Skip to main content

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
Physical Daily Values, Unit Values 1920-01-01 2024-11-21
n/a Peak Measurements 1915-01-01 2023-08-15
n/a Site Visits 1921-09-12 2024-09-16
n/a USGS Annual Water Data Reports Site 2006-01-01 2023-01-01
Water Data for the Nation inventory

Monitoring location 07021000 is associated with a Stream in Bollinger County, Missouri. Current conditions of Discharge and Gage height are available. Water data back to 1915 are available online.

Metadata Element Location Metadata Metadata Code
Agency
U.S. Geological Survey USGS
Site identification number
07021000 n/a
Site name
Castor River at Zalma, MO n/a
Site type
Stream
ST
DMS latitude 370847.9 n/a
DMS longitude 0900431.8 n/a
Decimal latitude 37.14663889 n/a
Decimal longitude -90.0755 n/a
Latitude-longitude method
Interpolated from Digital MAP. N
Latitude-longitude accuracy
Accurate to + or - .5 sec (PLGR/PPS GPS). 5
Latitude-longitude datum
North American Datum of 1983 NAD83
Decimal Latitude-longitude datum North American Datum of 1983 NAD83
District
Missouri 29
State
Missouri 29
County
Bollinger County 017
Country US n/a
Land net location description SES29 T29N R09E 5 n/a
Name of location map ZALMA n/a
Scale of location map 24000 n/a
Altitude of Gage/land surface 350.49 feet n/a
Method altitude determined GNSS1 - Level 1 Quality Survey Grade Global Navigation Satellite System W
Altitude accuracy .10 feet n/a
Altitude datum
North American Vertical Datum of 1988 NAVD88
Subbasin hydrologic unit
07140107
Drainage basin
n/a
Topographic setting
n/a
Flags for instruments at site NNNNYNNNNNNNNNNNNNNNNNNNNNNNNN n/a
Date of first construction
n/a
Date site established or inventoried n/a
Drainage area
423 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 NNNNNNNN 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 n/a

Operated in cooperation with:

logo for Missouri Department of Natural Resources - Water Resources Center
Missouri Department of Natural Resources - Water Resources Center