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Important for you to know:

  • New to WDFN: see current water conditions throughout the state using the new State Pages. Filter by continuous data type and age of data, view latest values, and link to graphing options to explore the data further. To learn more, read our announcement on the Water Data for the Nation blog.
Important Legacy real-time page

USGS Parameter Group Data Types Start Date End Date
Information Water-quality 1983-10-28 1995-07-18
Inorganics, Major, Non-metals Water-quality 1970-03-23 1973-07-26
Physical Daily Values, Unit Values, Water-quality 1963-10-01 2024-11-21
Sediment Water-quality 1967-04-27 1974-05-17
n/a Peak Measurements 1962-07-14 2023-07-12
n/a Site Visits 1963-11-15 2023-07-25
n/a USGS Annual Water Data Reports Site 2006-01-01 2023-01-01
Water Data for the Nation inventory

Monitoring location 05455010 is associated with a Stream in Johnson County, Iowa. Current conditions of Gage height are available. Water data back to 1962 are available online.

Metadata Element Location Metadata Metadata Code
Agency
U.S. Geological Survey USGS
Site identification number
05455010 n/a
Site name
South Branch Ralston Creek at Iowa City, IA n/a
Site type
Stream
ST
DMS latitude 413905.06 n/a
DMS longitude 0913027.59 n/a
Decimal latitude 41.65140556 n/a
Decimal longitude -91.5076639 n/a
Latitude-longitude method
Interpolated from Digital MAP. N
Latitude-longitude accuracy
Accurate to + or - 5 sec. F
Latitude-longitude datum
North American Datum of 1983 NAD83
Decimal Latitude-longitude datum North American Datum of 1983 NAD83
District
Iowa 19
State
Iowa 19
County
Johnson County 103
Country US n/a
Land net location description NESWNES14 T079N R06W 5 n/a
Name of location map Iowa City West n/a
Scale of location map 24000 n/a
Altitude of Gage/land surface 677.89 feet n/a
Method altitude determined GNSS2 - Level 2 Quality Survey Grade Global Navigation Satellite System X
Altitude accuracy .08 feet n/a
Altitude datum
North American Vertical Datum of 1988 NAVD88
Subbasin hydrologic unit
07080209
Drainage basin
04 n/a
Topographic setting
Stream channel
C
Flags for instruments at site YNNNYNNNNNYNNNNNNNNNNNNNNNNNNN n/a
Date of first construction
n/a
Date site established or inventoried 196310 n/a
Drainage area
2.94 square miles n/a
Contributing drainage area n/a
Time Zone abbreviation CST n/a
Site honors Daylight Saving Time
Y n/a
Data reliability
n/a
Data-other GW files NYNNNNNN 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
Project number 461900100 n/a

Operated in cooperation with:

logo for City of Coralville
City of Coralville
logo for City of Iowa City
City of Iowa City
logo for University of Iowa
University of Iowa
logo for USGS - Cooperative Matching Funds
USGS - Cooperative Matching Funds