Grand Mound is the crossroads where Highway 12 leaves Interstate 5 for the coast, on the prairie in the southwest corner of Thurston County. It is named for the largest of the Mima mounds that once covered the prairie here, and for most of the twentieth century it was a gas station, a grange, and farms. The housing is spread out: 1900s farmhouses on the river bottom toward Rochester, 1970s and 1980s ranch houses on acreage along Old Highway 99 and Elderberry Street, and manufactured homes on wells and septic. The Chehalis Tribe's reservation lies just south across the county line, and since 2008 the tribe's resort on the freeway has been the largest employer in the neighborhood.
The prairie gravel drains fast, so the ranch houses on the high ground stay drier than most of the county. The river bottom is another matter. Grand Mound sits between the Chehalis and the Black River, the two flood-prone rivers of the southwest county, and the early December 2007 atmospheric river put the Chehalis across the freeway a few miles south for four days and into the low fields around the crossroads. January 2009 did it again, and the December 2015 and November 2021 storms brought both rivers back up. Between floods the winter water table under the bottomland keeps crawl spaces damp from Thanksgiving to April.
This site connects Grand Mound homeowners with an independent local water damage provider by phone. The provider looks at what the river or the ground did before setting the scope.
Brown water in a farmhouse or a manufactured home on the bottomland is a storm and river flood cleanup, and everything porous the river touched comes out. A crawl space that stays wet under a ranch house near the Black River is a crawl space water extraction. After the tear-out, structural drying runs until the framing reads dry.
The Great Wolf Lodge at the interchange is the landmark everyone in the county navigates by, and it is owned in partnership with the Confederated Tribes of the Chehalis Reservation, whose reservation along the river at Oakville has flooded in every big Chehalis year on record. Rebuild permits for a Grand Mound house go through the county's desk in Olympia; the pumping and drying need none.
Call (360) 364-8868 and say how high the water got and whether it is still rising. We put you through to an independent local water damage provider serving Grand Mound.
Standing water pulled off fir floors, tile, and concrete on any level of an Olympia house, then the first moisture readings on the walls it reached.
Air movers and dehumidifiers run against daily readings until joists, subfloor, and plaster reach a dry target in a damp Puget Sound winter.
Water pumped out from under a craftsman or rambler after a wet-season storm, then the joists, insulation, and vapor barrier checked and dried.
Cleanup after an old galvanized line or a frozen hose bib split, with the wall, floor, and crawl space below it metered and dried.
Mud, debris, and outside water removed after the Deschutes, the Chehalis, or a king tide came into the house, with soaked materials cut out and the rest dried.
The source of a stain, a damp floor, or a high water bill traced with meters and thermal imaging before anyone cuts into plaster or lath.
A tank that let go in a garage, a utility closet, or a crawl space, with the floor and the walls around it dried before the new tank goes in.
Wet attic insulation, ceilings, and walls dried after a windstorm lifted shingles or moss-clogged gutters sent water behind the fascia.