ET-3A1 (2/1/05 version) Environmental Targets And Priorities Overview: Key NPS Causes Of Surface Water Quality Nonattainment
2004 Integrated Report Statistics, Watershed Assessment Units (WAUs) |
| Total Number Ohio WAUs: |
331 |
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Number WAUs Monitored (1993-2002): |
249 |
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Number WAUs Impaired: |
242 |
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Number Ohio WAUs Unassessed: |
75 |
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Details for each individual assessed WAU are available in the 2004 Integrated Water Quality Monitoring and Assessment Report
88% (198 out of 225) of WAUs assessed for aquatic life use attainment have at least one stream/river impaired by at least one NPS-related cause. Specifics are summarized in Table 2 and associated hyperlinks.
2004 Integrated Report Statistics, Large River Assessment Units (LRAUs) |
| Total Number Ohio LRAUs: |
23 |
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| Number LRAUs Monitored (1993-2002): |
22 |
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| Number LRAUs Impaired: |
20 |
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| Number Ohio LRAUs Unassessed: |
1 |
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Details for each individual assessed LRAU are available in the 2004 Integrated Water Quality Monitoring and Assessment Report.
62% (13 out of 21) LRAUs assessed for aquatic life use attainment are impaired by at least one NPS-related cause. Specifics are summarized in Table 4 and associated hyperlinks.
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