Funding for this site is provided by:
--01536000 LACKAWANNA RIVER AT OLD FORGE, PA
--Lat 41`21'33", long
75`44'41", Lackawanna County, Hydrologic Unit 02050107, on
right bank 100 ft downstream from bridge on SR 3017, 150 ft upstream
from Delaware, Lackawanna, and Western Railroad bridge in Old Forge,
and 0.5 mi upstream from St. Johns Creek.
--332 square miles.
PERIOD OF RECORD.
--October 1938 to current year.
--Water-stage recorder. Datum of gage is 594.61
ft above North American Vertical Datum of 1988. Prior to Oct. 1, 1974,
water-stage recorder at same site and datum. Oct. 1, 1974, to Aug. 17,
1975, non-recording gage at site 150 ft upstream at different datum.
Prior to October 2, 2023, the datum of gage was reported as 595.26 ft
above National Geodetic Vertical Datum of 1929. Satellite and landline
telemetry at station.
--Station established and maintained by
the U.S. Geological Survey. Funding for the operation of this station
is provided by the Pennsylvania Department of Environmental Protection
and the U.S. Geological Survey.
--Flow regulated since December 1959 by
Stillwater Dam (station 01534180) about 33 miles upstream and since
1970 by Aylesworth Lake (station 01534490) about 17.4 miles
GAGE HEIGHTS OF IMPORTANCE
Supplied by USGS
: Maximum recordable gage height
(stage sensor operational limit) - 20.0 ft; Data transmitter
operational limit - 21.3 ft;
Supplied by NWS
: Action stage-7 ft; Flood stage-11 ft,
some roadways near the Lackawanna River in Old Forge and Moosic begin
to be affected; Moderate flood stage-13 ft, water begins to affect some
homes and businesses on both sides of river; Major flood stage-16 ft,
many homes and businesses begin to be affected at this level.