City Of Longview Main WWTP
Longview, TX · Gregg County · Publicly Owned Treatment Works
- Average flow
- 13.3 MGD
- Design flow
- 21 MGD
- NPDES permit
- TX0022217
- Effective
- Permit expires
- September 2026
- Population served
- 81,025
- CWNS 2022
City Of Longview Main WWTP is a publicly owned wastewater treatment works in Longview, Gregg County, Texas treating an average of 13.3 million gallons per day against a permitted design capacity of 21 MGD, serving about 81,025 residents. Treatment on site includes clarifiers, aerated lagoons, uncovered lagoons, biogas silos. It discharges under NPDES permit TX0022217 (effective), which expires in September 2026, with 11 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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Aerated lagoons
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Uncovered lagoons
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Biogas silos
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Compliance snapshot (last 3 years)
- Total violations
- 11
- Effluent violations
- 11
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
1 verified contact for City Of Longview Main WWTP, with validated emails and direct phone numbers.
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Names, validated emails and direct phone numbers for decision-makers at City Of Longview Main WWTP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Texas
Kilgore · 4 mi away
0.03 MGD
Lakeport · 4 mi away
0.19 MGD
White Oak · 6 mi away
0.99 MGD
Kilgore · 7 mi away
1.88 MGD
Clarksville · 9 mi away
0.09 MGD
Gladewater · 12 mi away
0.58 MGD
Hallsville · 12 mi away
0.44 MGD
Gladewater · 12 mi away
0.0089 MGD
City Of Longview Main 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 April 12, 2025.