Agency accepts engineered capping plan at 425 Timber Ridge for review after consultant lists heavy-metals contamination

Sep 3, 2025

The commission accepted for review an application to install a one-foot engineered cap and bank stabilization at 425 Timber Ridge Road after consultants reported soil contamination (heavy metals and PAHs) at an outfall; the applicant proposed mid-September construction lasting three to five days and to finish with six inches of clean topsoil seeded with a wildlife mix.

The full story

Consultants told the commission they discovered contaminated soils (heavy metals and polycyclic aromatic hydrocarbons) adjacent to a drainage outfall at 425 Timber Ridge Road and proposed installing an engineered cap rather than excavating the contamination.

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