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 38°54'33",   Longitude 76°57'19"   NAD83

District Of Columbia, Dist. of Columbia, Hydrologic Unit 02070010

Datum of gage: 0. feet above   NAVD88.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	2024-07-03	2025-12-25
Daily Data
Temperature, water, degrees Celsius	2024-07-04	2025-12-24	1608
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2024-07-04	2025-12-24	1608
Dissolved oxygen, water, unfiltered, milligrams per liter	2024-07-04	2025-12-24	1608
pH, water, unfiltered, field, standard units	2024-07-04	2025-12-24	1608
Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)	2024-07-04	2025-12-24	1563
Discharge, tidally filtered, cubic feet per second	2024-07-05	2025-12-22	524
Daily Statistics
Temperature, water, degrees Celsius	2024-07-04	2025-07-27	386
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2024-07-04	2025-07-27	386
Dissolved oxygen, water, unfiltered, milligrams per liter	2024-07-04	2025-07-27	386
Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)	2024-07-04	2025-07-27	372
Discharge, tidally filtered, cubic feet per second	2024-07-05	2025-07-08	369
Monthly Statistics
Temperature, water, degrees Celsius	2024-07	2025-07
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2024-07	2025-07
Dissolved oxygen, water, unfiltered, milligrams per liter	2024-07	2025-07
Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)	2024-07	2025-07
Discharge, tidally filtered, cubic feet per second	2024-07	2025-07
Annual Statistics
Temperature, water, degrees Celsius	2024	2025
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2024	2025
Dissolved oxygen, water, unfiltered, milligrams per liter	2024	2025
Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 +-2.5 degrees, formazin nephelometric units (FNU)	2024	2025
Discharge, tidally filtered, cubic feet per second	2024	2025
Field measurements	2024-07-17	2025-11-25	85
Water-Year Summary	2024	2024	1
Revisions	Loading...

OPERATION:

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

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