Estimate aggregate for a rectangular or trapezoidal drainage trench. Start with the published examples below, then use your own supplier quote for a delivered estimate.
Washed #6 river rock — $59 per cubic yard
Material price. July 2026 homeowner material price snapshot for Chicago’s northwest suburbs. Verify product size and suitability for your specification.
The FAQ lists dump-truck delivery as a flat distance-based charge on top of material pricing, with taxes shown at checkout. Confirm the address-specific delivered total and order minimum.
The result is gross trench fill; subtract displaced pipe volume separately.
Use aggregate appropriate to the drainage design.
MEASURE. PLAN. BUILD.
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Set your dimensions below. Apply a researched supplier rate in supplier options, or enter your own quote.
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Know what goes into your numbers.
Every estimate shows its assumptions. Adjust waste, material density, and delivery rules to match your job. Use your supplier’s actual prices for a more useful comparison.See how we calculate