General Pretreatment Permit for Non-SIU User -11/12/25

Notice of General Permit Reissuance for the General Pretreatment Permit for Non-Significant Industrial User Discharges to Publicly Owned Treatment Works

Permit No. CTPNONSIU

The Department of Energy and Environmental Protection (“DEEP”) hereby gives notice of the reissuance of the General Pretreatment Permit for Non-Significant Industrial User Discharges to Publicly Owned Treatment Works (“Non-SIU GP”) on October 29, 2025, becoming effective on December 1, 2025, and expiring on October 28, 2030.

The general permit, fact sheet, and response to comments are available on the DEEP website at General Pretreatment Permit for Non-Significant Industrial User Discharges.

DEEP has launched new webpages designed to help the regulated community navigate industrial pretreatment permitting requirements and maintain compliance.

Information can be found on the DEEP website: Pretreatment Program

Questions regarding the Non-SIU GP may be directed to the Water Permitting & Enforcement Division Pretreatment Program at DEEP.Pretreatment@ct.gov.

/s/Audra Dickson
Director
Water Permitting and Enforcement Division
Bureau of Materials Management and Compliance Assurance

Published in the Hartford Courant, Waterbury- Republican American, New London Day, Connecticut Post, New Haven Register and The Chronicle on November 12, 2025