Black River facts
Native American name:
Drainage area: 467 square miles, mostly in Lorain County but also including parts of Medina, Cuyahoga, Huron and Ashland counties.
Length: 111 miles, including East and West branches.
Largest tributaries: French, Wellington, Charlemont and Buck creeks.
Land uses in the watershed: 51 percent cropland, 38 percent rural non-cropland, seven percent residential, three percent commercial, one percent industrial.
Major permitted industrial dischargers: Only one, USS/Kobe Steel in Lorain (there are 24 smaller industrial dischargers and many others which discharge to wastewater treatment plants).
Major permitted municipal dischargers (wastewater treatment plants): Lorain (2 plants), Elyria, French Creek (owned by North Ridgeville), Oberlin.
Number of public water supply reservoirs in watershed: 10, the most in Ohio.
Number of dairy farms in watershed: 200, the most in Ohio.
Agricultural soil lost in basin: 4.7 tons/acre/year.
Highest priority inactive hazardous waste dump: Ford Road Industrial Landfill along the banks of the river in Elyria.
Percent of home septic systems in basin estimated to be substandard or malfunctioning: 75 percent.