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°15'51.1",   Longitude 79°54'55.6"   NAD83

Roanoke City, Virginia, Hydrologic Unit 03010101

Drainage area: 390 square miles

Datum of gage: 884.4 feet above   NAVD88.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	2010-10-01	2024-10-08
Daily Data
Temperature, water, degrees Celsius	2005-04-14	2024-10-07	4260
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2005-04-14	2024-10-07	4181
pH, water, unfiltered, field, standard units	2005-04-14	2024-10-07	4022
Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)	2005-04-14	2024-10-07	4054
Peak streamflow	2020-11-12	2022-05-24	2
Field/Lab water-quality samples	2005-05-20	2024-02-27	141
Water-Year Summary	2006	2024	13
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