CALDWELL, CITY OF - CALDWELL WWTP
NPDES ID: ID0021504
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: 1 single-event violation, 1 permit schedule violation.
Violations
December 31, 2025
Carbon, dissolved organic [as C]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Carbon, dissolved organic [as C]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
November 30, 2025
E. coli, MTEC-MF
196% over limit
Discharged 1203.3 MPN/100mL against a permitted limit of 406 MPN/100mL (INST MAX)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (23 days ago)