PAULDING WWTP
NPDES ID: OH0020338
S — SNC: Compliance schedule violation
The facility missed a deadline in its compliance schedule by more than 90 days.
This quarter: 1 effluent violation.
Violations
May 31, 2026
pH
0% over limit
Discharged 6.49 SU against a permitted limit of 6.5 SU (DAILY MN)
DMR, Limited - Numeric Violation
March 31, 2026
Mercury, total low level
135% over limit
Discharged 0.000008 mg/L against a permitted limit of 0.0000034 mg/L (MO AVG)
DMR, Limited - Numeric Violation
January 31, 2026
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 0 mg/L against a permitted limit of 25 mg/L (MO AVG)
DMR, Limited - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 0 mg/L against a permitted limit of 40 mg/L (WKLY MAX)
DMR, Limited - Overdue
December 31, 2025
Hardness, total [as CaCO3]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Hardness, total [as CaCO3]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Mercury, total low level
747% over limit
Discharged 0.0000288 mg/L against a permitted limit of 0.0000034 mg/L (MO AVG)
DMR, Limited - Numeric Violation
September 30, 2025
BOD, carbonaceous [5 day, 20 C]
46% over limit
Discharged 36.6 mg/L against a permitted limit of 25 mg/L (MO AVG)
DMR, Limited - Numeric Violation
August 31, 2025
pH
0% over limit
Discharged 9.18 SU against a permitted limit of 9 SU (DAILY MX)
DMR, Limited - Numeric Violation
July 31, 2025
pH
0% over limit
Discharged 9.11 SU against a permitted limit of 9 SU (DAILY MX)
DMR, Limited - Numeric Violation
June 30, 2025
Lead, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Lead, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
August 31, 2024
Copper, total [as Cu]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Zinc, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Zinc, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Copper, total [as Cu]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (23 days ago)