professional • knowledgeable • experienced

Coonse Well Drilling and Pump Co, Inc., is a water well contractor in Caldwell, Idaho. We are a family owned & operated Idaho business serving the greater Treasure Valley, Southwest Idaho, and Eastern Oregon areas. Our professional staff is very knowledgeable with over 35 years of experience. We provide honest and reputable service and are committed to quality workmanship and products. Customer satisfaction is important to us, and we make every effort on every job to provide a level of service that is second to none!

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Certified AND Licensed Well Drilling

Working out of Idaho and Oregon, we are a Licensed Idaho Public Works Contractor, a Registered Idaho Contractor, and are recognized as a Certified Well Driller/Pump Installer by the National Groundwater Association.


 We Sell & Install Quality Pump & Water Systems

  • Franklin Electric
  • Sta-Rite
  • Flexcon & Well-X-Trol
  • Goulds
  • Berkeley
  • Grundfos
  • Carry
  • Submersibles
  • Centrifugals
  • Turbines
  • Waterfall Pumps
  • Quality Brands
  • And More…

services we provide

  • Well and Water System Installation & Repairs
  • Water System Design & Cost Estimate
  • Well Construction/Drilling
  • Annual Well and Water System Maintenance
  • Well Inspections, Flow Tests & Disinfecting Services
  • Pump Sales/Service
  • Water Analysis & Treatment
  • Well Abandonments
  • Agriculture Irrigation Systems
  • Excavation Services for Waterline Installations
  • Frost Free Hydrant Installations
  • Cistern Installation for Water Storage
  • Hand Pump Installations

proudly serving

We proudly serve customers in Nampa, Caldwell, Greenleaf, Melba, Middleton and all of Canyon County, as well as, Boise, Eagle, Meridian, Garden City, Kuna, Star and the rest of Ada County. We offer an extensive warranty on all products and 1 year warranty on all workmanship! Includes residential, irrigation/agriculture, and commercial/industrial applications. We work with you to design an efficient water system that meets your needs.


For your water well drilling, water system or pump needs, contact Coonse Well Drilling and Pump or visit us at 15851 Gunfire Road Caldwell, Idaho 83607.