City Of Tioga WWTF
W Hwy 377, Fm 121 & Hwy 377, Tioga, TX 76271 · Grayson County · Publicly Owned Treatment Works
- Average flow
- 0.17 MGD
- Design flow
- 0.18 MGD
- NPDES permit
- TX0055221
- Effective
- Permit expires
- November 2026
- Population served
- 1,235
- CWNS 2022
City Of Tioga WWTF is a publicly owned wastewater treatment works in Tioga, Grayson County, Texas treating an average of 0.17 million gallons per day against a permitted design capacity of 0.18 MGD, serving about 1,235 residents. It discharges under NPDES permit TX0055221 (effective), which expires in November 2026, with 7 recorded violations in the last three years.
Treatment technology
One treatment structure or unit process identified at City Of Tioga WWTF.
Available with a free Klarifi account
See the full treatment train at City Of Tioga WWTF: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 7
- Effluent violations
- 7
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 Tioga WWTF, with validated emails and direct phone numbers.
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Names, validated emails and direct phone numbers for decision-makers at City Of Tioga WWTF, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Texas
Pilot Point · 4 mi away
0.98 MGD
Collinsville · 6 mi away
0.29 MGD
Celina · 9 mi away
0.57 MGD
Gunter · 10 mi away
0.44 MGD
Aubrey · 12 mi away
0.54 MGD
Celina · 12 mi away
1.62 MGD
Gunter · 13 mi away
0.15 MGD
Aubrey · 13 mi away
1.06 MGD
City Of Tioga WWTF: 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 April 11, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Biological nutrient removal · Tertiary treatment · all terms