ACTON MUD WWTP 1 DECORDOVA BEND

NPDES ID: TX0105163

X — SNC: Effluent violation (non-monthly average limit)

The facility discharged more of a pollutant than its permit allows, measured over a period other than a monthly average.

This quarter: 3 effluent violations.

Violations

June 30, 2026

Chlorine, total residual

8% over limit

Discharged 4.3 mg/L against a permitted limit of 4 mg/L (MO MAX)

DMR, Limited - Numeric Violation

May 31, 2026

Chlorine, total residual

5% over limit

Discharged 4.2 mg/L against a permitted limit of 4 mg/L (MO MAX)

DMR, Limited - Numeric Violation

April 30, 2026

Chlorine, total residual

3% over limit

Discharged 4.1 mg/L against a permitted limit of 4 mg/L (MO MAX)

DMR, Limited - Numeric Violation

March 31, 2026

Chlorine, total residual

3% over limit

Discharged 4.1 mg/L against a permitted limit of 4 mg/L (MO MAX)

DMR, Limited - Numeric Violation

April 30, 2025

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

February 28, 2025

Chlorine, total residual

5% over limit

Discharged 4.2 mg/L against a permitted limit of 4 mg/L (MO MAX)

DMR, Limited - Numeric Violation

August 31, 2024

Nitrogen, ammonia total [as N]

86% over limit

Discharged 3.71 mg/L against a permitted limit of 2 mg/L (DAILY AV)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

15% over limit

Discharged 5.21918396 kg/d against a permitted limit of 4.53999996 kg/d (DAILY AV)

DMR, Limited - Numeric Violation

First flagged

April 14, 2026 (4 months ago)

Last confirmed

August 15, 2026 (7 hours ago)