Town Of Poplar WTP
406 2nd Avenue West, Poplar, MT 59255 · Roosevelt County · Publicly Owned Treatment Works
- Average flow
- 0.54 MGD
- Design flow
- 0.6 MGD
- NPDES permit
- MT0030597
- Administratively continued
- Permit expires
- June 2025
- Population served
- 3,289
- CWNS 2022
Town Of Poplar WTP is a publicly owned wastewater treatment plant in Poplar, Roosevelt County, Montana treating an average of 0.54 million gallons per day against a permitted design capacity of 0.6 MGD, serving about 3,289 residents. It discharges under NPDES permit MT0030597 (administratively continued), which expires in June 2025, with 174 recorded violations in the last three years. EPA has recorded 2 formal enforcement actions naming the plant, the latest in April 2026.
Treatment technology
2 treatment structures and unit processes identified at Town Of Poplar WTP.
Available with a free Klarifi account
See the full treatment train at Town Of Poplar WTP: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 174
- Effluent violations
- 8
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 Town Of Poplar WTP in EPA's ICIS system.
- Formal actions
- 2
- 0 since FY2020
- EPA inspections
- 0
- none on record
Latest case · Apr 2026
City of Poplar
Administrative order · CWA, NPDES Discharge without a Permit · Final Order No Penalty
EPA's description of the case:
“AO issued to cease unpermitted discharge.”
Source: EPA ECHO, civil enforcement case 08-2019-0048.
Full case history with a free Klarifi account
Every action against Town Of Poplar WTP with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.
Key contacts
Decision-makers at Town Of Poplar WTP.
No verified contacts on file yet
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Nearby wastewater treatment plants in Montana
Wolf Point · 21 mi away
1.08 MGD
Culbertson · 31 mi away
0.04 MGD
Plentywood · 54 mi away
0.22 MGD
Nashua · 54 mi away
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Fort Peck · 58 mi away
—
Glasgow · 67 mi away
0.61 MGD
Glendive · 71 mi away
0.85 MGD
Terry · 90 mi away
0.26 MGD
Town Of Poplar WTP: 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 August 19, 2026.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Lift station · Sludge dewatering · all terms