Wastewater is water that contains pollutants or has been changed physically such as acquiring thermal energy or a more concentrated mineral level through evaporation, making it no longer suitable for re-use. Wastewater, depending on its characteristics, can either be discharged to the ground, surface water, sanitary sewer or, if more highly polluted, sent for off-site treatment as regulated waste. Virtually all wastewater discharges require a discharge permit issued by the Connecticut Department of Energy & Environmental Protection. In some cases, local approval is also required. Please contact Environmental Health and Safety for assistance in coordinating these approvals.
Contact Us
In Person:
135 College Street, Suite 100
New Haven, CT 06510
Directions via Google Maps
By Phone:
Main Line: 203-785-3550
Waste Line: 203-432-6545
Emergency Line: 203-785-3555
Fax: 203-785-7588
Staff Directory
Find Your Safety Advisor
By E-mail:
Ask EHS Form
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Launch EHS Integrator
Visit EHS Integrator, the online portal for managing research, clinical, and non-research compliance and operations.
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Waste Pickup/Supply Request
Request a waste pickup for biological, chemical, radioactive or universal waste or request waste supplies.
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Find Your Safety Advisor
Find your Safety Advisor, health and safety specialists assigned to a geographic area within the Yale community to assist in finding solutions to health and safety issue.
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Safety Data Sheets (SDS)
Find detailed information prepared by the manufacturer or importer of hazardous chemicals.
