DUNAWEAL WWTP
NPDES ID: CA0037966
S — SNC: Compliance schedule violation
The facility missed a deadline in its compliance schedule by more than 90 days.
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
February 28, 2025
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0 mg/L against a permitted limit of 12 mg/L (MO AVG)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0 mg/L against a permitted limit of 39 mg/L (DAILY MX)
DMR, Limited - Overdue
December 31, 2024
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
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
November 30, 2024
pH
0% over limit
Discharged 5.85 SU against a permitted limit of 6.5 SU (MINIMUM)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (24 days ago)