Rule
29 Sep 2025
epa, delaware river, indians-lands, water quality, regulation, environmental protection, intergovernmental relations, water pollution control, compliance, reporting and recordkeeping requirements, aquatic life
🌊Revised Water Quality Standards for the Delaware River Established by EPA
The U.S. Environmental Protection Agency (EPA) is finalizing revised water quality standards (WQS) largely as proposed for certain water quality management zones of the mainstem Delaware River under the Clean Water Act (CWA). Specifically, the EPA is promulgating a designated use of protection and propagation of resident and migratory aquatic life and corresponding dissolved oxygen water quality criteria for the mainstem Delaware River in Zone 3, Zone 4, and the upper portion of Zone 5 (in total, river miles 108.4 to 70.0).
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