Water Regulating and Discharges

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• Industrial Wastewater Discharge Permit Compliance Information

  How to maintain compliance with your individual discharge permit; a summary of key information and requirements that apply to your permit.

• Industrial Waste Water Contact Information

• What To Expect From An Inspection

  The Department of Energy and Environmental Protection (DEEP) conducts inspections at permitted facilities throughout the state. Under state law inspectors have the authority to enter your facility at reasonable times to evaluate compliance with your permit and the Water Discharge Permit Regulations of the State of Connecticut.

• Notification Requirements

  Information regarding when it is necessary to contact the DEEP with permit related issues under CGS Section 22a-430.

• Subsurface Sewage Treatment and Disposal Systems - Septic Systems

  Septic systems treat and disperse wastewater from individual or small numbers of homes and commercial buildings. The type and/or size of the septic system, determines what agency has regulatory authority.

• 2007 Guidance Document for Design of Large-Scale On-Site Wastewater Renovation Systems

  The Guidance Document for Design of Large-Scale On-Site Wastewater Renovation Systems (OWRS) is intended to provide information and methodologies for the design, construction, operation and maintenance for those wastewater renovation systems which are under the Department’s regulatory authority.

• CT Stormwater Quality Manual - Errata Sheet

  Errata Sheet for 2004 Connecticut Stormwater Quality Manual

• Video Tutorial -- General Permit with modifications

  The following tutorial is an overview of the requirements of the General Permit for the Discharge of Stormwater Associated with Industrial Activity, effective October 1, 2011. The video presents general information on permit conditions, control measures, inspections, monitoring, benchmarks, impaired waters requirements, and a discussion of specific requirements for Sector G--Transportation and Public Works Facilities.

• Miscellaneous Industrial User (MIU) General Permit Notification for Vehicle Maintenance Wastewater Discharges 

  This page provides specific instructions to former registrants under the Vehicle Maintenance Wastewater general permit on how to complete the Discharge Notification Form to POTW Authority for the General Permit for Discharges from Miscellaneous Industrial Users (MIU GP).

• Agricultural Wastewater

  Agricultural wastewater generated from a variety of farm activities including animal feeding operations and the processing of agricultural products, can pollute surface and ground water if not properly managed.

• Pretreatment Compliance Assistance

  Compliance Assistance for Industrial Pretreatment Permits

• Industrial GP Compliance Assistance

• General Pretreatment Permit for Non-Significant Industrial User Discharges to Publicly Owned Treatment Works (Non-SIU GP)

• DOT MS4 GP

• Municipal Stormwater

  The General Permit for the Discharge of Stormwater from Small Municipal Separate Storm Sewer Systems (MS4 General Permit) is the product of a mandate by the U.S. Environmental Protection Agency (USEPA) as part of its Stormwater Phase II rules in 1999. This general permit requires each municipality to take steps to keep the stormwater entering its storm sewer systems clean before that stormwater enters water bodies.