Understanding Water Well Depth in Houston: What Homeowners Need to Know

In Houston, water wells vary in depth depending on your location and water needs. Whether you're considering installing a new well or want to understand the one you already have, knowing how deep your water well should be is key to water quality, reliability, and cost efficiency.

🕳️ How Deep Should a Water Well Be in Houston?

Most private water wells in the Greater Houston area range from 100 to 600 feet deep. The exact depth depends on:

  • Aquifer Location: The Gulf Coast Aquifer system sits beneath much of the region and varies in depth depending on the neighborhood.

  • Water Demand: Larger households and irrigation systems may require deeper wells to maintain flow.

  • Local Soil & Rock Composition: Drilling conditions affect how deep the well must go to reach clean, sustainable water.

🔍 Signs Your Well May Be Too Shallow

If your water well isn't deep enough, you might experience:

  • Frequent water shortages during droughts

  • Poor water pressure

  • Contaminated water from surface runoff

  • Increased sediment or discoloration

These are signs it might be time to inspect your well or drill deeper.

🧪 Does Deeper Mean Cleaner?

Not always—but usually. Deeper wells are generally:

  • Less likely to get surface contamination

  • More consistent year-round

  • Better protected from chemical runoff or bacteria

However, depth alone doesn't guarantee purity. Regular testing is still required to ensure water safety.

💸 Cost of Drilling Deeper in Houston

Water well drilling typically costs between $35–$65 per foot in the Houston area. So, a 400-foot well may range from $14,000–$26,000, depending on the terrain and materials used.

Factors that affect cost:

  • Existing well conditions

  • Casing and pump type

  • Permits and inspections

  • Soil hardness or sand layers

A professional inspection can determine whether your current depth is sufficient or if deeper drilling is necessary.

Need Help Evaluating Your Water Well?

At AAA Water Well Services, we’ve been serving the Houston area for 25+ years. If you're unsure how deep your well should be—or suspect issues with water pressure or quality—we offer expert well inspections, pump repairs, and drilling services.

Contact Us!

📞 Call Now: 281-703-2004
📧 Email: barsan5351@gmail.com
🌐 Visit: aaawaterwellservices.com

Previous
Previous

How Houston’s Climate Affects Your Water Well System (And What to Do About It)

Next
Next

Top Signs Your Houston Water Well System Needs Repairs