V4 12 Stormwater Maintenance Manual

MAINTENANCE COST ESTIMATE Sub-Surface Detention Basin ...............c1ccseeeeeeeeecaeeeeeeeeneeeneeeeas $1,500 — $2,000 per year Maintenance cost estimate includes all maintenance inspections, equipment, sediment, trash and debris removal. Maintenance cost estimates are based on engineering assumptions, manufacturer’s recommendations as well as the relative frequency of maintenance. Actual costs may differ from estimate.