The U.S. Environmental Protection Agency announced a proposed partial settlement with co-plaintiff Pennsylvania Department of Environmental Protection (PADEP) and the City of Harrisburg and Capital Region Water to resolve alleged Clean Water Act violations involving sewer overflows and discharges of polluted storm water to the Susquehanna River and Paxton Creek. The agreement will help protect people’s health, the two impacted waterways, and ultimately the Chesapeake Bay.

Under the proposed agreement, Capital Region Water will take major steps to improve the operation and maintenance of Harrisburg’s waste water and storm water collection systems, including construction upgrades at its waste water treatment plant. The upgrades will reduce discharges of nitrogen pollution from the plant, which is currently the largest point-source of nitrogen pollution to the Susquehanna River. Capital Region Water will conduct a comprehensive assessment of existing conditions within its combined sewer system and develop a long term control plan to curtail combined sewer overflows.

The work under the partial settlement is estimated to cost $82 million and be completed within a period of about five years. Once a long term control plan is approved by EPA, the court agreement will need to be modified, or a new one will need to be put in place to include implementation of the plan.

The settlement, filed simultaneously with the complaint in federal court in Harrisburg by the U.S. Department of Justice on behalf of EPA and PADEP, addresses problems with Harrisburg’s combined sewer system, which during rain events and dry weather, frequently discharges raw sewage, industrial waste and polluted storm water into Paxton Creek and the Susquehanna River, which are part of the Chesapeake Bay Watershed. The settlement does not impose civil penalties against the City due to Harrisburg’s current financial situation.

Keeping raw sewage and contaminated storm water out of the waters of the United States is one of EPA’s National Enforcement Initiatives. EPA is working to reduce discharges from sewer overflows by obtaining commitments from cities to implement timely, affordable solutions.