Don’t wish you HAD called Willey & Co — Do It Now!

Get your septic system installed, well drilled and pump work done right the FIRST TIME and enjoy the comfort of experience and quality. We are always trying to find ways to make sure we are the best in Delaware when it comes to septic installation, well drilling, and irrigation installation.

You get top quality workmanship, experience, respect, and competitive pricing from the one company that you can trust to be there when you need them!
With 45 years of experience and the best warranty coverage anywhere; WILLEY & CO septic system, well drilling, and irrigation installations give you the peace of mind with your new investment. Our entire company firmly believes in treating every job and every client as if the job were their own. You can count on WILLEY & CO for quality installations and prompt service.


You can count on WILLEY & CO for: 

  • Septic System Designs ( Class B and C Designs or, in other words, all design types) We go to great lengths to provide better, cheaper, and more efficient options that most owners won’t know are possible with other designers.
  • Septic Pumping
  • Septic System Installations and septic repairs
  • Class “H” Septic System Inspection for real estate transactions
  • Water Well Drilling – Many Size Wells With Hookup Options to Meet All Needs (including Geothermal)
  • Site Preparation/Grading/Harley Rake
  • Plumbing Services on Modular and Mobile Homes (including central sewer and water hookups)
  • Repairs, Revitalizing, and Re-connecting Existing Wells
  • Gravel Driveways
  • Soil Evaluations
  • Water testing (Basic or FHA)
  • Industry-Leading Parts and Service Warranties that Exceed Manufacturer Warranties
  • Septic Service Contracts to Maintain and Preserve the Life of Existing System
  • Troubleshooting and service calls on all our services
  • Irrigation wells and pump systems
  • Lawn irrigation systems
  • Lawn irrigation maintenance contracts