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Water-Year Summary for Site 01453000
Over the next year, the USGS Pennsylvania Water Science Center will be updating the geodetic vertical elevation (gage datum) for many locations. Click HERE for additional information including a current list of streamgages with upcoming datum changes. This update in gage datum does not affect the location of the streamgage, nor the observed local gage height or discharge recorded at the streamgage.
Water-stage recorder and crest-stage gage. Datum of gage is 210.26 ft above North American Vertical Datum of 1988. Prior to October 1928, non-recording gage at New Street bridge 120 ft downstream at same datum. (Drainage area of 1,229 mi² does not include Monocacy Creek.) Oct. 1, 1928, to Sept. 30, 1962, water-stage recorder at site 4,250 ft downstream at datum 2.49 ft lower. Oct. 1, 1963, to Dec. 14, 1975, water-stage recorder at site 40 ft downstream at same datum. Prior to August 2, 2023, the datum was reported as 210.94 ft above NGVD 29. Satellite and landline telemetry at station.