Water Regulating and Discharges

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  • Snow Removal Guidelines

    These guidelines have been developed to clarify DEEP recommendations to state and municipal officials, and others regarding the removal and disposal of snow accumulations from roadways and parking lots. For purposes of this guidance snow accumulations refers to snow banks and snowpiles that are removed by front-end loader or by loading on trucks for disposal.

  • 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).

  • 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.

  • 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.

  • Industrial GP Compliance Assistance

  • 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)

  • Pretreatment Program

  • 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 Wastewater

    The Department of Energy and Environmental Protection (DEEP) regulates the discharge of industrial wastewater to the ground water, surface water, and to sewage treatment plants through permitting programs. Discharge limits and requirements for treatment, monitoring and reporting, designed to protect the waters of the state from pollution, are specified in all permits.

  • NetDMR in Connecticut

    NetDMR is a freely available Web-based tool that allows permittees to electronically sign and submit their discharge monitoring reports (DMRs) or stormwater monitoring reports (SMRs) to EPA via a secure internet connection. NetDMR is designed to improve data quality, save paper, and provide cost savings for permittees and regulators.

  • 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.

  • Regulating Water Usage and Water Discharges

    Regulating Water Usage and Water Discharges

  • Notice of Violation

    If you receive a Notice of Violation, be sure to read the Notice of Violation, make sure you understand its content, and contact the Water Permitting and Enforcement Division if you have any questions.

  • 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.