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 36°51'44.99",   Longitude 76°23'03.29"   NAD83

Portsmouth City, Virginia, Hydrologic Unit 02080208

Datum of gage: 3.2 feet above   NAVD88.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	2016-03-04	2025-12-24
Daily Data
Temperature, water, degrees Celsius	2016-03-04	2025-12-23	3486
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2016-03-04	2021-08-04	1944
Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)	2016-03-11	2021-08-04	1639
Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)	2024-08-07	2025-12-23	1498
Daily Statistics
Temperature, water, degrees Celsius	2016-03-04	2025-08-07	3351
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2016-03-04	2021-08-04	1944
Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)	2016-03-11	2021-08-04	1639
Monthly Statistics
Temperature, water, degrees Celsius	2016-03	2025-08
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2016-03	2021-08
Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)	2016-03	2021-08
Annual Statistics
Temperature, water, degrees Celsius	2016	2025
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2016	2021
Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)	2016	2021
Peak streamflow	2016-06-17	2024-01-09	9
Field measurements	2016-04-12	2025-09-16	81
Field/Lab water-quality samples (Legacy QW is frozen as of March 2024, newer data may be found on MLP)	2015-10-27	2024-02-28	313
Water-Year Summary	2016	2024	9
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