Combined Sewer System

DELCORA CSO LTCP

The Delaware County Regional Water Quality Control Authority (DELCORA) entered into a Consent Decree (CD) with the United States Government to establish a schedule for implementation of Long Term Control Plan Update (LTCPU) to achieve full compliance with the Clean Water Act and the regulations and Clean Streams Law and regulations. The lodging of this Consent Decree was entered by the court on August 17, 2015 in Civil Action Case 2:15-cv-04652-RB Document 4 by the United States District Court for the Delaware County Regional Water Quality Control Authority. The Consent Decree was signed and filed on November 10, 2015 by the United States District Court for the Eastern District of Pennsylvania.

Development of Long Term Control Plan

The Long Term Control Plan (LTCP) consists of three major steps, which include system characterization, development and evaluation of alternatives, and the selection and implementation of the controls. This approach will recognize the site-specific nature of CSOs and their impacts on receiving water bodies in order to identify and select CSO controls that are technically feasible, meet the United States Environmental Protection Agency’s (USEPA’s) affordability criteria, and are consistent with the CSO Control Policy. Each step of the LTCP development process has an objective. The main objective of the system characterization is to develop a detailed understanding of the current conditions of the combined sewer system and the receiving waters. This will assist in establishing the baseline conditions and priorities in identifying specific CSO controls. The development and evaluation of alternatives for CSO control will consider a reasonable range of alternatives and varying levels of controls and will consider a variety of factors including cost effectiveness and public input. The selection and implement of the CSO controls will include the selection, adopting, and implementation of the controls as identified and outlined in the long term control planning process. Throughout each of the steps of the LTCP process, public participation will be actively solicited.

 

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