Treschwig Regional Wastewater Treatment Plant
4414 Treschwig Road, Spring, TX 77373 · Harris County · Publicly Owned Treatment Works
- Average flow
- 2.18 MGD
- Design flow
- 2 MGD
- NPDES permit
- TX0046728
- Effective
- Permit expires
- May 2029
- Population served
- 14,758
- CWNS 2022
Treschwig Regional Wastewater Treatment Plant is a publicly owned wastewater treatment works in Spring, Harris County, Texas treating an average of 2.18 million gallons per day against a permitted design capacity of 2 MGD, serving about 14,758 residents. It discharges under NPDES permit TX0046728 (effective), which expires in May 2029, with 10 recorded violations in the last three years.
Treatment technology
One treatment structure or unit process identified at Treschwig Regional Wastewater Treatment Plant.
Available with a free Klarifi account
See the full treatment train at Treschwig Regional Wastewater Treatment Plant: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 10
- Effluent violations
- 10
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 Treschwig Regional Wastewater Treatment Plant in EPA's ICIS system.
- Formal actions
- 0
- none on record
- EPA inspections
- 1
- latest Sep 2009
No formal federal enforcement case is on record for this plant.
Full case history with a free Klarifi account
Every action against Treschwig Regional Wastewater Treatment Plant with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.
Key contacts
Decision-makers at Treschwig Regional Wastewater Treatment Plant.
No verified contacts on file yet
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Nearby wastewater treatment plants in Texas
Houston · 1 mi away
0.16 MGD
Houston · 2 mi away
2.57 MGD
Houston · 2 mi away
0.51 MGD
Houston · 2 mi away
0.35 MGD
Houston · 2 mi away
0.38 MGD
Houston · 3 mi away
0.35 MGD
Spring · 3 mi away
2.16 MGD
Spring · 3 mi away
0.42 MGD
Treschwig Regional Wastewater Treatment Plant: 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 · Lift station · Sludge dewatering · all terms