Craigmont WWTP
US-95 And Lauer Rd, Craigmont, ID 83523 · Lewis County · Publicly Owned Treatment Works
- Average flow
- 0.3 MGD
- Design flow
- 0.12 MGD
- NPDES permit
- ID0021288
- Administratively continued
- Permit expires
- May 2025
- Population served
- 510
- CWNS 2022
Craigmont WWTP is a publicly owned wastewater treatment works in Craigmont, Lewis County, Idaho treating an average of 0.3 million gallons per day against a permitted design capacity of 0.12 MGD, serving about 510 residents. It discharges under NPDES permit ID0021288 (administratively continued), which expires in May 2025, with 49 recorded violations in the last three years. EPA has recorded 2 formal enforcement actions naming the plant, the latest in August 2026.
Treatment technology
One treatment structure or unit process identified at Craigmont WWTP.
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See the full treatment train at Craigmont WWTP: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 49
- Effluent violations
- 35
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 Craigmont WWTP in EPA's ICIS system.
- Formal actions
- 2
- 2 since FY2020
- Penalties assessed
- $15,000
- all cases
- Compliance actions
- $781,860
- required by EPA orders
- EPA inspections
- 0
- none on record
Latest case · Aug 2026
Craigmont, City of
Administrative order · CWA, NPDES Permit Violations · Final Order No Penalty · Compliance actions $390,930
EPA's description of the case:
“EPA Region 10 and City of Craigmont located in Craigmont, Idaho agreed to settlement for CWA violations of the City?s NPDES Permit No. ID 0021288. The City exceeded effluent limits for E. coli, total…”
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Source: EPA ECHO, civil enforcement case 10-2021-0117.
Full case history with a free Klarifi account
Every action against Craigmont WWTP with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.
Key contacts
Decision-makers at Craigmont WWTP.
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Nearby wastewater treatment plants in Idaho
Winchester · 8 mi away
0.01 MGD
Nezperce · 10 mi away
0.008 MGD
Culdesac · 15 mi away
0.06 MGD
Cottonwood · 15 mi away
0.22 MGD
Orofino · 20 mi away
0.28 MGD
Orofino · 20 mi away
0.02 MGD
Kamiah · 20 mi away
0.16 MGD
Kooskia · 24 mi away
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Craigmont 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 October 26, 2026; facility record last updated September 18, 2026.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Ozonation · Activated sludge · all terms