| | Protecting What Has Been Gained in the Black River - Status and Perspectives on the Black River |
 | | Initial data indicated that impacts to biological communities were being strongly affected by discharges in Elyria and contaminated sediment in the Black River lacustuary (i.e., that portion of the river influenced by Lake Erie, approximately the lower six miles of the river), resulting in nonattainment throughout the Black River mainstem. |
 | | Monitoring in 1992 showed recovery from impacts associated with the Elyria Wastewater Treatment Plant discharge in the mainstem (Figure 2), while the East and West branches were found to be widely impacted from nonpoint pollution (sediment and nutrients) mostly originating from agricultural activities. |
 | | A site at the mouth of the lacustuary was able to reach warmwater habitat status in 1997. |
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