Railroad Ballast and Bulk Aggregates for Pasco, WA

Washington Rock Supply handles gravel and aggregate delivery in Pasco, WA, and the load is sized before anything else. Each product page has a calculator, then you pick your date at checkout.

Start with 5/8 minus, the crushed surfacing top course this market calls CSTC, for drives, pads and shop slabs. It packs hard because the fines stay in.

From there the sizes run down to washed stone for drainage.

Materials for Pasco Projects

Coarse stone does the heavy protection work around Pasco: slope faces, swales, ditch lines and bank toes. Once a cloudburst or a thaw sends water across bare ground, rounded and oversize rock is what holds the edge.

RipRap is the first size for shoreline, streambank, culvert outfall and cut-slope protection.

Large River Rock, the 2 to 8 inch round, arm swales, ditch lines, bank toes and culvert outfalls. Rounded stone is what Washington yards file under round rock, and the weight keeps it in place when a winter storm runs hard.

Railroad Ballast builds rail spurs, yard track and heavy equipment pads. Say the name in full here.

Drain Rock, also called 7/8 clean, is washed with no fines so it keeps its voids. That is the stone for footing drains, French drains and infiltration trenches.

At the finer end, Walkway Gravel is the 1/4 minus that packs tight on garden paths and side yards, and Stone Screenings bed pavers and flagstone. Screened Top Soil and Shredded Mulch, which the trade here calls beauty bark, finish beds after the rock is in.

Delivery to Pasco and the Surrounding Area

You order online, choose a quantity by the ton or by the yard, and pick a delivery date at checkout. A dump truck tips the load on your site in one pile.

Washington Rock Supply delivers across Pasco and Franklin County, including Connell, Mesa and Eltopia. Whether the site is a farm approach or an equipment pad, the same order flow covers it.

Ground and Conditions in Pasco

Across the Columbia Basin, Yakima Valley and the channeled scablands, this is windblown loess over Columbia River basalt. Where the Ice Age floods ran, the loess was stripped off and the basalt left bare, and the floods dumped sand and gravel bars in the coulees and along the rivers.

That ground is dry and loose for much of the year, and it sheds water rather than absorbing it when a storm or rapid thaw lands. Where flood gravel sits at the surface, water disappears straight down instead.

Wind off bare, dry silt moves soil, and short violent runoff cuts rills and gullies into loess with no cover. Irrigation runoff moves soil too, so rock at a slope toe or in a swale earns its place.

The working season is long either side of a hard winter. Eastern Washington's wet weather season for erosion control runs October 1 through June 30, and once snow falls or the ground freezes, placing and compacting base material stops being practical.

Winters here are cold and dry, and the ground freezes properly, unlike west of the Cascades. Frost heave in an unbound base is something to design for, and the county or city building department sets the footing figure.

Order Gravel and Rock for Pasco

Washington Rock Supply delivers bulk gravel, rock, sand and soil across Pasco and Franklin County, including Connell, Mesa and Eltopia. From riprap and large round rock for slope and swale work down to 5/8 minus for a drive, everything is sold by the ton or yard and tipped at your site.

Pick your material and your delivery date to get the order moving.