Parkplanning and PEPC will be offline for Data Center maintenance from 1:45 PM MT on Fri., Apr. 19th to as late as 3:00 PM MT on Mon., Apr. 22nd.

This 15-day comment period is intended to allow to the public to provide comments and concerns regarding the project and to help guide park managers in planning for future replacement of failing infrastructure at Old Faithful. The park is interested in learning about the public's concerns and ideas on how best to address the need to replace infrastructure within this unique and sensitive hydrothermal area.

* indicates the current step in the planning process
Step 1. Conduct external scoping *
Step 2. Analysis of public comment
Step 3. Refine alternatives
Step 4. Prepare final decision document (Categorical Exclusion)

Respondents are encouraged to submit their comments through the Planning, Environment and Public Comment (PEPC) Web site online at http://parkplanning.nps.gov/OFSewerCE.

Comments may also be mailed to: Compliance Office Attn: OF Sewer Main Replacement, P.O. Box 168, Yellowstone National Park, WY, 82190.

Comments can also be hand-delivered during normal business hours to the mailroom in the park's Administration Building in Mammoth Hot Springs, Wyoming. Comments will not be accepted by fax, e-mail, or in any manner other than those specified above. Bulk comments submitted in any format on behalf of others will not be accepted. Comments must be received by midnight MDT, September 3, 2014. After this date, public comments will be evaluated and a decision on whether to implement the proposal will be made by the Superintendent of Yellowstone National Park.