Weslaco North WWTP
4000' E Of St Hwy 88 And 4000' N, Weslaco, TX 78596 · Hidalgo County · Publicly Owned Treatment Works
- Average flow
- 3.57 MGD
- Design flow
- 4.9 MGD
- NPDES permit
- TX0052787
- Effective
- Permit expires
- April 2029
- Population served
- 22,000
- CWNS 2022
Weslaco North WWTP is a publicly owned wastewater treatment works in Weslaco, Hidalgo County, Texas treating an average of 3.57 million gallons per day against a permitted design capacity of 4.9 MGD, serving about 22,000 residents. It discharges under NPDES permit TX0052787 (effective), which expires in April 2029, with 79 recorded violations in the last three years. EPA has recorded 3 formal enforcement actions naming the plant, the latest in December 2024.
Treatment technology
3 treatment structures and unit processes identified at Weslaco North WWTP.
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See the full treatment train at Weslaco North WWTP: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 79
- Effluent violations
- 79
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 Weslaco North WWTP in EPA's ICIS system.
- Formal actions
- 3
- 1 since FY2020
- Compliance actions
- $26,000
- required by EPA orders
- EPA inspections
- 0
- none on record
Latest case · Dec 2024
Weslaco North WWTP Administrative Order
Administrative order · CWA, NPDES Permit Violations · Final Order Issued · Compliance actions $20,000
EPA's description of the case:
“On, December 11, 2024 EPA Region 6 issued an Administrative Order (AO) under its authority pursuant to Section 309 of the Clean Water Act to the Weslaco North Wastewater Treatment Plant. The AO was…”
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Source: EPA ECHO, civil enforcement case 06-2025-1704.
Full case history with a free Klarifi account
Every action against Weslaco North WWTP with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.
Key contacts
27 verified contacts for Weslaco North WWTP, with validated emails and direct phone numbers.
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Names, validated emails and direct phone numbers for decision-makers at Weslaco North WWTP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Texas
Mercedes · 5 mi away
2.21 MGD
Weslaco · 5 mi away
1.61 MGD
Donna · 5 mi away
1.81 MGD
Edcouch · 9 mi away
0.1 MGD
Alamo · 9 mi away
1.49 MGD
Elsa · 9 mi away
0.54 MGD
La Feria · 9 mi away
0.8 MGD
La Villa · 9 mi away
0.12 MGD
Weslaco North 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 16, 2026.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Biosolids · Filter press · all terms