Pennsylvania Wastewater Variances regulations & environmental compliance analysis

Pennsylvania Wastewater Variances: What you need to know

Governing Law and Regulations

Variances for National Pollutant Discharge Elimination System (NPDES) permit conditions: 25 Pennsylvania Code (Pa. Code) 92a.1 to 92a.104

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Coal refuse disposal: 25 Pa. Code 90.1 to 90.401

Regulatory Agencies

Pennsylvania Department of Environmental Protection (DEP) Office of Water Management Bureau of Watershed Management

Pennsylvania Fish and Boat Commission

U.S. Environmental Protection Agency (EPA) Region 3

See ADDRESSES & CONTACTS for addresses and telephone numbers.

See national section for basic information and federal regulations.

Comparison: State vs. Federal

Rules. Pennsylvania generally follows the federal rules for wastewater variances for NPDES permits with some additional requirements. See the national section WASTEWATER VARIANCES for additional information.

Pennsylvania has established that any new or amended federal regulation, which creates a variance to existing NPDES permitting requirements, is not incorporated by reference.

Administration and enforcement. DEP's Bureau of Watershed Management administers and enforces the state's wastewater variance regulations.

State Requirements


25 Pa. Code 90.1 to 90.401

Pennsylvania has established specific rules and procedures for those persons who engage in coal refuse disposal activities, including provisions related to siting variances near streams.

In general, the state requires that coal refuse disposal operations not occur within 100 feet (30.48 meters) of the bank of a stream. However, DEP may grant a variance if the operator demonstrates to the satisfaction of DEP that, as a result of the variance, coal refuse disposal will not adversely affect water quality and quantity or other environmental ...

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Pennsylvania Wastewater Variances Resources

Type Title
Forms WPDES Discharge Permit Ammonia Limits Variance Application
See all Wastewater Variances Resources