KNOXVILLE CITY OF STP
NPDES ID: IA0035866
S — SNC: Compliance schedule violation
The facility missed a deadline in its compliance schedule by more than 90 days.
Violations
October 31, 2024
E. coli
8847% over limit
Discharged 19325.63 MPN/100mL against a permitted limit of 216 MPN/100mL (GEO MEAN)
DMR, Limited - Numeric Violation
August 31, 2024
E. coli
8769% over limit
Discharged 19158.09 MPN/100mL against a permitted limit of 216 MPN/100mL (GEO MEAN)
DMR, Limited - Numeric Violation
July 31, 2024
Nitrogen, ammonia total [as N]
16% over limit
Discharged 1.155555 mg/L against a permitted limit of 1 mg/L (30DA AVG)
DMR, Limited - Numeric Violation
E. coli
6556% over limit
Discharged 14376.88 MPN/100mL against a permitted limit of 216 MPN/100mL (GEO MEAN)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
133% over limit
Discharged 8.16 mg/L against a permitted limit of 3.5 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (23 days ago)