The Connecticut Department of Energy and Environmental Protection gave notice of a tentative decision to reissue without modification two wastewater general permits, the permit for Miscellaneous Discharges of Sewer Compatible Wastewater, and the permit for Categorical Industrial Users. Both permits are proposed to be extended to 2020. DEEP is accepting comments.

The General Permit for Miscellaneous Discharges of Sewer Compatible Wastewater applies to many common industrial and commercial wastewaters (e.g. contact and non-contact cooling water, boiler blowdown, tumbling and cleaning wastewater, water treatment wastewater, etc.) to the sanitary sewer. The Miscellaneous General Permit was first issued in 2001 and revised in 2013 and 2017. DEEP is extending the current permit until October 30, 2020. This reissued general permit does not require renewal registrations or feed for exiting registrants.

The complete list of discharges covered:

Miscellaneous sewer compatible wastewater" or "MISC wastewater" means any wastewater discharge that is NOT subject to Federal Categorical Pretreatment Standards under 40 CFR 403.6 and 40 CFR chapter I, subchapter N as amended. Domestic sewage including septage or sewage from portable sources, vehicle maintenance wastewater, and groundwater remediation wastewater are excluded from this definition. MISC wastewater includes but is not limited to air compressor condensate & blowdown, boiler blowdown, building maintenance wastewater, commercial laundry wastewater, contact cooling & heating water, cutting & grinding wastewater, fire suppression system test water, food processing wastewater, hydrostatic pressure testing wastewater, non-contact cooling water, non-destruct testing rinsewater, printing and photographic processing wastewater, tumbling & cleaning wastewater, and water treatment wastewater.

The General Permit for the Discharge of Wastewaters from Categorical Industrial Users to a Publicly Owned Treatment Works applies to electroplating and metal finishing wastewaters only.

Please contact any member of our Environmental group if you would like additional information.

Pamela K. Elkow
(203) 252-2672; pelkow@carmodylaw.com

M. Anne Peters
(203) 575-2647; apeters@carmodylaw.com

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