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Coliform Information Packet

We developed the Coliform Information Packet (DOH 331-258) 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 page.

Contents/Downloads

Publications: (PDF)

Publication #

Coliform Information Packet: Instructions for use by water systems 331-258-1
Preparation of a Coliform Monitoring Plan for Group A Public Water Systems 331-036
Coliform Monitoring Plan for the Small Noncommunity Water System 331-240
Coliform Distribution System Sampling Procedure 331-225
Routine Coliform Monitoring Requirements 331-205
Correct Completion of a Coliform Sample Lab Slip 331-247
Follow-up to an Unsatisfactory Coliform Sample 331-187
Coliform Bacteria and Drinking Water 331-181
Types of Coliform Violations for Group A Public Water Systems 331-206
Troubleshooting Checklist for Coliform Contamination 331-180
Emergency Disinfection of Small Water Systems 331-242
Office of Drinking Water authority over operators and water systems 331-449

Public notification form:

You must use the Coliform Maximum Contaminant Level Exceeded: Nonacute MCL form to provide public notice to your customers if you have a nonacute MCL violation.

You may revise the form, but you must KEEP all the information in italics. Type or hand write information on the form. Then photocopy the completed notice and distribute to your customers. The Spanish version of the public notification is on the back of the form.

You must complete the bottom section of the form and mail it to us within 30 days of notifying your customers of a nonacute MCL violation. This is certification that you provided notification to your customers.

Coliform Maximum Contaminant Level Exceeded: Nonacute MCL (331-263) PDF / Word


For more information

You can get a hardcopy of this packet from our regional offices below or order one from our publications page. Click for map of regional offices.

Eastern Region: Spokane Valley (509) 329-2100

Northwest Region: Kent (253) 395-6750

Southwest Region: Tumwater (360) 236-3030

After-hours Emergency: (877) 481-4901

 

Related Information

Regional Offices (PDF) Find out which ODW office to call for help.

 


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Dept. of Health
Office of Drinking Water
243 Israel Road S.E. 2nd floor
Tumwater, WA 98501
Mail:
P.O. Box 47822
Olympia, WA 98504-7822
(360) 236-3100

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Last Update : 03/23/2012 09:53 AM