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Streamflow Measurements for the Nation

! Streamflow measurement pages 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 and new pages.

USGS 03269500 Mad River near Springfield OH

Clark County, Ohio
Hydrologic Unit Code 050800011805
Latitude  39°55'08", Longitude  83°52'34" NAD83
Drainage area 490.0  square miles
Contributing drainage area 490.0  square miles
Gage datum 876.09 feet above NAVD88

Period of record
Begin Date End Date Count
1959-01-13 2025-10-17 243

 
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