Water resources data for the 2003 water year for Pennsylvania consist of records of discharge and water quality of
streams; contents and elevations of lakes and reservoirs; and water levels and water quality of ground-water wells.
This report, Volume 2 contains (1) discharge records for 84 continuous-record streamflow-gaging stations, 13 partial-
record stations, 21 special study and miscellaneous streamflow sites; (2) elevation, contents, and water-quality
records for 12 lakes and reservoirs; (3) water-quality records for 30 gaging stations and 66 ungaged streamsites; (4)
water-level records for 39 network observation wells; and (5) water-quality analyses at 35 special study ground-water
wells. Site locations are shown in figures throughout the report. Additional water data collected at various sites
not involved in the systematic data-collection program are also presented. These data together with the data in Volumes
1 and 3, represent that part of the National Water Data System operated by the U.S. Geological Survey and
cooperating State, local, and Federal agencies in Pennsylvania.