New Meadows WWTP
100 Mclain St, New Meadows, ID 83654 · Adams County · Publicly Owned Treatment Works
- Average flow
- 0.92 MGD
- Design flow
- 0.36 MGD
- NPDES permit
- ID0023159
- Administratively continued
- Permit expires
- July 2018
- Population served
- 517
- CWNS 2022
New Meadows WWTP is a publicly owned wastewater treatment works in New Meadows, Adams County, Idaho treating an average of 0.92 million gallons per day against a permitted design capacity of 0.36 MGD, serving about 517 residents. It discharges under NPDES permit ID0023159 (administratively continued), which expires in July 2018, with 13 recorded violations in the last three years. EPA has recorded 1 formal enforcement action naming the plant, the latest in July 2011.
Treatment technology
One treatment structure or unit process identified at New Meadows WWTP.
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See the full treatment train at New Meadows WWTP: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 13
- Effluent violations
- 7
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 New Meadows WWTP in EPA's ICIS system.
- Formal actions
- 1
- 0 since FY2020
- Penalties assessed
- $1,900
- all cases
- Compliance actions
- $10,660
- required by EPA orders
- EPA inspections
- 0
- none on record
Latest case · Jul 2011
CITY OF NEW MEADOWS, IDAHO
Administrative order · CWA, NPDES Permit Violations · Final Order With Penalty · Penalty $1,900 · Compliance actions $10,660
EPA's description of the case:
“The City of New Meadows, Idaho (City) has agreed to pay a $1,900 penalty to settle violations of the NPDES permit issued to the City for discharges from the City's wastewater treatment facility…”
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Source: EPA ECHO, civil enforcement case 10-2011-0041.
Full case history with a free Klarifi account
Every action against New Meadows WWTP with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.
Key contacts
Decision-makers at New Meadows WWTP.
No verified contacts on file yet
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Nearby wastewater treatment plants in Idaho
Mccall · 10 mi away
—
Council · 19 mi away
0.33 MGD
Riggins · 32 mi away
0.06 MGD
Cambridge · 34 mi away
0.11 MGD
Cascade · 35 mi away
—
White Bird · 54 mi away
—
Weiser · 61 mi away
0.87 MGD
Grangeville · 67 mi away
0.42 MGD
New Meadows 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 November 5, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · FOG · Equalization tank · all terms