<a href="https://www.usgs.gov/centers/alaska-science-center/science/usgs-alaska-streamgage-datum-north-american-vertical-datum">USGS Alaska Streamgage Datum to North American Vertical Datum of 1988 Conversion Table</a>

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3 data types available - data from 2016-10-26 to 2026-07-24

Daily data

2 data types available - data from 2016-10-26 to 2026-07-22

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3 data types available - data from 2023-09-27 to 2026-07-23

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Metadata Element	Location Metadata	Metadata Code
Agency	U.S. Geological Survey	USGS
Location identification number	15086225	n/a
Location name	HATCHERY C AT FOREST SVC RD 23 NR COFFMAN COVE AK	n/a
Site type	Stream	ST
Decimal latitude (WGS84)	55.90861111111111	n/a
Decimal longitude (WGS84)	-132.9308333333333	n/a
Latitude-longitude method	Global positioning system (GPS), Standard Positioning Service (SPS) or Precise Positioning Service (PPS)	G
Latitude-longitude accuracy	Accurate to + or - 1 sec.	S
District	Alaska	02
State	Alaska	02
County	Prince of Wales-Hyder Census Area	198
Country	United States of America	n/a
Altitude of gage/land surface	155.2 feet	n/a
Method altitude determined	GNSS2 - Level 2 Quality Survey Grade Global Navigation Satellite System	X
Altitude accuracy	0.1 feet	n/a
Altitude datum	North American Vertical Datum of 1988	NAVD88
Subbasin hydrologic unit	Prince of Wales	19010103
Drainage basin		n/a
Date of first construction		n/a
Drainage area	39 square miles	n/a
Contributing drainage area		n/a
Time zone abbreviation	AKST	n/a
Site honors Daylight Saving Time	Y	n/a
National aquifer		n/a
Local aquifer		n/a
Local aquifer type		n/a
Well depth		n/a
Hole depth		n/a
Source of depth data		n/a

Monitoring location Hatchery C at Forest Svc RD 23 NR Coffman Cove AK - USGS-15086225