DEERFIELD WASTEWATER TREATMENT FACILITY
NPDES ID: WI0023744
D — SNC: Discharge monitoring report not received
The facility didn't submit its required discharge monitoring report.
This quarter: 23 reporting violations.
Violations
April 30, 2026
Solids, total suspended
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO MAX)
DMR, Monitor Only - Overdue
Phosphorus, total [as P]
0% over limit
Discharged 0 mg/L against a permitted limit of 1 mg/L (MO AVG)
DMR, Limited - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 9 SU (DAILY MX)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0 MGD against a permitted limit of 0 MGD (MO AVG)
DMR, Monitor Only - Overdue
Solids, total suspended
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0 MGD against a permitted limit of 0 MGD (MO MAX)
DMR, Monitor Only - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0 MGD against a permitted limit of 0 MGD (MO AVG)
DMR, Monitor Only - Overdue
Copper, total recoverable
0% over limit
Discharged 0 kg/d against a permitted limit of 0.0681 kg/d (DAILY MX)
DMR, Limited - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 0 mg/L against a permitted limit of 30 mg/L (WKLY AVG)
DMR, Limited - Overdue
Chloride [as Cl]
0% over limit
Discharged 0 kg/d against a permitted limit of 0 kg/d (MO MAX)
DMR, Monitor Only - Overdue
Copper, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0.033 mg/L (MO AVG)
DMR, Limited - Overdue
Phosphorus, total [as P]
0% over limit
Discharged 0 kg/d against a permitted limit of 0 kg/d (MO MAX)
DMR, Monitor Only - Overdue
Oxygen, dissolved [DO]
0% over limit
Discharged 0 mg/L against a permitted limit of 4 mg/L (DAILY MN)
DMR, Limited - Overdue
Phosphorus, total [as P]
0% over limit
Discharged 0 kg/d against a permitted limit of 0 kg/d (MO AVG)
DMR, Monitor Only - Overdue
Chloride [as Cl]
0% over limit
Discharged 0 mg/L against a permitted limit of 460 mg/L (WKLY AVG)
DMR, Limited - Overdue
Copper, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0.047 mg/L (DAILY MX)
DMR, Limited - Overdue
Copper, total recoverable
0% over limit
Discharged 0 kg/d against a permitted limit of 0.04994 kg/d (WKLY AVG)
DMR, Limited - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 0 mg/L against a permitted limit of 20 mg/L (MO AVG)
DMR, Limited - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Chloride [as Cl]
0% over limit
Discharged 0 kg/d against a permitted limit of 0 kg/d (MO AVG)
DMR, Monitor Only - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 6 SU (DAILY MN)
DMR, Limited - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO MAX)
DMR, Monitor Only - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0 MGD against a permitted limit of 0 MGD (MO MAX)
DMR, Monitor Only - Overdue
March 31, 2026
BOD, 5-day, 20 deg. C
82% over limit
Discharged 36.3333 mg/L against a permitted limit of 20 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
34% over limit
Discharged 40.3333 mg/L against a permitted limit of 30 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
16% over limit
Discharged 1.1608 mg/L against a permitted limit of 1 mg/L (MO AVG)
DMR, Limited - Numeric Violation
February 28, 2026
Phosphorus, total [as P]
0% over limit
Discharged 0 mg/L against a permitted limit of 1 mg/L (MO AVG)
DMR, Limited - Overdue
Copper, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0.047 mg/L (DAILY MX)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0 MGD against a permitted limit of 0 MGD (MO AVG)
DMR, Monitor Only - Overdue
Chloride [as Cl]
0% over limit
Discharged 0 mg/L against a permitted limit of 460 mg/L (WKLY AVG)
DMR, Limited - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Phosphorus, total [as P]
0% over limit
Discharged 0 kg/d against a permitted limit of 0 kg/d (MO AVG)
DMR, Monitor Only - Overdue
Oxygen, dissolved [DO]
0% over limit
Discharged 0 mg/L against a permitted limit of 4 mg/L (DAILY MN)
DMR, Limited - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 0 mg/L against a permitted limit of 20 mg/L (MO AVG)
DMR, Limited - Overdue
Phosphorus, total [as P]
0% over limit
Discharged 0 kg/d against a permitted limit of 0 kg/d (MO MAX)
DMR, Monitor Only - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0 MGD against a permitted limit of 0 MGD (MO MAX)
DMR, Monitor Only - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 0 mg/L against a permitted limit of 30 mg/L (WKLY AVG)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO MAX)
DMR, Monitor Only - Overdue
Chloride [as Cl]
0% over limit
Discharged 0 kg/d against a permitted limit of 0 kg/d (MO MAX)
DMR, Monitor Only - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO MAX)
DMR, Monitor Only - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 6 SU (DAILY MN)
DMR, Limited - Overdue
Chloride [as Cl]
0% over limit
Discharged 0 kg/d against a permitted limit of 0 kg/d (MO AVG)
DMR, Monitor Only - Overdue
Copper, total recoverable
0% over limit
Discharged 0 kg/d against a permitted limit of 0.0681 kg/d (DAILY MX)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0 MGD against a permitted limit of 0 MGD (MO MAX)
DMR, Monitor Only - Overdue
Solids, total suspended
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 9 SU (DAILY MX)
DMR, Limited - Overdue
Copper, total recoverable
0% over limit
Discharged 0 kg/d against a permitted limit of 0.04994 kg/d (WKLY AVG)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0 MGD against a permitted limit of 0 MGD (MO AVG)
DMR, Monitor Only - Overdue
Copper, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0.033 mg/L (MO AVG)
DMR, Limited - Overdue
June 30, 2025
Phosphorus, total [as P]
0% over limit
Discharged 0 kg/d against a permitted limit of 0 kg/d (MO AVG)
DMR, Monitor Only - Overdue
Phosphorus, total [as P]
0% over limit
Discharged 0 kg/d against a permitted limit of 0 kg/d (MO MAX)
DMR, Monitor Only - Overdue
December 31, 2024
BOD, 5-day, 20 deg. C
2% over limit
Discharged 20.3333 mg/L against a permitted limit of 20 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
80% over limit
Discharged 1.8042 mg/L against a permitted limit of 1 mg/L (MO AVG)
DMR, Limited - Numeric Violation
October 31, 2024
Chloride [as Cl]
7% over limit
Discharged 490 mg/L against a permitted limit of 460 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (24 days ago)