Effective January 10, 2019, inquiries and correspondence regarding new permit applications, reporting, and compliance matters related to sites in Armstrong and Indiana Counties should be directed to DEP’s
Northwest Regional Office. Questions on permit applications under review as of January 9, 2019, and pending enforcement matters for Armstrong and Indiana Counties should be directed to DEP’s
Southwest Regional Office. Inquiries can also be directed to
Mining and Radiation Protection permits and programs are not affected by this regional office change.
Pennsylvania’s Surface Water Allocation Program Fact Sheet (PDF)
Low-Flow Statistics for Pennsylvania Streams
Flow Statistic Data for Pennsylvania Streams
Drought Information Center
Water Audits Fact Sheet (PDF)
Protect clean air, clean water, and public health and conserve working farms, forests, and natural lands.