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 40°14'24.8",   Longitude 79°48'24.1"   NAD83

Allegheny County, Pennsylvania, Hydrologic Unit 05020006

Drainage area: 1,715 square miles

Datum of gage: 732.76 feet above   NAVD88.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	1990-10-01	2025-01-29
Daily Data
Temperature, water, degrees Celsius	2005-06-02	2025-01-28	18322
Discharge, cubic feet per second	1920-10-01	2025-01-28	36311
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2005-06-02	2025-01-28	17598
Dissolved oxygen, water, unfiltered, milligrams per liter	2005-06-07	2024-10-31	8898
pH, water, unfiltered, field, standard units	2005-06-02	2025-01-28	17871
Daily Statistics
Temperature, water, degrees Celsius	2005-06-02	2024-11-25	6041
Discharge, cubic feet per second	1920-10-01	2024-06-02	36071
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2005-06-02	2024-11-24	5802
Dissolved oxygen, water, unfiltered, milligrams per liter	2005-06-07	2024-10-31	2966
Monthly Statistics
Temperature, water, degrees Celsius	2005-06	2024-11
Discharge, cubic feet per second	1920-10	2024-06
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2005-06	2024-11
Dissolved oxygen, water, unfiltered, milligrams per liter	2005-06	2024-10
Annual Statistics
Temperature, water, degrees Celsius	2005	2025
Discharge, cubic feet per second	1921	2024
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2005	2025
Dissolved oxygen, water, unfiltered, milligrams per liter	2005	2025
Peak streamflow	1921-03-03	2023-03-24	103
Field measurements	1915-06-09	2024-11-26	799
Field/Lab water-quality samples	1959-10-03	2023-09-07	465
Water-Year Summary	2006	2024	19
Revisions	Loading...

OPERATION:

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

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