Description: Lake Erie Assessment Units – for 3 nearshore areas of the lake: western (Ohio/Michigan state line to eastern terminus of Sandusky Bay opening to Lake Erie), central (eastern terminus of Sandusky Bay opening to Lake Erie to Ohio/Pennsylvania state line), and Lake Erie islands (including South Bass Island, Middle Bass Island, North Bass Island, Kelleys Island, West Sister Island and other small islands). Data from individual sampling locations in an assessment unit are accumulated and analyzed.
Service Item Id: 164150c03d6e497691445e25e2d53d5d
Copyright Text: Ohio EPA Division of Surface Waters
Description: Large River Assessment Units (LRAUs) – 38 segments in the 23 rivers that drain more than 500 square miles; the length of each river included is from the mouth of each river upstream to the point where the drainage area reaches approximately 500 square miles. Data from individual sampling locations in an assessment unit are accumulated and analyzed.
Service Item Id: 164150c03d6e497691445e25e2d53d5d
Copyright Text: Ohio EPA Division of Surface Waters
Description: Watershed Assessment Units are comprised of 1,538 watersheds that align with the 12-digit hydrologic unit code (HUC) system. The first two digits of Ohio numbers are either 04 (draining to Lake Erie) or 05 (draining to the Ohio River). Data from individual sampling locations in an assessment unit are accumulated and analyzed.
Service Item Id: 164150c03d6e497691445e25e2d53d5d
Copyright Text: Ohio EPA Division of Surface Waters
Description: Watershed Assessment Units are comprised of 1,538 watersheds that align with the 12-digit hydrologic unit code (HUC) system. The first two digits of Ohio numbers are either 04 (draining to Lake Erie) or 05 (draining to the Ohio River). Data from individual sampling locations in an assessment unit are accumulated and analyzed.
Service Item Id: 164150c03d6e497691445e25e2d53d5d
Copyright Text: Ohio EPA Division of Surface Waters