South Regional Waste Water Treatment Facility
4000 South State Line, Texarkana, TX 75501 · Bowie County · Publicly Owned Treatment Works
- Average flow
- 12.51 MGD
- Design flow
- 18 MGD
- NPDES permit
- TX0101800
- Administratively continued
- Permit expires
- July 2026
- Population served
- 116,259
- CWNS 2022
South Regional Waste Water Treatment Facility is a publicly owned wastewater treatment works in Texarkana, Bowie County, Texas treating an average of 12.51 million gallons per day against a permitted design capacity of 18 MGD, serving about 116,259 residents. It discharges under NPDES permit TX0101800 (administratively continued), which expires in July 2026, with 13 recorded violations in the last three years.
Treatment technology
2 treatment structures and unit processes identified at South Regional Waste Water Treatment Facility.
Available with a free Klarifi account
See the full treatment train at South Regional Waste Water Treatment Facility: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 13
- Effluent violations
- 13
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Capital improvement projects in Texarkana
Texarkana's capital improvement plan lists 51 water, sewer and wastewater line items worth $145M starting 2024–2026. The largest budgeted items are shown here.
All water and sewer capital projects in Texarkana →
| Project | Budget | Years |
|---|---|---|
| Water Line Inventory | $50,024,266 | 2025–2026 |
| 20,000 Commercial Meters (Automatic Metering System) | $20,801,430 | 2025–2025 |
| Relocate 10" Water Line from DeKalb to the Red River County Line (Hwy 82 Reconstruction) | $12,480,000 | 2025–2025 |
| Upgrade Waggoner Creek WWTP to 4.0 MGD | $10,000,000 | 2025–2026 |
| Install Meters at 14 Crossings on Stateline Avenue (Stateline Metering) | $7,986,244 | 2025–2025 |
Full project details — scope, funding source, engineering consultant and the decision-makers behind each project — are available in Klarifi, along with similar wastewater capital projects in other cities.
Key contacts
3 verified contacts for South Regional Waste Water Treatment Facility, with validated emails and direct phone numbers.
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Names, validated emails and direct phone numbers for decision-makers at South Regional Waste Water Treatment Facility, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Texas
Queen City · 10 mi away
0.01 MGD
Hooks · 12 mi away
0.78 MGD
Redwater · 12 mi away
0.04 MGD
Redwater · 12 mi away
0.29 MGD
Hooks · 14 mi away
0.71 MGD
Queen City · 16 mi away
0.33 MGD
Maud · 17 mi away
0.42 MGD
Bloomburg · 17 mi away
0.06 MGD
South Regional Waste Water Treatment Facility: 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 March 1, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Tertiary treatment · Significant industrial user · all terms