5.5 Operations and Maintenance

Activities detailed in this implementation plan will require both ongoing and new operations and maintenance activities in this subwatershed.  Construction of a wetland treatment pond will require ongoing inspections, maintenance, and sediment removal.  Restoration of wetlands will require ongoing inspection and vegetation maintenance.

Table 10.  Ongoing District operations and maintenance tasks in the Langdon Lake subwatershed.

Task Spring Summer Fall
Inspect Erosion-Prone Reaches of Channels Early Spring and After Storm After Storm Late Fall and After Storm
Inspect High Vegetative Diversity Wetlands Regularly Regularly Regularly

Table 11.  Potential ongoing operations and maintenance tasks for proposed Langdon Lake improvement projects.

Task

Treatment Ponds

Alum Injection System

Spring

Summer

Fall

Routine Inspection

a

a

Early and After Storm

After Storm

Late and After Storm

Operations & materials

 

a

Ongoing

Ongoing

Ongoing

General Upkeep

a

a

Regularly

Regularly

Regularly

Debris and Trash Removal

a

 

As needed

As needed

As needed

Inlet/Outlet Cleaning

a

a

As needed

As needed

As needed

Minor Erosion Repair

a

a

As needed

As needed

As needed

Note: Responsible parties would be determined by negotiation at the time of project proposal