DUNAWEAL WWTP
NPDES ID: CA0037966
S — SNC: Compliance schedule violation
The facility missed a deadline in its compliance schedule by more than 90 days.
This quarter: 1 compliance schedule violation.
Violations
December 31, 2025
Aldrin
977% over limit
Discharged 0.0000014 mg/L against a permitted limit of 1.3e-7 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Aldrin
438% over limit
Discharged 0.0000014 mg/L against a permitted limit of 2.6e-7 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Aldrin
438% over limit
Discharged 0.0000014 mg/L against a permitted limit of 2.6e-7 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Aldrin
977% over limit
Discharged 0.0000014 mg/L against a permitted limit of 1.3e-7 mg/L (MO AVG)
DMR, Limited - Numeric Violation
March 31, 2025
Coliform, total general
46% over limit
Discharged 350 MPN/100mL against a permitted limit of 240 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
% Survival Static Renewal 96Hr Acute Pimephales promelas
86% over limit
Discharged 10 % against a permitted limit of 70 % (90TH% MN)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (5 months ago)
Last confirmed
September 15, 2026 (5 days ago)