City of Warren Residential Cross Connection Program
Purpose:
To prevent contamination of the public water supply by identifying and eliminating potential cross connections, as required by Michigan Public Act 399.
What is a Cross Connection?
A plumbing arrangement that could allow contaminated water (e.g., sewage, chemicals) to flow backward into your drinking water due to backflow.
What Residents Need to Know:
Required Inspection
- Mandatory for all homes in Warren (State law).
- Begins October 2025 and will take several months to complete.
- Residents will be notified when inspections will take place in their neighborhood.
- Inspection takes 10–15 minutes.
Who Will Perform Inspections?
- City of Warren Water Department Customer Service Crews.
- Crews will be in City vehicles and carry City ID badges.
Inspection Details:
- Includes interior and exterior of the home.
- Homeowners must be present.
- Crews need access to:
- Front and back yard
- Inside the home
What You Can Do Before the Inspection:
- Check your garden hose for a Hose Bibb Vacuum Breaker.
- These prevent the most common cross connection issue.
- Can be purchased at local hardware stores.
How to Prepare:
- Fill out the Cross Connections Questionnaire
- Include your phone number.
- Return it to:
- By Mail or Dropbox:
- City of Warren Water Department
12821 Stephens, Warren, MI 48089 - Label: “Cross Connections Program”
- City of Warren Water Department
- By Mail or Dropbox:
- OR call to schedule:
(586) 759-9200
After Inspection
- If modifications or testing of backflow devices are needed, you will be notified.
- Questions? Call the Water Department at (586) 759-9200
More Info Available: