residents. It discharges under NPDES permit ID0025224 (effective), which expires in December 2026, with 0 recorded violations in the last three years. EPA has recorded 2 formal enforcement actions naming the plant, the latest in December 2024.
Treatment technology
Treatment structures and unit processes at Ahsahka Wastewater Treatment Plant.
Treatment structure data not yet analyzed for this facility.
Compliance snapshot (last 3 years)
- Total violations
- 0
- Effluent violations
- 0
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
EPA enforcement history
Federal civil enforcement cases, compliance inspections and informal actions recorded for Ahsahka Wastewater Treatment Plant in EPA's ICIS system.
- Formal actions
- 2
- 1 since FY2020
- Penalties assessed
- $1,469
- all cases
- Compliance actions
- $1,756
- required by EPA orders
- EPA inspections
- 0
- none on record
Latest case · Dec 2024
CWA ID0025224 MUNI AHSAHKA WWTP - ESA (CWA NPDES)
Administrative order · CWA, NPDES Permit Violations · Final Order With Penalty · Penalty $775 · Compliance actions $500
EPA's description of the case:
“On December 4, 2024, Region 10 filed an expedited settlement agreement resolving CWA violations of Ahsahka Water and Sewer District's permit at its wastewater facility in Ahsahka, Idaho. Alleged…”
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Source: EPA ECHO, civil enforcement case 10-2024-0148.
Full case history with a free Klarifi account
Every action against Ahsahka Wastewater Treatment Plant with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.
Key contacts
Decision-makers at Ahsahka Wastewater Treatment Plant.
No verified contacts on file yet
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Nearby wastewater treatment plants in Idaho
Orofino · 1 mi away
0.28 MGD
Kendrick · 18 mi away
0.03 MGD
Nezperce · 18 mi away
0.008 MGD
Juliaetta · 19 mi away
0.03 MGD
Culdesac · 19 mi away
0.06 MGD
Weippe · 20 mi away
0.27 MGD
Craigmont · 20 mi away
0.3 MGD
Elk River · 21 mi away
0.06 MGD
Ahsahka Wastewater Treatment Plant: 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 November 28, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Filter press · FOG · all terms