ROLLIN-WOODSTOCK WWTP

NPDES ID: MI0027669

T — SNC: Compliance schedule reporting violation

The facility was more than 30 days late reporting progress on its compliance schedule.

This quarter: 9 permit schedule violations.

Violations

January 31, 2026

Toxicity, choice of species

13% over limit

Discharged 1.35 toxic against a permitted limit of 1.2 toxic (MO MAX)

DMR, Limited - Numeric Violation

October 29, 2025

Arsenic, dry weight

0% over limit

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

DMR, Monitor Only - Overdue

Potassium, sludge, total, dry weight [as K]

0% over limit

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

DMR, Monitor Only - Overdue

Potassium, sludge, total, dry weight [as K]

0% over limit

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

DMR, Monitor Only - Overdue

Selenium, dry weight

0% over limit

Discharged 0 mg/L against a permitted limit of 100 mg/L (MO MAX)

DMR, Limited - Overdue

Copper, dry weight

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 (5 months ago)

Last confirmed

September 15, 2026 (5 days ago)