CRYSTAL LAKE SANITARY DISTRICT

NPDES ID: WI0035114

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

Solids, total suspended

0% over limit

Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AVG)

DMR, Monitor Only - Overdue

Solids, total suspended

0% over limit

Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)

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 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 AVG)

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 (DAILY MX)

DMR, Monitor Only - Overdue

Flow, in conduit or thru treatment plant

0% over limit

Discharged 0 MGD against a permitted limit of 0 MGD (DAILY MX)

DMR, Monitor Only - Overdue

February 28, 2026

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

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 (DAILY MX)

DMR, Monitor Only - Overdue

Solids, total suspended

0% over limit

Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)

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 (DAILY MX)

DMR, Monitor Only - Overdue

October 31, 2025

Flow, in conduit or thru treatment plant

0% over limit

Discharged 0.0086 MGD against a permitted limit of 0 MGD (MO AVG)

DMR, Monitor Only - Overdue

BOD, 5-day, 20 deg. C

0% over limit

Discharged 149 mg/L against a permitted limit of 0 mg/L (DAILY MX)

DMR, Monitor Only - Overdue

Solids, total suspended

0% over limit

Discharged 107 mg/L against a permitted limit of 0 mg/L (MO AVG)

DMR, Monitor Only - Overdue

Solids, total suspended

0% over limit

Discharged 210 mg/L against a permitted limit of 0 mg/L (DAILY MX)

DMR, Monitor Only - Overdue

Flow, in conduit or thru treatment plant

0% over limit

Discharged 0.0117 MGD against a permitted limit of 0 MGD (DAILY MX)

DMR, Monitor Only - Overdue

BOD, 5-day, 20 deg. C

0% over limit

Discharged 93.2 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

August 1, 2026 (4 days ago)