STEPHENVILLE WWTP
NPDES ID: TX0024228
S — SNC: Compliance schedule violation
The facility missed a deadline in its compliance schedule by more than 90 days.
This quarter: 4 effluent violations.
Violations
June 30, 2026
Phosphorus, total [as P]
10% over limit
Discharged 1.1 mg/L against a permitted limit of 1 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
10% over limit
Discharged 1.1 mg/L against a permitted limit of 1 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
May 31, 2026
Phosphorus, total [as P]
61% over limit
Discharged 1.61 mg/L against a permitted limit of 1 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
61% over limit
Discharged 1.61 mg/L against a permitted limit of 1 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
January 31, 2026
Chlorine, total residual
10% over limit
Discharged 0.9 mg/L against a permitted limit of 1 mg/L (MO MIN)
DMR, Limited - Numeric Violation
Chlorine, total residual
10% over limit
Discharged 0.9 mg/L against a permitted limit of 1 mg/L (MO MIN)
DMR, Limited - Numeric Violation
June 30, 2025
Phosphorus, total [as P]
47% over limit
Discharged 5.87 mg/L against a permitted limit of 4 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
7% over limit
Discharged 12.1535799 kg/d against a permitted limit of 11.3499999 kg/d (DAILY AV)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
47% over limit
Discharged 5.87 mg/L against a permitted limit of 4 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
66% over limit
Discharged 1.66 mg/L against a permitted limit of 1 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
79% over limit
Discharged 1.79 mg/L against a permitted limit of 1 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
March 31, 2025
Nitrogen, ammonia total [as N]
185% over limit
Discharged 5.7 mg/L against a permitted limit of 2 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
42% over limit
Discharged 14.2 mg/L against a permitted limit of 10 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
44% over limit
Discharged 32.68799973 kg/d against a permitted limit of 22.69999981 kg/d (DAILY AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
42% over limit
Discharged 14.2 mg/L against a permitted limit of 10 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
185% over limit
Discharged 5.7 mg/L against a permitted limit of 2 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
February 28, 2025
Nitrogen, ammonia total [as N]
50% over limit
Discharged 3 mg/L against a permitted limit of 2 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
50% over limit
Discharged 3 mg/L against a permitted limit of 2 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (4 months ago)
Last confirmed
August 15, 2026 (12 hours ago)