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Commission presses developer on stormwater, infiltration beds and riparian easement near Catasauqua tributary
Summary
Engineers said infiltration testing showed deep soils, but commissioners warned that on‑lot infiltration, riparian buffers and PPL easement constraints limit designs; the developer said riparian and storm easements could be consolidated but will confirm recording and remediation as needed.
Engineers for the Green Meadow project told the commission they performed infiltration testing for proposed stormwater basins and found deep soils and no karst features; the developer said the stormwater system was designed to handle the model homes shown and that lots that need more capacity could add on‑lot infiltration. "We've conducted our infiltration testing for the 2 basins, and we're we're pleased with the results," the engineer said.
Commissioners pressed whether the subdivision's stormwater design should be sized for a full 20% impervious buildout per zoning or whether the developer's per‑lot cap (roughly 5,325 sq ft on lots expected to accommodate larger models) was reasonable. Staff pointed out riparian buffer recording requirements (minimum 35 feet is typical) and the difficulty of drafting permanently accurate metes‑and‑bounds for a meandering stream; the developer said he will clarify whether a separate recorded riparian easement is required or whether the stormwater easement can serve both functions.
