Mishawaka Utilities: backflow testing rules
Serves Mishawaka, IN. Every point below comes from Mishawaka Utilities's own pages, linked; check your notice for your own deadline.
Who must test
- Residential irrigation systems need an approved assembly that is kept in good working condition and tested annually. Source.
- Residential boilers need an approved backflow assembly that is kept in good working condition and tested annually. Source.
How the report is filed
- The Cross-Connection and Backflow form is completed in triplicate; the customer and tester keep a copy and the third goes to Mishawaka Utilities, 100 Lincolnway West, within five working days of installation or repair. Source.
Tester registration
- IDEM requires all installers and testers to be licensed in Indiana under the University of Southern California training program, per the utility page. Source.
Program
- The Mishawaka Utilities Water Division inspects commercial and industrial water customers for potential cross-connection and backflow violations. Source.
How to file your backflow test with Mishawaka Utilities
- Read your notice. It names the assembly, its location and the date the report is due.
- Book a tester Mishawaka Utilities accepts. See finding a tester below; book early so there is time to repair a failed assembly.
- The tester tests the assembly and fills in the test report. A failed assembly is repaired and tested again.
- The report is filed. The Cross-Connection and Backflow form is completed in triplicate; the customer and tester keep a copy and the third goes to Mishawaka Utilities, 100 Lincolnway West, within five working days of installation or repair.Source.
- Keep a copy and set a reminder for next year. Set a free test-due reminder.
Finding a tester Mishawaka Utilities accepts
We found no tester list on Mishawaka Utilities's own pages. Use a state certified tester, and check your notice in case it names the testers or the portal it accepts.
Before you book, ask the tester:
- Are you registered with Mishawaka Utilities?
- Will you send the test report to the utility for me, and how?
- When is my report due? The date is on your notice; the tester needs time to test, repair if needed and file.
Other water utilities in Indiana
- Citizens Energy Group
- Fort Wayne City Utilities
- Indiana American Water
- Evansville Water and Sewer Utility
- South Bend Water Works
- Carmel Utilities
- City of Bloomington Utilities
- Lafayette Water Works
Read October 6, 2026. Program page: mishawaka.in.gov.