PCPWSD NO. 2 - COLLEGE HILLS EAST WWTP
NPDES ID: MO0126730
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
June 30, 2026
pH
0% over limit
Discharged 6.3 SU against a permitted limit of 6.5 SU (MINIMUM)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
227% over limit
Discharged 3.27 mg/L against a permitted limit of 1 mg/L (MO AVG)
DMR, Limited - Numeric Violation
March 31, 2026
Nitrogen, ammonia total [as N]
91% over limit
Discharged 4.77 mg/L against a permitted limit of 2.5 mg/L (MO AVG)
DMR, Limited - Numeric Violation
September 30, 2025
Nitrogen, ammonia total [as N]
68% over limit
Discharged 1.68 mg/L against a permitted limit of 1 mg/L (MO AVG)
DMR, Limited - Numeric Violation
June 30, 2025
Nitrogen, ammonia total [as N]
113% over limit
Discharged 2.13 mg/L against a permitted limit of 1 mg/L (MO AVG)
DMR, Limited - Numeric Violation
March 31, 2025
Nitrogen, ammonia total [as N]
172% over limit
Discharged 6.8 mg/L against a permitted limit of 2.5 mg/L (MO AVG)
DMR, Limited - Numeric Violation
pH
0% over limit
Discharged 5.3 SU against a permitted limit of 6.5 SU (MINIMUM)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (4 months ago)
Last confirmed
August 15, 2026 (7 hours ago)