Public Notice: Shiprock Water Treatment Unit, Shiprock, New Mexico; Draft National Pollutant Discharge Elimination System (NPDES) Permit

Shiprock Water Treatment Unit, Shiprock, New Mexico; Draft National Pollutant Discharge Elimination System (NPDES) Permit
How to Comment
Comments Due

To submit comments, request a public hearing, or to obtain more information or the administrative record, please contact:
Prasad Gullapalli
gullapalli.prasad@epa.gov
EPA Region 9, NPDES Permit Section
(415) 972-3406

Currently, EPA is only receiving comments or requests via email. If you are unable to submit electronically or need other assistance, please contact the Permits Office contact listed above. If you need assistance in a language other than English or if you are a person with disabilities who needs a reasonable accommodation at no cost to you, please reach out to the Permits Office contact by email or phone.

All data submitted by the applicant is available as part of the administrative record.

A request for a public hearing must be in writing and must state the nature of the issues proposed to be raised in the hearing.

Do not submit any information you consider to be Confidential Business Information. Multimedia submissions (audio, video, etc.) must be accompanied by a written comment. The written comment is considered the official comment and should include discussion of all points you wish to make.

Publish Date

Summary

The U.S. Environmental Protection Agency, Region 9 (EPA) is issuing a notice of proposed action under the Clean Water Act (CWA).  EPA is proposing to issue a National Pollutant Discharge Elimination System (NPDES) permit NN0031100 to:

Facility:
Shiprock Water Treatment Unit
1 Uranium Boulevard
Shiprock, New Mexico - 87420

Permitee:
U.S. Department of Energy
2579 Legacy Way
Grand Junction, Colorado - 81503

The permit authorizes the discharge of treated effluent from the Shiprock Water Treatment Unit (WTU) to the Bob Lee Wash and to the San Juan River located in San Juan County in northwestern New Mexico. Department of Energy currently pumps groundwater with mill-related contaminants to a lined evaporation pond. Department of Energy is proposing to decommission and remove the evaporation pond and replace the treatment capability of the pond with a new WTU that discharges effluent to the San Juan River.

Applicants or Respondents

U.S. Department of Energy

2579 Legacy Way
Grand Junction, CO 81503
United States

Permit Number
NN0031100

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Last updated on September 15, 2025