Available data

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2 data types available - data from 1990-10-01 to 2026-08-03

2 data types available - data from 1939-04-09 to 2026-08-01

2 data types available - data from 1941-10-25 to 2026-07-22

178 Observed properties (data types) available - with data from 1945-02-27 to 2012-07-26

890 Sampling activities

2 data types available - data from 1939-04-09 to 2026-08-01

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Metadata Element	Location Metadata	Metadata Code
Agency	U.S. Geological Survey	USGS
Location identification number	06607200	n/a
Location name	Maple River at Mapleton, IA	n/a
Site type	Stream	ST
Decimal latitude (WGS84)	42.1567777777778	n/a
Decimal longitude (WGS84)	-95.8102777777778	n/a
Latitude-longitude method	Interpolated from digital map	N
Latitude-longitude accuracy	Accurate to + or - 5 sec.	F
District	Iowa	19
State	Iowa	19
County	Monona County	133
Country	United States of America	n/a
Altitude of gage/land surface	1081.31 feet	n/a
Method altitude determined	Level or other surveyed method.	L
Altitude accuracy	0.02 feet	n/a
Altitude datum	North American Vertical Datum of 1988	NAVD88
Subbasin hydrologic unit	Maple	10230005
Drainage basin		n/a
Date of first construction		n/a
Drainage area	669 square miles	n/a
Contributing drainage area		n/a
Time zone abbreviation	CST	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