South West WWTP
1 M NE Of US 287 & Sh Loop 510, Henrietta, TX 76365 · Clay County · Publicly Owned Treatment Works
- Average flow
- 0.15 MGD
- Design flow
- 0.39 MGD
- NPDES permit
- TX0022314
- Effective
- Permit expires
- January 2031
- Population served
- 2,000
- CWNS 2022
South West WWTP is a publicly owned wastewater treatment works in Henrietta, Clay County, Texas treating an average of 0.15 million gallons per day against a permitted design capacity of 0.39 MGD, serving about 2,000 residents. It discharges under NPDES permit TX0022314 (effective), which expires in January 2031, with 4 recorded violations in the last three years.
Treatment technology
2 treatment structures and unit processes identified at South West WWTP.
Available with a free Klarifi account
See the full treatment train at South West WWTP: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 4
- Effluent violations
- 4
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at South West WWTP.
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Nearby wastewater treatment plants in Texas
Henrietta · 2 mi away
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Wichita Falls · 12 mi away
0.06 MGD
Bellevue · 15 mi away
0.03 MGD
Byers · 18 mi away
0.1 MGD
Wichita Falls · 19 mi away
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Wichita Falls · 23 mi away
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Nocona · 26 mi away
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Nocona · 26 mi away
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South West 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 26, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Tertiary treatment · Significant industrial user · all terms