Water Regulating and Discharges

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• Industrial Waste Water Contact Information

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

• General Pretreatment Permit for Significant Industrial User, Dewatering, and Remediation Discharges (SIU GP)

• 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).

• Pretreatment Compliance Assistance

  Compliance Assistance for Industrial Pretreatment Permits

• UIC Compliance Assistance

• Sample Collection and Documentation

  If you are required to submit DMRs to comply with an Individual NPDES or Pretreatment permit, you are eligible to file electronically.

• Industrial GP Compliance Assistance

• 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

• Construction Stormwater General Permit

  The General Permit for the Discharge of Stormwater and Dewatering Wastewaters from Construction Activities ("Construction Stormwater General Permit") requires developers and builders to implement a Stormwater Pollution Control Plan to prevent the movement of sediments off construction sites into nearby water bodies and to address the impacts of stormwater discharges from a project after construction is complete.

• Pretreatment Program

• Commercial Stormwater

  The Stormwater Associated with Commercial Activity General Permit, found only in Connecticut, requires operators of large paved commercial sites such as malls, movie theaters, and supermarkets to undertake actions such as parking lot sweeping and catch basin cleaning to keep stormwater clean before it reaches water bodies.

• Charitable Car Wash Guidance

  This guidance was developed for landowners, industrial, commercial and residential property managers; charities, religious, civic and fraternal groups and organizations, public and private schools and educational institutions, municipal officials, and other interested parties regarding fund raising vehicle wash events and effective water pollution control.