USGS Home
Contact USGS
Search USGS

National Water Information System: Web Interface

USGS Water Resources   

Data Category:
Home Current Conditions Site Information Mapper Surface Water Groundwater Water Quality Water Use Revisions Geographic Area:
United States Alabama Alaska American Samoa Arizona Arkansas British Columbia California Canton and Enderbury Islands Colorado Connecticut Delaware Dist. of Columbia Florida Georgia Guam Hawaii Idaho Illinois Indiana Iowa Johnston Atoll Kansas Kentucky Louisiana Maine Maryland Massachusetts Michigan Midway Islands Minnesota Mississippi Missouri Montana Nebraska Nevada New Hampshire New Jersey New Mexico New York North Carolina North Dakota Northern Mariana Islands Ohio Oklahoma Oregon Pennsylvania Puerto Rico Rhode Island Ryukyu Islands, Southern South Carolina South Dakota Swan Islands Tennessee Texas Trust Territories, Pacific Is U.S.Misc Caribbean Islands U.S.Misc Pacific Islands Utah Vermont Virgin Islands Virginia Wake Island Washington West Virginia Wisconsin Wyoming

Page Loading - Please Wait...

DESCRIPTION:

Latitude 37°16'41",   Longitude 80°06'19"   NAD27

Roanoke County, Virginia, Hydrologic Unit 03010101

Drainage area: 296 square miles

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	2020-10-14	2024-05-02
Daily Data
Temperature, water, degrees Celsius	2020-10-14	2024-05-02	3851
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2020-10-14	2024-05-02	3765
Dissolved oxygen, water, unfiltered, milligrams per liter	2020-10-14	2024-05-02	3775
pH, water, unfiltered, field, standard units	2020-10-14	2024-05-02	3816
Dissolved organic matter fluorescence (fDOM), water, in situ, concentration estimated from reference material, micrograms per liter as quinine sulfate equivalents (QSE)	2021-05-03	2024-05-02	3171
Field measurements	1941-10-23	1969-10-22	3
Field/Lab water-quality samples	2020-11-02	2023-03-01	6
Water-Year Summary	2021	2022	2
Revisions	Loading...

OPERATION:

Record for this site is maintained by the USGS Virginia Water Science Center

Email questions about this site to Virginia Water Science Center Water-Data Inquiries