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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 Inventory Page

USGS Parameter Group Data Types Start Date End Date
Information Water-quality 1972-11-02 1989-09-11
Inorganics, Major, Metals Water-quality 1954-12-08 1989-09-11
Inorganics, Major, Non-metals Water-quality 1954-12-08 1989-09-11
Inorganics, Minor, metals Water-quality 1954-12-08 1989-09-11
Nutrient Water-quality 1954-12-08 1989-09-11
Organics, PCBs Water-quality 1989-09-11 1989-09-11
Organics, other Water-quality 1988-12-20 1989-09-11
Organics, pesticide Water-quality 1989-09-11 1989-09-11
Physical Daily Values, Water-quality 1948-08-01 1989-09-11
n/a Peak Measurements 1949-05-15 1979-10-01
n/a Site Visits 1948-09-07 1990-06-27
Water Data for the Nation inventory

Monitoring location 01587500 is associated with a Stream in Carroll County, Maryland. Water data back to 1948 are available online.

Metadata Element Location Metadata Metadata Code
Agency
U.S. Geological Survey USGS
Site identification number
01587500 n/a
Site name
SOUTH BRANCH PATAPSCO RIVER AT HENRYTON, MD n/a
Site type
Stream
ST
DMS latitude 392105 n/a
DMS longitude 0765450 n/a
Decimal latitude 39.35149355 n/a
Decimal longitude -76.9135883 n/a
Latitude-longitude method
Interpolated from MAP. M
Latitude-longitude accuracy
Accurate to + or - 1 sec. S
Latitude-longitude datum
North American Datum of 1927 NAD27
Decimal Latitude-longitude datum North American Datum of 1983 NAD83
District
Maryland 24
State
Maryland 24
County
Carroll County 013
Country US n/a
Land net location description n/a
Name of location map n/a
Scale of location map n/a
Altitude of Gage/land surface 289.15 feet n/a
Method altitude determined Level or other surveyed method. L
Altitude accuracy .01 feet n/a
Altitude datum
National Geodetic Vertical Datum of 1929 NGVD29
Subbasin hydrologic unit
Gunpowder-Patapsco 02060003
Drainage basin
n/a
Topographic setting
n/a
Flags for instruments at site YYNNNNYNNNYNNNNNNNNNNNNNNNNNNN n/a
Date of first construction
n/a
Date site established or inventoried n/a
Drainage area
64.40 square miles n/a
Contributing drainage area n/a
Time Zone abbreviation EST 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