A.J. LAROCCA WASTEWATER TREATMENT FACILITY

NPDES ID: IL0027367

T — SNC: Compliance schedule reporting violation

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

Violations

August 31, 2025

Solids, total suspended

49% over limit

Discharged 44.6 mg/L against a permitted limit of 30 mg/L (MO AVG)

DMR, Limited - Numeric Violation

Solids, total suspended

42% over limit

Discharged 64 mg/L against a permitted limit of 45 mg/L (WKLY AVG)

DMR, Limited - Numeric Violation

First flagged

April 14, 2026 (4 months ago)

Last confirmed

August 15, 2026 (5 hours ago)