Region 8 Drinking Water Online - Contact Us

Contact us with questions about drinking water in Wyoming or on Tribal Lands in R8 (CO, MT, ND, SD, UT and WY).

If this is a Drinking Water EMERGENCY and our offices are closed, please call 303‑293‑1788 for assistance.

If this is NOT an emergency and you want to leave a message 24 hours a day / 7 days a week, please call 303-312-6327

You can reach us through our toll free number
Monday-Friday from 9AM-Noon and 1PM-4PM at 1-800-227-8917
For extensions and e-mails, please check our Contact List.

Our E-mail address is
You can also use the form below to send us a comment or question.

You can send us a FAX at 1-877-876-9101

Or you can mail correspondence to:

U.S. EPA - Region 8
Drinking Water Program
1595 Wynkoop Street
Mail Code 8P-W-DW
Denver, CO 80202-1129
Phone: +1-303-312-6312
Fax: +1-877-876-9101

You can also contact us with questions about drinking water in Wyoming or on Tribal Lands in R8 (CO, MT, ND, SD, UT and WY) by completing the following form and clicking Submit.

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EPA Region 8 welcomes your comments, especially comments on problems using this website or how we can improve our Web site. We strive to respond to every comment with an answer or an appropriate referral as quickly as possible. Most comments will be responded to within 24 to 48 hours.

For questions regarding drinking water in states other than Wyoming or on Tribal Lands in EPA R8 (CO, MT, ND, SD, UT and WY) we suggest you first contact your State Drinking Water Program. Many times information about drinking water in other states can be found by visiting EPA in Your State.

Please help us answer your request by including a correct e-mail address. Also, if you are referring to a specific page within this web site, please include a URL or title for the page. You may also contact us by any of the methods provided above if you are unable to receive email at this time.

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