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Commission flags missing permits and stormwater issues for major residential and mixed-use plans

Butler County Planning Commission · January 21, 2026

Summary

Commissioners raised missing DEP letters, absent HOP notes, disconnected acreage labels, and a stormwater overflow appearing to direct flow toward a neighboring house for two major plans: Henry Farm PRD (114 single-family lots) and Walnut Square preliminary master plan (54 townhomes plus warehouses).

Commission staff reviewed several major plans and repeatedly found missing regulatory and technical documents. For Henry Farm PRD (#26022), which proposes 114 single-family lots, staff noted no DEP or flow/capacity letter, required Highway Occupancy Permit (HOP) for new road rights-of-way, missing setbacks for Lot #400, and concerns about emergency access if a road is blocked.

For Walnut Square (#26006), a preliminary master plan proposing 54 townhomes, two 11,200-square-foot warehouses with 1,800-square-foot offices, and a 5,000-square-foot retail building with a potential drive-through, staff flagged mismatched acreage labels versus county GIS, missing HOP notes and ACT 537 (sewer) letter, and an eastern stormwater-basin overflow that “appears to be directed at neighbor’s house.” Commissioners voted to release comments on major plans for municipal review after amending the staff comments.

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