Homeowner Information:

• Drinking Water Well Basics
• Testing Your Well Water for Bacteria
• Disinfecting Your Water Well
• Water Testing Fees & Services - Please note that expedited Arsenic, Nitrate, and Nitrite testing now result in a 2-day turnaround time.

Drilling a Well in Washtenaw County:

• Obtaining a Well and/or Sewage Permit

Supplemental Information:

• Mimimum Isolation Distances for Well & Sewage Systems
• Applications & Fees
• "Time of Sale" Program

Regulations & Guidelines:

• Washtenaw County Well Regulation
• State of Michigan Well Construction Code

Resources: 

• Sanitarian Township Assignments
• Map of Arsenic Levels in Washtenaw County

Brochures/Fact Sheets:

• Arsenic in Well Water in Washtenaw County
• Arsenic in Well Water
• Coliform Bacteria Fact Sheet
• Insects in Your Water Well 
• Nitrate in Drinking Water 
• Protecting Your Private Water Supply in an Emergency 
• The Water Cycle
• Your Water Well and Pump System 

For More Information:

• Your Area Sanitarian (based on your Township)
• Department of Planning and Environment - (734) 222-3800
• Michigan Environmental Mapper - Online records of environmental contamination sites in Michigan
• Michigan Groundwater Mapping Project - Online interactive map viewer and groundwater information database
• Water Well Viewer - Online records of Michigan wells
• Drinking Water Information - Michigan Department of Environmental Quality
• Private Well Information - U.S. Environmental Protection Agency
• Interactive Well Diagram
• Arsenic Trade Show - A learning portal designed to help water systems comply with EPA's Arsenic Rule