Rock Swale: Build a Zero-Maintenance Drainage System That Stops Erosion Fast
May 2024, Middle Tennessee: a 2-acre horse pasture lost 18 inches of topsoil in a 4-hour deluge. Repair estimate: $42,000. The owner called me in tears. I marked one 180-ft rock swale on contour with an A-frame, rented a mini-excavator for $380, and lined it with local 6–12″ river rock. Total cost: $1,800. The next […]
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