Information displayed on this page is designed for water utilities preparing to or actively responding to a boil water incident. If you are a consumer seeking information about boil water advisories, click the "Information for Consumers" tab at the top of this page. 
Guidance on Main Break Types and Responses
- Main Break Reporting Checklist
- Main Break Types and Responses – chlorinated system
- Main Break Types and Responses – non-chlorinated system
VDH Templates:
- 1 Confirmed Microbial Contamination
- 2 Elevated Turbidities at Filters
- 3 Zero or Negative System Pressure at Waterworks
- 4 Low Distribution Pressure - Emergency Notice
- 5 Watermain Break - Emergency Notice
- 6 Flooding of well(s) - Emergency Notice
- 7 GUDI Source Determined
- 8. GUDI Source Requiring At Least 4-Log Inactivation of Viruses
- 9 Chemical Contamination Emergency Notice
- 10 Unknown Chemical Contamination
- 11 Boil Water Advisory Lifted
- 12 Drinking Water Problem Corrected
Standard Templates
- BWA Template - E. coli MCL
- BWA Template - General
- BWA Template - Waterborne Disease
- DND Template - General
- DNU Template - General
Other Resources
Last Updated: October 30, 2025