FOREST LAKES METRO DISTRICT

NPDES ID: CO0048160

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

Nitrogen, ammonia total [as N]

189% over limit

Discharged 21.66 mg/L against a permitted limit of 7.5 mg/L (ROLL AVG)

DMR, Limited - Numeric Violation

February 28, 2026

Nitrogen, ammonia total [as N]

322% over limit

Discharged 25.76 mg/L against a permitted limit of 6.1 mg/L (ROLL AVG)

DMR, Limited - Numeric Violation

April 30, 2025

Nitrogen, ammonia total [as N]

6% over limit

Discharged 8.2 mg/L against a permitted limit of 7.7 mg/L (ROLL AVG)

DMR, Limited - Numeric Violation

March 31, 2025

Nitrogen, ammonia total [as N]

244% over limit

Discharged 25.8 mg/L against a permitted limit of 7.5 mg/L (ROLL AVG)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

16% over limit

Discharged 40.5 mg/L against a permitted limit of 35 mg/L (30DA AVG)

DMR, Limited - Numeric Violation

February 28, 2025

Nitrogen, ammonia total [as N]

74% over limit

Discharged 48.6 mg/L against a permitted limit of 28 mg/L (30DA AVG)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

10% over limit

Discharged 48.6 mg/L against a permitted limit of 44 mg/L (DAILY MX)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

334% over limit

Discharged 26.45 mg/L against a permitted limit of 6.1 mg/L (ROLL AVG)

DMR, Limited - Numeric Violation

First flagged

April 14, 2026 (3 months ago)

Last confirmed

August 1, 2026 (4 days ago)