Little Elm WWTP
Little Elm, TX · Denton County · Publicly Owned Treatment Works
- Average flow
- 3.35 MGD
- Design flow
- 4 MGD
- NPDES permit
- TX0053783
- Effective
- Permit expires
- January 2027
- Population served
- 24,308
- CWNS 2022
Little Elm WWTP is a publicly owned wastewater treatment works in Little Elm, Denton County, Texas treating an average of 3.35 million gallons per day against a permitted design capacity of 4 MGD, serving about 24,308 residents. Treatment on site includes clarifiers. It discharges under NPDES permit TX0053783 (effective), which expires in January 2027, with 22 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
- 22
- Effluent violations
- 15
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
4 verified contacts for Little Elm WWTP, with validated emails and direct phone numbers.
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Names, validated emails and direct phone numbers for decision-makers at Little Elm WWTP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Texas
Hackberry · 1 mi away
0.62 MGD
Frisco · 3 mi away
—
Lakewood Village · 4 mi away
0.14 MGD
Frisco · 4 mi away
6.51 MGD
The Colony · 4 mi away
5.88 MGD
Lewisville · 5 mi away
5.85 MGD
Lewisville · 5 mi away
1.99 MGD
Aubrey · 8 mi away
0.72 MGD
Little Elm 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 May 26, 2025.