Recommendations
The fishway at Russell Millpond should be redesigned and replaced to restore herring access (both upstream and downstream) to the pond (Reback et al. 2004).
The bank of Eel River along Plymouth Harbor Beach could be stabilized with native plants to reduce the erosion of sand that degrades the spawning riffles along this stretch (Chase in preparation).
Future benthic macroinvertebrate community assessments should include the use of an appropriate reference station, a more standardized subsampling method, and RBP III multimetric analysis to better evaluate the status of the Aquatic Life Use.
Continue to perform fisheries assessments to monitor the bridle shiner population and document any changes to the fish community.
Continue to review and evaluate the information developed as part of Plymouth’s Groundwater Discharge Permit SE0-677 as well as the watershed monitoring plan and the nutrient management plan.
The SMAST study of Plymouth Harbor should be reviewed when completed for any insight on nutrient loading to the Eel River, Plymouth Harbor, and Ellisville Harbor. This study is currently underway, but a due date for the Technical Report submission has not been assigned.
Evaluate changes associated with the restoration of abandoned cranberry bogs back to stream habitat.
Unnamed Tributary to Eel River (Segment MA94-35)
L
ocation: Outlet cranberry bog south of Valley Road, Plymouth through Forge Pond to confluence with Eel River, Plymouth.
Segment Length: 2.4 miles
Classification: Class B
Land-use estimates (top 3, excluding water) for the 7.5 mi2 subwatershed (map inset, gray shaded area):
Forest 79%
Open Land 12%
Agriculture 4%
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