1300 Conservancy Rd, Belen, NM 87002 · Valencia County · Publicly Owned Treatment Works
City Of Belen WWTP is a publicly owned wastewater treatment works in Belen, Valencia County, New Mexico, serving about 7,360 residents. It discharges under NPDES permit NM0020150 (effective), which expires in November 2030, with 54 recorded violations in the last three years. EPA has recorded 6 formal enforcement actions naming the plant, the latest in June 2026.
One treatment structure or unit process identified at City Of Belen WWTP.
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See the full treatment train at City Of Belen WWTP: 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 City Of Belen WWTP in EPA's ICIS system.
Latest case · Jun 2026
Belen - Administrative Order
Administrative order · CWA, NPDES Permit Violations · Final Order Issued
EPA's description of the case:
“EPA Region 6 issued an Administrative Order (AO) under its authority pursuant to Section 309 of the Clean Water Act to the City of Belen Wastewater Treatment Plant. The AO was issued in response to…”
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Source: EPA ECHO, civil enforcement case 06-2026-1817.
Full case history with a free Klarifi account
Every action against City Of Belen WWTP with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.
1 verified contact for City Of Belen WWTP, with validated emails and direct phone numbers.
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Names, validated emails and direct phone numbers for decision-makers at City Of Belen WWTP, plus the full compliance history and discharge data.
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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 September 11, 2026.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Sludge dewatering · Biological nutrient removal · all terms