City Of San Juan WWTP
201 W Hall Acres Rd, San Juan, TX 78589 · Hidalgo County · Publicly Owned Treatment Works
- Average flow
- 2.71 MGD
- Design flow
- 4 MGD
- NPDES permit
- TX0057592
- Administratively continued
- Permit expires
- March 2026
- Population served
- 7,500
- CWNS 2022
City Of San Juan WWTP is a publicly owned wastewater treatment works in San Juan, Hidalgo County, Texas treating an average of 2.71 million gallons per day against a permitted design capacity of 4 MGD, serving about 7,500 residents. It discharges under NPDES permit TX0057592 (administratively continued), which expires in March 2026, with 0 recorded violations in the last three years. EPA has recorded 1 formal enforcement action naming the plant, the latest in September 2015.
Treatment technology
2 treatment structures and unit processes identified at City Of San Juan WWTP.
Available with a free Klarifi account
See the full treatment train at City Of San Juan WWTP: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 0
- Effluent violations
- 0
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 City Of San Juan WWTP in EPA's ICIS system.
- Formal actions
- 1
- 0 since FY2020
- Compliance actions
- $2,000
- required by EPA orders
- EPA inspections
- 0
- none on record
Latest case · Sep 2015
City of San Juan
Administrative order · CWA, NPDES Permit Violations · Unilateral Administrative Order Without Adjudication · Compliance actions $2,000
EPA's description of the case:
“Respondent, City of San Juan is located in Hidalgo County, Texas. The Administratve Order covers effluent violations of the permit.”
Source: EPA ECHO, civil enforcement case 06-2015-1735.
Full case history with a free Klarifi account
Every action against City Of San Juan WWTP with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.
Key contacts
Decision-makers at City Of San Juan WWTP.
No verified contacts on file yet
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Nearby wastewater treatment plants in Texas
Pharr · 1 mi away
6.19 MGD
Alamo · 3 mi away
1.49 MGD
Donna · 7 mi away
1.81 MGD
Weslaco · 9 mi away
1.61 MGD
Mcallen · 11 mi away
—
Mission · 11 mi away
9.06 MGD
Weslaco · 11 mi away
3.57 MGD
Elsa · 14 mi away
0.54 MGD
City Of San Juan 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 May 27, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · WWTP · Biosolids · all terms