City Of Jarrell WWTF
Jarrell, TX · Williamson County · Publicly Owned Treatment Works
- Average flow
- 1.38 MGD
- Design flow
- 4 MGD
- NPDES permit
- TX0127698
- Effective
- Permit expires
- January 2031
- Population served
- 752
- CWNS 2022
City Of Jarrell WWTF is a publicly owned wastewater treatment works in Jarrell, Williamson County, Texas treating an average of 1.38 million gallons per day against a permitted design capacity of 4 MGD, serving about 752 residents. Treatment on site includes clarifiers. It discharges under NPDES permit TX0127698 (effective), which expires in January 2031, with 36 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
- 36
- Effluent violations
- 7
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at City Of Jarrell WWTF.
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Nearby wastewater treatment plants in Texas
Bartlett · 8 mi away
0.21 MGD
Holland · 10 mi away
0.16 MGD
Granger · 10 mi away
0.07 MGD
Georgetown · 11 mi away
0.13 MGD
Georgetown · 11 mi away
2.45 MGD
Florence · 13 mi away
0.11 MGD
Georgetown · 14 mi away
2.06 MGD
Little River Academy · 15 mi away
0.08 MGD
City Of Jarrell 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 September 11, 2026; facility record last updated May 26, 2025.