BRECKENRIDGE-UNION WATER TREATMENT FACILITY

NPDES ID: ARG640021

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.

Violations

March 31, 2026

Chlorine, total residual

6718% over limit

Discharged 0.75 mg/L against a permitted limit of 0.011 mg/L (INST MAX)

DMR, Limited - Numeric Violation

December 31, 2025

Chlorine, total residual

6173% over limit

Discharged 0.69 mg/L against a permitted limit of 0.011 mg/L (INST MAX)

DMR, Limited - Numeric Violation

September 30, 2025

Chlorine, total residual

3991% over limit

Discharged 0.45 mg/L against a permitted limit of 0.011 mg/L (INST MAX)

DMR, Limited - Numeric Violation

June 30, 2025

Chlorine, total residual

10445% over limit

Discharged 1.16 mg/L against a permitted limit of 0.011 mg/L (INST MAX)

DMR, Limited - Numeric Violation

March 31, 2025

Iron, dissolved [as Fe]

60% over limit

Discharged 1.595 mg/L against a permitted limit of 1 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Chlorine, total residual

13900% over limit

Discharged 1.54 mg/L against a permitted limit of 0.011 mg/L (INST MAX)

DMR, Limited - Numeric Violation

December 31, 2024

Chlorine, total residual

11173% over limit

Discharged 1.24 mg/L against a permitted limit of 0.011 mg/L (INST MAX)

DMR, Limited - Numeric Violation

September 30, 2024

Chlorine, total residual

9991% over limit

Discharged 1.11 mg/L against a permitted limit of 0.011 mg/L (INST MAX)

DMR, Limited - Numeric Violation

First flagged

April 14, 2026 (3 months ago)

Last confirmed

July 13, 2026 (23 days ago)