Commission grapples with numeric thresholds that would trigger engineered stormwater plans
Commissioners considered numeric triggers—10,000 sq ft of new impervious surface, 20,000 sq ft of land disturbance, or 500 sq ft of newly created slope—that would require professionally designed stormwater plans; they also discussed including town roads in adjacent-property calculations.
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A central technical debate at the Oct. 21 meeting focused on the numeric thresholds that would require a professionally designed stormwater plan. Virginia summarized the proposed triggers: "the 10,000 square feet of new impervious, the 20,000 square feet of disturbed, and the 500 square feet or more of newly created slope with a grade of 20 to 35% within 50 feet of downslope neighboring property line."
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