Highway 413 North, Weir, MS 39772 · Choctaw County · Publicly Owned Treatment Works
Weir POTW is a publicly owned wastewater treatment works in Weir, Choctaw County, Mississippi. It discharges under NPDES permit MS0020435 (effective), which expires in December 2027, with 84 recorded violations in the last three years. EPA has recorded 1 formal enforcement action naming the plant, the latest in September 2021.
One treatment structure or unit process identified at Weir POTW.
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See the full treatment train at Weir POTW: structures, unit processes and planned upgrades, with exact unit counts.
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Federal civil enforcement cases, compliance inspections and informal actions recorded for Weir POTW in EPA's ICIS system.
Latest case · Sep 2021
TOWN OF WEIR, MISSISSIPPI - WEIR POTW
Administrative order · CWA, NPDES Permit Violations · Final Order With Penalty · Penalty $630
EPA's description of the case:
“8/25/2021 - EXPEDITED SETTLEMENT AGREEMENT AND FINAL ORDER ISSUED: The undersigned representative of the United States Environmental Protection Agency (EPA) and the Town of Weir, Mississippi…”
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Source: EPA ECHO, civil enforcement case 04-2021-0311.
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Every action against Weir POTW with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.
Decision-makers at Weir POTW.
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0.56 MGD
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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 June 18, 2026.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Activated sludge · Oxidation ditch · all terms