Commission seeks updated steep‑slope mapping, proposes tiered slope definitions

Sep 21, 2026

Staff proposed modernizing the steep‑slope ordinance by distinguishing moderate slopes (15–24.99%) from steep slopes (25%+) and adding disturbance limits; engineers recommended geotechnical design standards for very steep sites.

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The Planning Commission reviewed a proposed update to the Borough’s steep‑slope ordinance that would modernize mapping and create clearer slope bands. Scott Greenly said the current ordinance relies on 1975 topographic mapping and suggested defining moderate slopes as 15–24.99 percent and steep slopes as 25 percent or greater.

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