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...

This page will be decommissioned in early 2026. Please find the modernized pages in WDFN that suit you best. Learn more about our modernization plans and timeline.

DESCRIPTION:

Latitude 41°02'12",   Longitude 80°32'11"   NAD27

Mahoning County, Ohio, Hydrologic Unit 05030103

Drainage area: 1,073 square miles

Contributing drainage area: 1,073 square miles,

Datum of gage: 796.57 feet above   NAVD88.

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	1999-04-01	2026-01-22
Daily Data
Temperature, water, degrees Celsius	1953-10-01	2026-01-21	24617
Discharge, cubic feet per second	1943-07-01	2026-01-20	22239
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	1963-10-02	2026-01-21	16718
Dissolved oxygen, water, unfiltered, milligrams per liter	2019-05-24	2026-01-21	6823
Daily Statistics
Temperature, water, degrees Celsius	2010-10-07	2024-12-09	5176
Discharge, cubic feet per second	1943-07-01	2024-12-09	21832
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2012-06-13	2024-12-09	4544
Dissolved oxygen, water, unfiltered, milligrams per liter	2019-05-24	2024-12-09	1928
Monthly Statistics
Temperature, water, degrees Celsius	2010-10	2024-12
Discharge, cubic feet per second	1943-07	2024-12
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2012-06	2024-12
Dissolved oxygen, water, unfiltered, milligrams per liter	2019-05	2024-12
Annual Statistics
Temperature, water, degrees Celsius	2011	2025
Discharge, cubic feet per second	1943	2025
Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius	2012	2025
Dissolved oxygen, water, unfiltered, milligrams per liter	2019	2025
Peak streamflow	1944-04-13	2024-04-03	61
Field measurements	1991-01-02	2025-11-18	106
Field/Lab water-quality samples (Legacy QW is frozen as of March 2024, newer data may be found on MLP)	1959-10-01	2000-10-08	208
Water-Year Summary	2011	2024	14
Revisions	Loading...

OPERATION:

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

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