CITY OF DANBURY PUBLIC WATER SUPPLY SYSTEM
NPDES ID: CTRSS0095
D — SNC: Discharge monitoring report not received
The facility didn't submit its required discharge monitoring report.
This quarter: 12 reporting violations.
Violations
April 30, 2026
pH
0% over limit
Discharged 0 SU against a permitted limit of 10 SU (INST MAX)
DMR, Limited - Overdue
Flow
0% over limit
Discharged 0 MGD against a permitted limit of 0.025 MGD (DAILY MX)
DMR, Limited - Overdue
Flow, maximum during 24 hr period
0% over limit
Discharged 0 MGD against a permitted limit of 0.025 MGD (DAILY MX)
DMR, Limited - Overdue
Flow rate
0% over limit
Discharged 0 MGD against a permitted limit of 0 MGD (MO AVG)
DMR, Monitor Only - Overdue
Hydrocarbons, total petroleum
0% over limit
Discharged 0 mg/L against a permitted limit of 100 mg/L (INST MAX)
DMR, Limited - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 5 SU (INST MIN)
DMR, Limited - Overdue
March 31, 2026
Flow rate
0% over limit
Discharged 0 MGD against a permitted limit of 0 MGD (MO AVG)
DMR, Monitor Only - Overdue
Hydrocarbons, total petroleum
0% over limit
Discharged 0 mg/L against a permitted limit of 100 mg/L (INST MAX)
DMR, Limited - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 10 SU (INST MAX)
DMR, Limited - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 5 SU (INST MIN)
DMR, Limited - Overdue
Flow, maximum during 24 hr period
0% over limit
Discharged 0 MGD against a permitted limit of 0.025 MGD (DAILY MX)
DMR, Limited - Overdue
Flow
0% over limit
Discharged 0 MGD against a permitted limit of 0.025 MGD (DAILY MX)
DMR, Limited - Overdue
February 28, 2026
pH
0% over limit
Discharged 0 SU against a permitted limit of 5 SU (INST MIN)
DMR, Limited - Overdue
Flow
0% over limit
Discharged 0 MGD against a permitted limit of 0.025 MGD (DAILY MX)
DMR, Limited - Overdue
Hydrocarbons, total petroleum
0% over limit
Discharged 0 mg/L against a permitted limit of 100 mg/L (INST MAX)
DMR, Limited - Overdue
Flow rate
0% over limit
Discharged 0 MGD against a permitted limit of 0 MGD (MO AVG)
DMR, Monitor Only - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 10 SU (INST MAX)
DMR, Limited - Overdue
Flow, maximum during 24 hr period
0% over limit
Discharged 0 MGD against a permitted limit of 0.025 MGD (DAILY MX)
DMR, Limited - Overdue
January 31, 2026
Hydrocarbons, total petroleum
0% over limit
Discharged 0 mg/L against a permitted limit of 100 mg/L (INST MAX)
DMR, Limited - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 5 SU (INST MIN)
DMR, Limited - Overdue
Flow
0% over limit
Discharged 0 MGD against a permitted limit of 0.025 MGD (DAILY MX)
DMR, Limited - Overdue
Flow, maximum during 24 hr period
0% over limit
Discharged 0 MGD against a permitted limit of 0.025 MGD (DAILY MX)
DMR, Limited - Overdue
Flow rate
0% over limit
Discharged 0 MGD against a permitted limit of 0 MGD (MO AVG)
DMR, Monitor Only - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 10 SU (INST MAX)
DMR, Limited - Overdue
December 31, 2025
Flow rate
0% over limit
Discharged 0 MGD against a permitted limit of 0 MGD (MO AVG)
DMR, Monitor Only - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 10 SU (INST MAX)
DMR, Limited - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 5 SU (INST MIN)
DMR, Limited - Overdue
Flow
0% over limit
Discharged 0 MGD against a permitted limit of 0.025 MGD (DAILY MX)
DMR, Limited - Overdue
Flow, maximum during 24 hr period
0% over limit
Discharged 0 MGD against a permitted limit of 0.025 MGD (DAILY MX)
DMR, Limited - Overdue
Hydrocarbons, total petroleum
0% over limit
Discharged 0 mg/L against a permitted limit of 100 mg/L (INST MAX)
DMR, Limited - Overdue
November 30, 2025
Flow, maximum during 24 hr period
0% over limit
Discharged 0 MGD against a permitted limit of 0.025 MGD (DAILY MX)
DMR, Limited - Overdue
Hydrocarbons, total petroleum
0% over limit
Discharged 0 mg/L against a permitted limit of 100 mg/L (INST MAX)
DMR, Limited - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 5 SU (INST MIN)
DMR, Limited - Overdue
Flow
0% over limit
Discharged 0 MGD against a permitted limit of 0.025 MGD (DAILY MX)
DMR, Limited - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 10 SU (INST MAX)
DMR, Limited - Overdue
Flow rate
0% over limit
Discharged 0 MGD against a permitted limit of 0 MGD (MO AVG)
DMR, Monitor Only - Overdue
October 31, 2025
Flow, maximum during 24 hr period
0% over limit
Discharged 0 MGD against a permitted limit of 0.025 MGD (DAILY MX)
DMR, Limited - Overdue
Flow
0% over limit
Discharged 0 MGD against a permitted limit of 0.025 MGD (DAILY MX)
DMR, Limited - Overdue
Hydrocarbons, total petroleum
0% over limit
Discharged 0 mg/L against a permitted limit of 100 mg/L (INST MAX)
DMR, Limited - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 10 SU (INST MAX)
DMR, Limited - Overdue
Flow rate
0% over limit
Discharged 0 MGD against a permitted limit of 0 MGD (MO AVG)
DMR, Monitor Only - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 5 SU (INST MIN)
DMR, Limited - Overdue
September 30, 2025
pH
0% over limit
Discharged 0 SU against a permitted limit of 5 SU (INST MIN)
DMR, Limited - Overdue
Flow rate
0% over limit
Discharged 0 MGD against a permitted limit of 0 MGD (MO AVG)
DMR, Monitor Only - Overdue
Flow
0% over limit
Discharged 0 MGD against a permitted limit of 0.025 MGD (DAILY MX)
DMR, Limited - Overdue
Hydrocarbons, total petroleum
0% over limit
Discharged 0 mg/L against a permitted limit of 100 mg/L (INST MAX)
DMR, Limited - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 10 SU (INST MAX)
DMR, Limited - Overdue
Flow, maximum during 24 hr period
0% over limit
Discharged 0 MGD against a permitted limit of 0.025 MGD (DAILY MX)
DMR, Limited - Overdue
August 31, 2025
Flow rate
0% over limit
Discharged 0 MGD against a permitted limit of 0 MGD (MO AVG)
DMR, Monitor Only - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 10 SU (INST MAX)
DMR, Limited - Overdue
Flow
0% over limit
Discharged 0 MGD against a permitted limit of 0.025 MGD (DAILY MX)
DMR, Limited - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 5 SU (INST MIN)
DMR, Limited - Overdue
Flow, maximum during 24 hr period
0% over limit
Discharged 0 MGD against a permitted limit of 0.025 MGD (DAILY MX)
DMR, Limited - Overdue
Hydrocarbons, total petroleum
0% over limit
Discharged 0 mg/L against a permitted limit of 100 mg/L (INST MAX)
DMR, Limited - Overdue
July 31, 2025
pH
0% over limit
Discharged 0 SU against a permitted limit of 10 SU (INST MAX)
DMR, Limited - Overdue
Hydrocarbons, total petroleum
0% over limit
Discharged 0 mg/L against a permitted limit of 100 mg/L (INST MAX)
DMR, Limited - Overdue
Flow rate
0% over limit
Discharged 0 MGD against a permitted limit of 0 MGD (MO AVG)
DMR, Monitor Only - Overdue
Flow
0% over limit
Discharged 0 MGD against a permitted limit of 0.025 MGD (DAILY MX)
DMR, Limited - Overdue
Flow, maximum during 24 hr period
0% over limit
Discharged 0 MGD against a permitted limit of 0.025 MGD (DAILY MX)
DMR, Limited - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 5 SU (INST MIN)
DMR, Limited - Overdue
June 30, 2025
Flow
0% over limit
Discharged 0 MGD against a permitted limit of 0.025 MGD (DAILY MX)
DMR, Limited - Overdue
Flow, maximum during 24 hr period
0% over limit
Discharged 0 MGD against a permitted limit of 0.025 MGD (DAILY MX)
DMR, Limited - Overdue
Hydrocarbons, total petroleum
0% over limit
Discharged 0 mg/L against a permitted limit of 100 mg/L (INST MAX)
DMR, Limited - Overdue
Flow rate
0% over limit
Discharged 0 MGD against a permitted limit of 0 MGD (MO AVG)
DMR, Monitor Only - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 10 SU (INST MAX)
DMR, Limited - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 5 SU (INST MIN)
DMR, Limited - Overdue
May 31, 2025
Hydrocarbons, total petroleum
0% over limit
Discharged 0 mg/L against a permitted limit of 100 mg/L (INST MAX)
DMR, Limited - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 5 SU (INST MIN)
DMR, Limited - Overdue
Flow
0% over limit
Discharged 0 MGD against a permitted limit of 0.025 MGD (DAILY MX)
DMR, Limited - Overdue
Flow, maximum during 24 hr period
0% over limit
Discharged 0 MGD against a permitted limit of 0.025 MGD (DAILY MX)
DMR, Limited - Overdue
Flow rate
0% over limit
Discharged 0 MGD against a permitted limit of 0 MGD (MO AVG)
DMR, Monitor Only - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 10 SU (INST MAX)
DMR, Limited - Overdue
April 30, 2025
pH
0% over limit
Discharged 0 SU against a permitted limit of 5 SU (INST MIN)
DMR, Limited - Overdue
Flow rate
0% over limit
Discharged 0 MGD against a permitted limit of 0 MGD (MO AVG)
DMR, Monitor Only - Overdue
Flow
0% over limit
Discharged 0 MGD against a permitted limit of 0.025 MGD (DAILY MX)
DMR, Limited - Overdue
Flow, maximum during 24 hr period
0% over limit
Discharged 0 MGD against a permitted limit of 0.025 MGD (DAILY MX)
DMR, Limited - Overdue
Hydrocarbons, total petroleum
0% over limit
Discharged 0 mg/L against a permitted limit of 100 mg/L (INST MAX)
DMR, Limited - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 10 SU (INST MAX)
DMR, Limited - Overdue
March 31, 2025
pH
0% over limit
Discharged 0 SU against a permitted limit of 10 SU (INST MAX)
DMR, Limited - Overdue
Flow
0% over limit
Discharged 0 MGD against a permitted limit of 0.025 MGD (DAILY MX)
DMR, Limited - Overdue
Flow, maximum during 24 hr period
0% over limit
Discharged 0 MGD against a permitted limit of 0.025 MGD (DAILY MX)
DMR, Limited - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 5 SU (INST MIN)
DMR, Limited - Overdue
Hydrocarbons, total petroleum
0% over limit
Discharged 0 mg/L against a permitted limit of 100 mg/L (INST MAX)
DMR, Limited - Overdue
Flow rate
0% over limit
Discharged 0 MGD against a permitted limit of 0 MGD (MO AVG)
DMR, Monitor Only - Overdue
February 28, 2025
Hydrocarbons, total petroleum
0% over limit
Discharged 0 mg/L against a permitted limit of 100 mg/L (INST MAX)
DMR, Limited - Overdue
Flow
0% over limit
Discharged 0 MGD against a permitted limit of 0.025 MGD (DAILY MX)
DMR, Limited - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 10 SU (INST MAX)
DMR, Limited - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 5 SU (INST MIN)
DMR, Limited - Overdue
Flow rate
0% over limit
Discharged 0 MGD against a permitted limit of 0 MGD (MO AVG)
DMR, Monitor Only - Overdue
Flow, maximum during 24 hr period
0% over limit
Discharged 0 MGD against a permitted limit of 0.025 MGD (DAILY MX)
DMR, Limited - Overdue
January 31, 2025
pH
0% over limit
Discharged 0 SU against a permitted limit of 10 SU (INST MAX)
DMR, Limited - Overdue
Hydrocarbons, total petroleum
0% over limit
Discharged 0 mg/L against a permitted limit of 100 mg/L (INST MAX)
DMR, Limited - Overdue
Flow rate
0% over limit
Discharged 0 MGD against a permitted limit of 0 MGD (MO AVG)
DMR, Monitor Only - Overdue
Flow, maximum during 24 hr period
0% over limit
Discharged 0 MGD against a permitted limit of 0.025 MGD (DAILY MX)
DMR, Limited - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 5 SU (INST MIN)
DMR, Limited - Overdue
Flow
0% over limit
Discharged 0 MGD against a permitted limit of 0.025 MGD (DAILY MX)
DMR, Limited - Overdue
December 31, 2024
pH
0% over limit
Discharged 0 SU against a permitted limit of 5 SU (INST MIN)
DMR, Limited - Overdue
Flow
0% over limit
Discharged 0 MGD against a permitted limit of 0.025 MGD (DAILY MX)
DMR, Limited - Overdue
Flow, maximum during 24 hr period
0% over limit
Discharged 0 MGD against a permitted limit of 0.025 MGD (DAILY MX)
DMR, Limited - Overdue
Flow rate
0% over limit
Discharged 0 MGD against a permitted limit of 0 MGD (MO AVG)
DMR, Monitor Only - Overdue
Hydrocarbons, total petroleum
0% over limit
Discharged 0 mg/L against a permitted limit of 100 mg/L (INST MAX)
DMR, Limited - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 10 SU (INST MAX)
DMR, Limited - Overdue
November 30, 2024
pH
0% over limit
Discharged 0 SU against a permitted limit of 5 SU (INST MIN)
DMR, Limited - Overdue
Flow
0% over limit
Discharged 0 MGD against a permitted limit of 0.025 MGD (DAILY MX)
DMR, Limited - Overdue
Flow, maximum during 24 hr period
0% over limit
Discharged 0 MGD against a permitted limit of 0.025 MGD (DAILY MX)
DMR, Limited - Overdue
Flow rate
0% over limit
Discharged 0 MGD against a permitted limit of 0 MGD (MO AVG)
DMR, Monitor Only - Overdue
Hydrocarbons, total petroleum
0% over limit
Discharged 0 mg/L against a permitted limit of 100 mg/L (INST MAX)
DMR, Limited - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 10 SU (INST MAX)
DMR, Limited - Overdue
October 31, 2024
Flow rate
0% over limit
Discharged 0 MGD against a permitted limit of 0 MGD (MO AVG)
DMR, Monitor Only - Overdue
Flow
0% over limit
Discharged 0 MGD against a permitted limit of 0.025 MGD (DAILY MX)
DMR, Limited - Overdue
Hydrocarbons, total petroleum
0% over limit
Discharged 0 mg/L against a permitted limit of 100 mg/L (INST MAX)
DMR, Limited - Overdue
Flow, maximum during 24 hr period
0% over limit
Discharged 0 MGD against a permitted limit of 0.025 MGD (DAILY MX)
DMR, Limited - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 10 SU (INST MAX)
DMR, Limited - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 5 SU (INST MIN)
DMR, Limited - Overdue
September 30, 2024
Flow rate
0% over limit
Discharged 0 MGD against a permitted limit of 0 MGD (MO AVG)
DMR, Monitor Only - Overdue
Hydrocarbons, total petroleum
0% over limit
Discharged 0 mg/L against a permitted limit of 100 mg/L (INST MAX)
DMR, Limited - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 5 SU (INST MIN)
DMR, Limited - Overdue
Flow, maximum during 24 hr period
0% over limit
Discharged 0 MGD against a permitted limit of 0.025 MGD (DAILY MX)
DMR, Limited - Overdue
Flow
0% over limit
Discharged 0 MGD against a permitted limit of 0.025 MGD (DAILY MX)
DMR, Limited - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 10 SU (INST MAX)
DMR, Limited - Overdue
August 31, 2024
Flow
0% over limit
Discharged 0 MGD against a permitted limit of 0.025 MGD (DAILY MX)
DMR, Limited - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 10 SU (INST MAX)
DMR, Limited - Overdue
Hydrocarbons, total petroleum
0% over limit
Discharged 0 mg/L against a permitted limit of 100 mg/L (INST MAX)
DMR, Limited - Overdue
Flow, maximum during 24 hr period
0% over limit
Discharged 0 MGD against a permitted limit of 0.025 MGD (DAILY MX)
DMR, Limited - Overdue
Flow rate
0% over limit
Discharged 0 MGD against a permitted limit of 0 MGD (MO AVG)
DMR, Monitor Only - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 5 SU (INST MIN)
DMR, Limited - Overdue
July 31, 2024
Flow, maximum during 24 hr period
0% over limit
Discharged 0 MGD against a permitted limit of 0.025 MGD (DAILY MX)
DMR, Limited - Overdue
Hydrocarbons, total petroleum
0% over limit
Discharged 0 mg/L against a permitted limit of 100 mg/L (INST MAX)
DMR, Limited - Overdue
Flow rate
0% over limit
Discharged 0 MGD against a permitted limit of 0 MGD (MO AVG)
DMR, Monitor Only - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 10 SU (INST MAX)
DMR, Limited - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 5 SU (INST MIN)
DMR, Limited - Overdue
Flow
0% over limit
Discharged 0 MGD against a permitted limit of 0.025 MGD (DAILY MX)
DMR, Limited - Overdue
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (22 days ago)