Southdown Wastewater Treatment Facility
Pearland, TX · Brazoria County · Publicly Owned Treatment Works
- Average flow
- 0.56 MGD
- Design flow
- 0.95 MGD
- NPDES permit
- TX0085383
- Effective
- Permit expires
- March 2029
- Population served
- 3,530
- CWNS 2022
Southdown Wastewater Treatment Facility is a publicly owned wastewater treatment works in Pearland, Brazoria County, Texas treating an average of 0.56 million gallons per day against a permitted design capacity of 0.95 MGD, serving about 3,530 residents. Treatment on site includes clarifiers. It discharges under NPDES permit TX0085383 (effective), which expires in March 2029, with 40 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Clarifiers
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Compliance snapshot (last 3 years)
- Total violations
- 40
- Effluent violations
- 40
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Capital improvement projects in Pearland
Pearland's capital improvement plan lists 80 water, sewer and wastewater line items worth $136M starting 2025–2029. The largest budgeted items are shown here.
All water and sewer capital projects in Pearland →
| Project | Budget | Years |
|---|---|---|
| Barry Rose Gravity Sewer - Plum from Galveston to Barry Rose WRF | $9,780,000 | 2025–2025 |
| Sanitary Sewer Rehabilitation - Longwood Service Area (LW-03) | $8,011,100 | 2025–2025 |
| FM 518 Utility Relocations Phase 2 (Old Chocolate Bayou to McLean) | $6,800,000 | 2026–2026 |
| FM 518 Utility Relocations - SH288 to Old Chocolate Bayou | $6,745,000 | 2025–2025 |
| FM 518 Wastewater Utility Relocations - SH288 to Old Chocolate Bayou | $6,550,000 | 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
9 verified contacts for Southdown Wastewater Treatment Facility, with validated emails and direct phone numbers.
Unlock 9 verified contacts (6 more than shown)
Names, validated emails and direct phone numbers for decision-makers at Southdown Wastewater Treatment Facility, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Texas
Pearland · 3 mi away
6.1 MGD
Pearland · 3 mi away
1.5 MGD
Pearland · 4 mi away
3.98 MGD
Manvel · 4 mi away
0.26 MGD
Houston · 4 mi away
12.85 MGD
Houston · 5 mi away
9.94 MGD
Bellaire · 6 mi away
0.61 MGD
Houston · 6 mi away
0.83 MGD
Southdown Wastewater 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 September 11, 2026; facility record last updated May 27, 2025.