Drainage & concrete leveling in Brushy Creek, TX

Brushy Creek is both a community and a waterway. The creek itself rises a few miles northwest of Leander and flows about 69 miles east to the San Gabriel River, passing through Cedar Park and Round Rock on the way. The community that shares its name lies in Williamson County along the middle of that run. Soil here reflects the county's split personality. West of the Balcones Fault, the ground is light to dark loam over limy subsoil and limestone. East of it, the soils are dark, clayey Blackland types that shrink and swell. The creek valley itself holds terrace alluvium, a mix of transported marl, sand and pebbles laid down by the creek over thousands of years. So a Brushy Creek lot may be clay, loam over rock or creek-bottom sediment, and we recommend checking the USDA Web Soil Survey for your address.

The creek is the main feature of the landscape. Its banks are heavily wooded for much of its length, and the Brushy Creek Regional Trail follows it through the area. Homes up the slope from the creek often send runoff down toward it, while homes in the low ground can face rising water in big storms. Floodplain maps matter here. If your lot touches the creek, a tributary or a drainage easement, you should look at the FEMA flood map and ask the county or district about local rules before changing anything. Roads that matter include US-183 and Brushy Creek Road, with Interstate 35 and SH 45 offering access to the east. Slopes toward the creek can be steeper than they look, and runoff gains speed quickly. Spring and fall bring the heaviest storms, and rooftops, driveways and streets send water to the creek and its tributaries within minutes.

Many of the neighborhoods here were built from the 1980s through the 2000s, with newer sections still being added. The area includes a Municipal Utility District named Brushy Creek MUD, which provides utility services to part of the community. Homes are mostly one- and two-story slab-on-grade houses on lots of moderate size. Many have backyards with a gentle slope toward a back fence, a greenbelt or a drainage channel. Homes that are 20 to 30 years old now have settled patios, aged downspout lines and landscaping beds higher than they should be. Newer homes sit on engineered fill that continues to compact. Both kinds of lot can develop low spots where water stays, especially where grading was done years ago and has since shifted. Many yards back onto greenbelts, and fences there sometimes block the flow that was designed into the neighborhood grade, so check before replacing one.

Typical issues in Brushy Creek follow from slopes, creek runoff and soil. Water collects behind retaining walls and at the base of slopes. Downspouts empty onto soil that slopes back toward the foundation. Erosion strips soil from around patios and sidewalks, leaving voids. On limestone-influenced lots, water often sits on top of the rock layer and moves sideways, popping up in yards below. On clay lots, water cannot soak in at all and stays at the surface. Fixes include French drains, downspout lines, catch basins, swales and careful regrading. Foam leveling can lift settled slabs, and crack and joint sealing helps stop water from getting under them. If you notice stair-step cracks or sticking doors, a structural engineer or foundation repair company should evaluate the house. We do not do structural repair.

Where you live determines who sets the rules. Parts of Brushy Creek are unincorporated and fall under Williamson County and the MUD, while nearby sections lie inside Round Rock or Cedar Park. Cedar Park, for example, requires a site fill and grading permit for certain earthwork, with erosion controls and tree protection in place before work begins. We could not verify the rules for every part of the community, so ask your HOA, the MUD and the city or county that covers your address. Anything touching a creek bank, floodplain or recorded drainage easement deserves a call first. Texas Water Code Section 11.086 also makes it unlawful to divert surface water in a way that damages another property. Call 811 at least two business days before digging. Rainfall is roughly in the mid-30 inches a year, and a stalled storm can raise the channel fast. Dry spells open soil cracks that let the next rain sink in quickly near foundations.