Commissioners approve Prairie Valley PUD amendment to increase allowable impervious surface

Feb 24, 2026

The board approved an amendment to the Prairie Valley planned unit development allowing up to 12,000 sq ft of impervious surface on 3‑acre lots (20,000 with engineered detention). Planning staff said engineering shows the change will not harm drainage; the planning commission recommended approval and the board voted 7–0.

The full story

County planning staff presented an amendment to the Prairie Valley planned unit development and subdivision plat to raise the allowable impervious surface on 3‑acre lots from 6,000 square feet to 12,000 square feet, with a conditional allowance up to 20,000 square feet if individual lot engineering provides on‑site detention. Staff said the engineer's updated calculations show the increase will not negatively impact offsite drainage and the planning commission recommended approval.

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