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Year 1 Subbasin Surveys

The Subbasin Survey Program consists of two-year assessments in each of the six subbasins on a rotating schedule.

Year 1 surveys consist of point-in-time water chemistry, macroinvertebrate, and habitat data collection and assessments of approximately 100 stream sites on the major tributaries and areas of interest in the selected subbasin.

Year 1 Subbasin Survey Sites

sampling sites

Water Quality Portal

Recent Year 1 Subbasin Survey Reports

Click on each subbasin name for further information on the subbasin.




West Branch



Contact: Ellyn Campbell
(717) 238-0423, srbc@srbc.net

Bermudian Creek near York Springs, PA

common shiner

common shiner

Octoraro Creek

Octoraro Creek