USGS 12176500 DIABLO RESERVOIR NEAR NEWHALEM, WA
Location.--Latitude 48°42'56", Longitude
121°09'02", in SE 1/4 Section 5, Township 37 North, Range 13
East (unsurveyed), in Whatcom County, Hydrologic Unit 17110005, Ross
Lake National Recreation Area, at Diablo Dam on Skagit River, 1.2 miles
downstream from Thunder Creek, 6.0 miles northeast of Newhalem, and at
mile 101.0. Drainage
area is 1,125 mi2, includes 400 mi2 in
Canada. Datum of
gage is City of Seattle datum.
this station on a
map of the basin (PDF).
Additional Data and Information.-- Tour information.
Funding for this site is provided by the
cooperators / programs below:
Normal lake elevation varies
from 1,195 feet and 1,205 feet (top of taintor gates), with dead
storage below 1,040 feet and crest of the spillway at 1,187
elevation of this station has been determined to be 6.37 feet above
NAVD 1988. To obtain stream water-surface elevation values in NAVD
1988, add 6.37 feet to gage height values.
This station managed by the Northwest Washington Field Office (Ferndale).
Summary of all available data for this site
Instantaneous-data availability statement
Most recent instantaneous value: 1201.83 06-04-2023 09:00 PDT