We developed the Coliform Information Packet webpage to help you better understand total coliform bacteria, what it is, how to test for it, and what to do if you find it in your water supply. You can get a hardcopy of this packet from our regional offices (see below) or order one from our Publications and Forms page.
Contents/Downloads
Revised Total Coliform Rule (RTCR) webpage
Preparing a Coliform Monitoring Plan webpage
Routine Coliform Monitoring Requirements webpage
Preparing a Coliform Monitoring Plan: For large or multiple-source systems 331-036 (PDF)
Coliform Sampling Procedure 331-225 (PDF)
How to Complete a Coliform Sample Lab Slip 331-247 (PDF)
Follow-up to an Unsatisfactory Routine Coliform Sample 331-187 (PDF)
Coliform Bacteria and Drinking Water 331-181 (PDF)
Treatment Technique Triggers, Violations, and Public Notification Requirements 331-206 (PDF)
Troubleshooting Checklist for Coliform Contamination 331-180 (PDF)
Emergency Disinfection of Small Water Systems 331-242 (PDF)
- Emergency Disinfection of Small Water Systems 331-242-Russian (PDF)
- Emergency Disinfection of Small Water Systems 331-242-Spanish (PDF)
- Emergency Disinfection of Small Water Systems 331-242-Tagalog (PDF)
- Emergency Disinfection of Small Water Systems 331-242-Ukrainian (PDF)
- Emergency Disinfection of Small Water Systems 331-242-Vietnamese (PDF)
Office of Drinking Water Authority Over Operators and Water Systems 331-449 (PDF)
More Information
You can get a hardcopy of this packet from our office or order one from our Publications and Forms page.
Go to our Contacts and Office Location page where you'll find our org chart, program email addresses, an interactive map with county assignments, a link to our Staff Directory, and more. For drinking water and statewide source monitoring questions, use the interactive map and call the ODW staff assigned to your county.