Big Sky WWTF
1.0 Mi NW Of Int Jackson Rd And US Hwy 380, Krum, TX 76259 · Denton County · Publicly Owned Treatment Works
- Average flow
- 0.13 MGD
- Design flow
- 0.68 MGD
- NPDES permit
- TX0137138
- Effective
- Permit expires
- November 2026
- Population served
- —
- CWNS 2022
Big Sky WWTF is a publicly owned wastewater treatment works in Krum, Denton County, Texas treating an average of 0.13 million gallons per day against a permitted design capacity of 0.68 MGD. It discharges under NPDES permit TX0137138 (effective), which expires in November 2026, with 2 recorded violations in the last three years.
Treatment technology
One treatment structure or unit process identified at Big Sky WWTF.
Available with a free Klarifi account
See the full treatment train at Big Sky WWTF: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 2
- Effluent violations
- 2
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Big Sky WWTF.
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Nearby wastewater treatment plants in Texas
Krum · 7 mi away
0.11 MGD
Ponder · 7 mi away
0.41 MGD
Denton · 10 mi away
0.31 MGD
Justin · 13 mi away
0.44 MGD
Decatur · 13 mi away
1.07 MGD
New Fairview · 13 mi away
0.09 MGD
Sanger · 14 mi away
1.41 MGD
Decatur · 15 mi away
0.18 MGD
Big Sky 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 May 26, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Lift station · Sludge dewatering · all terms