Sandbrock WWTP
Aubrey, TX · Denton County · Publicly Owned Treatment Works
- Average flow
- 0.72 MGD
- Design flow
- 15 MGD
- NPDES permit
- TX0137464
- Effective
- Permit expires
- July 2027
- Population served
- —
- CWNS 2022
Sandbrock WWTP is a publicly owned wastewater treatment works in Aubrey, Denton County, Texas treating an average of 0.72 million gallons per day against a permitted design capacity of 15 MGD. It discharges under NPDES permit TX0137464 (effective), which expires in July 2027, with 3 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Treatment structure data not yet analyzed for this facility.
Compliance snapshot (last 3 years)
- Total violations
- 3
- Effluent violations
- 3
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
1 verified contact for Sandbrock WWTP, with validated emails and direct phone numbers.
Unlock 1 verified contact
Names, validated emails and direct phone numbers for decision-makers at Sandbrock WWTP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Texas
Lewisville · 4 mi away
5.85 MGD
Frisco · 5 mi away
—
Aubrey · 6 mi away
0.68 MGD
Celina · 7 mi away
1.9 MGD
Celina · 7 mi away
0.92 MGD
Lewisville · 7 mi away
1.99 MGD
Little Elm · 8 mi away
3.35 MGD
Hackberry · 9 mi away
0.62 MGD
Sandbrock 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 September 11, 2026; facility record last updated September 5, 2025.