VAN ALSYNE MUD 3 WWTP

NPDES ID: TX0139742

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: 2 effluent violations.

Violations

April 30, 2026

Solids, total suspended

103% over limit

Discharged 122 mg/L against a permitted limit of 60 mg/L (SINGGRAB)

DMR, Limited - Numeric Violation

Solids, total suspended

221% over limit

Discharged 48.1 mg/L against a permitted limit of 15 mg/L (DAILY AV)

DMR, Limited - Numeric Violation

March 31, 2026

Solids, total suspended

16% over limit

Discharged 69.6 mg/L against a permitted limit of 60 mg/L (SINGGRAB)

DMR, Limited - Numeric Violation

Solids, total suspended

66% over limit

Discharged 24.9 mg/L against a permitted limit of 15 mg/L (DAILY AV)

DMR, Limited - Numeric Violation

August 31, 2025

Nitrogen, ammonia total [as N]

960% over limit

Discharged 21.2 mg/L against a permitted limit of 2 mg/L (DAILY AV)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

164% over limit

Discharged 39.6 mg/L against a permitted limit of 15 mg/L (SINGGRAB)

DMR, Limited - Numeric Violation

BOD, carbonaceous [5 day, 20 C]

6% over limit

Discharged 10.6 mg/L against a permitted limit of 10 mg/L (DAILY AV)

DMR, Limited - Numeric Violation

July 31, 2025

Nitrogen, ammonia total [as N]

68% over limit

Discharged 25.2 mg/L against a permitted limit of 15 mg/L (SINGGRAB)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

333% over limit

Discharged 8.66 mg/L against a permitted limit of 2 mg/L (DAILY AV)

DMR, Limited - Numeric Violation

Chlorine, total residual

42% over limit

Discharged 0.58 mg/L against a permitted limit of 1 mg/L (MO MIN)

DMR, Limited - Numeric Violation

First flagged

April 14, 2026 (3 months ago)

Last confirmed

July 13, 2026 (23 days ago)