The Black River AOC

There atomic number 18 many ways that water tail end sound contaminated; storm water runoff, domestic discharges from pestiferous systems and sewage treatment plants, industrial waste discharges, accidental spills, etc. It is virtually impossible to keep our waters 100% clean. thus far there are some waters that have become so contaminated that they are not able to brook healthy aquatic life; one river even caught on fire! These highly contaminated water areas are considered Areas of use up or AOC’s. AOC’s in Ohio include the Maumee River, Cuyahoga River, Ashtabula River and the melanise River.
The caustic River has two main commencementes which run through Lorain, Ashland, Medina, Cuyahoga, and Huron counties. The east branch drains 222 square miles of land and is located mostly in Medina and southeast Lorain Counties. The west branch drains 174 square miles of land and is located primarily in southwest Lorain County.(Ohio EPA, 1996) These two branches join in Elyria forming the mainstream, which flows trade union until it empties into Lorain Harbor in Lake Erie. The yearly precipitation average is more or less 34.5 inches which is evenly spread throughout the year (Ohio EPA, 1996).



The average temperature is 50o F, reservation the black river a designated Warm-water habitat, meaning that the river is capable of supporting and maintaining a balanced, adaptive community of warm-water organisms (NOACA, 2009). There are two sections of the river that are designated as State Resource waters. One section is in the west branch of the river and the other is Wellington Creek which is in Findley State park.
Originally, only a small section of the Black river was rendered an area of concern. However, as it has become more polluted, that changed. Of the four AOC’s in Ohio, the Black River is now the only river to have its intact watershed highly contaminated (EPA, 2008). A 1980 sediment rise revealed elevated levels of cadmium, copper, lead, zinc, cyanide, phenols, PAH’s, oils, grease, and...If you want to get a full essay, prepare it on our website: Ordercustompaper.com



If you want to get a full essay, wisit our page: write my paper