UNION HILL ISD WWTP
NPDES ID: TX0118451
E — SNC: Effluent violation (monthly average limit)
The facility discharged more of a pollutant than its permit allows, based on a monthly average.
This quarter: 1 effluent violation.
Violations
April 30, 2026
Solids, total suspended
185% over limit
Discharged 57 mg/L against a permitted limit of 20 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
March 31, 2026
E. coli
1821% over limit
Discharged 2420 MPN/100mL against a permitted limit of 126 MPN/100mL (DAILY AV)
DMR, Limited - Numeric Violation
E. coli
507% over limit
Discharged 2420 MPN/100mL against a permitted limit of 399 MPN/100mL (SINGGRAB)
DMR, Limited - Numeric Violation
February 28, 2026
Solids, total suspended
768% over limit
Discharged 173.5 mg/L against a permitted limit of 20 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
Solids, total suspended
346% over limit
Discharged 2.63319998 kg/d against a permitted limit of 0.5902 kg/d (DAILY AV)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
183% over limit
Discharged 184 mg/L against a permitted limit of 65 mg/L (SINGGRAB)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (5 months ago)
Last confirmed
September 15, 2026 (5 days ago)