Quick Links - Solving Drainage and Erosion Problems


In a rush? Use this page to find what you're looking for quickly.

I Have a Wet Yard

1. The Yard Is Wet After Storms

Likely Causes: Improper grading or poor infiltration

Small wet area after stormsProblem: Small Wet Area After Storms »

  • Replant with water-loving species to soak up water.
  • Fill in the depression .

Wet Areas Near Gutters and DownspoutsProblem: Wet Areas Near Gutters and Downspouts »

  • Gutter inspection and maintenance
  • Downspout and sump pump extensions

Wet Areas Near Gutters and DownspoutsProblem: Widespread Wetness After Storms »

  • Redirect runoff using a swale, dry creek bed, French drain, catch basin, downspout or sump pump extension to a suitable area.
  • Capture and store runoff using a rain barrel, dry well, soil amendment/compost blanket, or rain garden.

2. The Yard Is Wet for Months or All the Time

Likely Causes: Damaged water features or pipes or high groundwater

Small Wet Area All the TimeProblem: Small Wet Area All the Time »

  • Leaky pipe: How to tell and who to call.
  • Natural spring: redirect or capture spring water

Large Wet Area for Months or All the TimeProblem: Large Wet Area for Months or All the Time »

  • Is it a wetland or Resource Protection Area? Follow all laws, rules and guidelines.
  • Replant with water-loving species.

I Have Yard Erosion

Likely causes: Paths of concentrated flow, poorly vegetated or exposed soil, discharge points or steep slopes.

Bare Spots or Gullies in the YardProblem: Bare Spots or Gullies in the Yard »

  • Protect eroded land: replant, cover with mulch or gravel, build check dams or terraces.
  • Redirect or capture runoff

Erosion at Downspouts, Gutters or Along the Drip LineProblem: Erosion at Downspouts, Gutters or Along the Drip Line »

  • Protect the pipe outlet with a splashguard or stone
  • Reroute the discharge point using downspout extensions
  • Inspect and maintain gutters
  • Protect the drip line with gravel or vegetation

Sediment on Sidewalks, Driveways or Flat AreasProblem: Sediment on Sidewalks, Driveways or Flat Areas »

  • Find the source of sediment, protect the eroding area
  • Capture the runoff

Scouring Around an Obstruction in Flow. Photo credit: The_tahoe_guy at FlickrProblem: Scouring Around an Obstruction in Flow »

  • Remove or cut obstruction, fill depression

I Need To Control Heavy Runoff

Redirect runoffRedirect Runoff »

  • Swales, French drains, catch basins, downspout extensions

Capture runoffCapture Runoff »

  • Rain barrels, dry wells, soil amendment, rain gardens

I Have A Sinkhole

Use a probe to investigate the hole. Never enter a sinkhole that is deeper than chest height. Collapse of a sinkhole can lead to serious injury.

Sinkhole near structuresThe Sinkhole is Near Structures, Outdoor Stairs or Walkways »

  • Near Outside Walls or Under Stairs: Fill in the sinkhole using our tips and sinkhole best practices.
  • Under Sidewalks or Walkways: Concrete under pressure can be used to raise the sidewalk or the sidewalk can be ground down to make it level.

Sinkhole in the yardThe Sinkhole is in the Yard »

  • Sinkhole from Large Debris in Yard: Fill in the hole using our tips and sinkhole best practices.
  • Sinkhole near a Buried Pipe: How to tell and who to call.
  • Sinkhole from an Underground Spring: Control the flow.
  • Sinkhole from Old Buried Wells or Utilities: Who to call for this least common and most dangerous case.

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