Best Well Installation in Decatur, IL
Compare 13 local well installation providers in Decatur, IL. Verified listings with real contact info.
13 verified providers · Updated 2026-04-21
Quick Compare
S & J Well Drilling
BRI, A Cogent Company
Culligan of Decatur & Springfield
Advanced Plumbing & Bath
Kelley's Septic Tank & Sewer Service Inc
A.D. Binder Plumbing and Heating, LLC
Septic Specialist
Mashburn Well Drilling, Inc.
Crouse Concepts, Inc. Sewer & Septic Service
Reynolds Drilling Corporation
Frequently Asked Questions
How much does a complete well installation cost in Illinois?
A complete well installation typically costs $12,000 to $25,000, including drilling, casing, pump system, pressure tank, electrical, and plumbing connections. Bedrock wells are at the higher end. State permitting requirements, mandatory water quality testing, and well completion reporting add to the total cost.
What's included in a complete well installation in Illinois?
A complete installation includes IDPH-required permits under the Illinois Water Well Construction Code (77 Ill. Adm. Code 920), drilling, well casing and cap, grout sealing, submersible pump and motor, pitless adapter, drop pipe, electrical wiring, pressure tank, pressure switch, water line to the home, and mandatory initial water quality testing per state code.
How long does it take to install a complete well system in Illinois?
The entire process typically takes 4-8 weeks from permit application to final approval. Drilling takes 1-3 days, pump and tank installation 1-2 days, and plumbing and electrical connections 1-2 days. Water testing results take 5-10 business days. Permit and inspection timelines vary by jurisdiction.