City Of La-Marque Wastewater Treatment Facility
La Marque, TX · Galveston County · Publicly Owned Treatment Works
- Average flow
- 2.89 MGD
- Design flow
- 3 MGD
- NPDES permit
- TX0114821
- Administratively continued
- Permit expires
- July 2025
- Population served
- 15,858
- CWNS 2022
City Of La-Marque Wastewater Treatment Facility is a publicly owned wastewater treatment works in La Marque, Galveston County, Texas treating an average of 2.89 million gallons per day against a permitted design capacity of 3 MGD, serving about 15,858 residents. Treatment on site includes clarifiers. It discharges under NPDES permit TX0114821 (administratively continued), which expires in July 2025, with 56 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
- 56
- Effluent violations
- 56
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
2 verified contacts for City Of La-Marque Wastewater Treatment Facility, with validated emails and direct phone numbers.
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Names, validated emails and direct phone numbers for decision-makers at City Of La-Marque Wastewater Treatment Facility, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Texas
Hitchcock · 3 mi away
3.03 MGD
Bayou Vista · 3 mi away
0.4 MGD
Galveston · 4 mi away
0.19 MGD
Santa Fe · 6 mi away
1.22 MGD
Texas City · 7 mi away
10.53 MGD
Dickinson · 8 mi away
9.8 MGD
San Leon · 10 mi away
1.72 MGD
Galveston · 10 mi away
0.55 MGD
City Of La-Marque 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 26, 2025.