Storm Runoff & Erosion
Stormwater Drainage & Erosion Control in Kerrville, TX
Residential drainage help for runoff, washouts, overloaded yard drains, and erosion after heavy Hill Country rain.
Residential Stormwater
Start by Separating Lot Runoff From Flood Exposure
Heavy Hill Country rain can expose blocked drains, low grades, eroding outlets, undersized yard inlets, and runoff routes that are hard to see in dry weather. Those residential drainage problems can often be evaluated after the water recedes.
River, creek, and flash-flood exposure is different. A yard drainage system cannot make a floodplain property flood-proof, and major watershed or structural protection work may require a civil engineer, floodplain official, or other licensed professional.
Important limit: This service addresses roof water, lot runoff, washouts, and residential drainage failures. It is not a promise of flood prevention or a substitute for floodplain guidance.
Assessment First
Post-Flood Drainage Assessment
If heavy rain caused runoff, standing water, or erosion on the property, the assessment can document the visible drainage path and likely failure points. Common items to check include:
- Driveway or yard pipes that are blocked, damaged, or visibly overtopped
- Blocked existing drains where debris accumulated and eliminated capacity
- Improper original grade that worked under normal rainfall but failed under surge
- Roof or yard runoff reaching the foundation edge
- Drainage outlets that are blocked, eroded, or located below a recurring ponded area
- Soil erosion that removed grade and created new low points since the last storm
Understanding what failed — and why — determines the right upgrade. Not every post-flood property needs the same fix.
Document the water path while the evidence is fresh.
Photos, debris lines, and erosion marks help the contractor understand what happened and prepare a practical scope.
Mitigation Solutions
Residential Runoff and Erosion Options
The installation contractor selects methods after measuring the site and identifying a safe outlet. Possible options include:
French Drains and Interceptors
For subsurface seepage or persistent saturation where the property has enough fall to a dependable outlet.
Surface Diversion Swales
Shallow channels that intercept broad surface runoff and guide it along a stable path away from structures.
Catch Basins and Surface Inlets
Collection points for low areas, patios, courtyards, and other places where surface water repeatedly gathers.
Outlet and Erosion Repair
Stone, vegetation, grading, or other stabilization at residential discharge points where concentrated flow is cutting soil.
Downspout Routing and Regrading
Surface corrections that keep roof discharge and shallow runoff from feeding the same low point.
Professional Referral
Large culverts, retaining structures, floodplain work, or systems affecting neighboring property may require engineering or local review before construction.
Project Records
Keep the Drainage Scope and Installation Details
Hill Country Drainage Pros and the installation contractor are not public adjusters and do not interpret insurance coverage. If an insurer requests drainage documentation, ask the adjuster exactly what records or licensed opinions are required.
Keep the written estimate, approved scope, invoices, and any photos the contractor provides. These records explain what was installed, but they do not guarantee that an insurer, lender, or government office will accept them for a particular purpose.
Ask before work starts: If a third party requires engineering, permits, inspections, or specific photographs, confirm those requirements before approving the project.
Preparation vs. Reaction
Don't Wait for the Next Event
Ordinary maintenance and runoff corrections are easier to plan when the property is dry. Clear blocked inlets, note erosion, and save photos showing where water traveled during the last storm.
If the concern involves a mapped floodplain, creek, river, or fast-moving floodwater, contact the appropriate local floodplain office or a qualified civil engineer. For ordinary roof and lot runoff, request a residential drainage assessment.
Call (830) 308-7214 or fill out the contact form. We serve the entire Hill Country.
Ready to stop worrying about the next storm?
Request a residential runoff assessment, or get the right professional referral when the issue is larger than lot drainage.