The pattern

When
Mostly July and August afternoons and evenings, when monsoon moisture feeds thunderstorms
Where water enters
Walkout doors, window wells, garage slabs, and gaps where patios meet foundations
Why sloped lots
Runoff from the street, neighbors' yards and rock landscaping funnels toward the low side
Insurance wrinkle
Surface water entering from outside is often treated differently from a roof leak or a sewer backup

Why hillside homes take on water

Much of Colorado Springs is built on rolling ground cut by creeks and dry gullies, and many newer neighborhoods have walkout or garden-level basements on the downhill side. That design puts a full-height door and large windows at the bottom of the slope, exactly where storm runoff collects.

Dry ground does not absorb a sudden downpour well. Compacted clay, decomposed granite and rock beds shed water fast, so a heavy cell can send sheets of water across yards that are normally dry. Window wells fill like buckets. If the well drain is clogged with gravel and leaves, water can rise above the sill and push through the glass seals or a cracked pane.

Gutters and downspouts matter too. A downspout that empties at the foundation on the uphill side can send roof water straight down the outside of the basement wall.

If water is coming in during the storm

  1. Protect people first

    Keep everyone out of standing water near electrical equipment. If water is rising toward outlets or the panel, leave the basement.

  2. Slow the entry if it is safe

    Towels or a temporary barrier at a door can help with shallow sheet flow. Do not go outside into fast-moving water to clear a drain.

  3. Photograph where water entered

    Show the door, window well or wall, the water line on walls, and the conditions outside once it is safe.

  4. Start extraction promptly

    Muddy runoff soaks carpet pad and drywall quickly. Ask a water mitigation provider about extraction and drying the same day if possible.

  5. Call your insurer with specifics

    Describe exactly how water got in. The source affects which coverage, if any, applies.

Surface runoff versus roof leak

These summaries are general; your policy wording decides.

Water from the ground surface

  • Rainwater flowing across the ground and in through doors or wells
  • Many standard homeowner policies exclude flood or surface water
  • Separate flood coverage may apply if you carry it
  • Prevention focuses on grading, drains, well covers and downspouts

Water through storm-damaged roof or windows

  • Rain enters because wind or hail opened the building
  • Often covered under the storm damage part of a homeowner policy
  • Emergency tarping and drying usually part of the claim
  • Prevention focuses on keeping the building envelope closed

Common questions

Can I buy flood coverage if I am not in a mapped flood zone?

Often yes. Flood insurance is available outside high-risk zones, usually with a waiting period before it takes effect. Ask your agent before the summer storm season starts.

What helps most before the next storm?

Clear window well drains, add clear well covers, extend downspouts away from the foundation, and check that soil slopes away from the house on the uphill side.

General information for Colorado Springs, not a quote or professional advice. In an emergency, call 911.