CITY OF DE LEON WWTP
NPDES ID: TX0054844
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: 5 effluent violations.
Violations
June 30, 2026
pH
0% over limit
Discharged 5.98 SU against a permitted limit of 6 SU (MINIMUM)
DMR, Limited - Numeric Violation
May 31, 2026
Nitrogen, ammonia total [as N]
91% over limit
Discharged 5.72 mg/L against a permitted limit of 3 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
April 30, 2026
Nitrogen, ammonia total [as N]
318% over limit
Discharged 12.53 mg/L against a permitted limit of 3 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
85% over limit
Discharged 6.21525995 kg/d against a permitted limit of 3.35959997 kg/d (DAILY AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
17% over limit
Discharged 17.6 mg/L against a permitted limit of 15 mg/L (SINGGRAB)
DMR, Limited - Numeric Violation
June 30, 2025
Nitrogen, ammonia total [as N]
54% over limit
Discharged 4.61 mg/L against a permitted limit of 3 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
May 31, 2025
Nitrogen, ammonia total [as N]
31% over limit
Discharged 19.6 mg/L against a permitted limit of 15 mg/L (SINGGRAB)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
79% over limit
Discharged 5.36 mg/L against a permitted limit of 3 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
April 30, 2025
Nitrogen, ammonia total [as N]
117% over limit
Discharged 6.51 mg/L against a permitted limit of 3 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
64% over limit
Discharged 24.6 mg/L against a permitted limit of 15 mg/L (SINGGRAB)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
11% over limit
Discharged 3.73641997 kg/d against a permitted limit of 3.35959997 kg/d (DAILY AV)
DMR, Limited - Numeric Violation
March 31, 2025
BOD, carbonaceous [5 day, 20 C]
80% over limit
Discharged 63 mg/L against a permitted limit of 35 mg/L (SINGGRAB)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
152% over limit
Discharged 37.8 mg/L against a permitted limit of 15 mg/L (SINGGRAB)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
556% over limit
Discharged 19.67 mg/L against a permitted limit of 3 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
Solids, total suspended
35% over limit
Discharged 20.25 mg/L against a permitted limit of 15 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
9% over limit
Discharged 12.3851199 kg/d against a permitted limit of 11.3499999 kg/d (DAILY AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
163% over limit
Discharged 8.82121993 kg/d against a permitted limit of 3.35959997 kg/d (DAILY AV)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
175% over limit
Discharged 27.5 mg/L against a permitted limit of 10 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
November 30, 2024
Nitrogen, ammonia total [as N]
88% over limit
Discharged 5.63 mg/L against a permitted limit of 3 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (4 months ago)
Last confirmed
August 15, 2026 (10 hours ago)