North Branch Cascades Trail Stormwater Assessment Completed

Friday, December 1st, 2017

A stormwater reduction plan has been developed for an abandoned section of the Vermont Rt 12 road bed in Worcester and Elmore. Engineering firm Malone and Macbroom identified 20 problematic sites and designed mitigation systems to slow the velocity of runoff flow, allow for the deposition of sediments, and appropriately deliver treated stormwater to the North Branch of the Winooski River.

Identified problems included poor drainage, ruts and settling of the former roadbed, failed culverts, erosion and headcuts. Proposed solutions include removing sediment, installing sediment traps, lowering berms, improving cross drainage, filling and stabilize eroded sites and ruts, stabilizing scour, and replacing failed culverts. Work to address these sites is planned for 2018, using a mix of contractor, youth crew, and volunteer labor.

This project is part of an initiative to develop a one-mile trail along the North Branch of the Winooski River, a wild and scenic river that flows from Elmore to Montpelier. This is a scenic stretch of river with numerous cascades, waterfalls, and swimming holes. The trail will be the centerpoint of an extensive conservation effort recently completed by the Vermont Land Trust and Vermont River Conservancy. Funding for the assessment was provided by the state Ecological Restortaion Grant program and the Vermont Watershed Grants program.

 

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