ADEC has prepared an APDES Preliminary Draft Individual Permit, AK0043354 – ConocoPhillips Alaska, Inc., Kuparuk Seawater Treatment Plant (Permit). The Preliminary Draft Permit, Fact Sheet, and associated documents are available to the applicant for a 10-day review. Following the close of the 10-day applicant review period, DEC will prepare a draft permit and fact sheet for a formal 30-day, public review period. Public comments will be accepted during the formal 30-day review period. You can access the documents on DEC’s Wastewater Discharge Authorization Program webpage at: http://dec.alaska.gov/water/wastewater/

Alaska DEC Contact:          
Marc Bentley
Alaska Department of Environmental Conservation
Division of Water - Wastewater Discharge Authorization Program
555 Cordova Street, 3^rd Floor
Anchorage, AK 99501-2617
(907) 269-6287
marc.bentley@alaska.gov

Preliminary Draft Permit Review:

Start Date:      February 2, 2018

End Date:       February 20, 2018 at 5:00 p.m. Alaska Standard Time

Permit No.:    AK0043354

Applicant:     
ConocoPhillips Alaska, Inc.
Kuparuk Seawater Treatment Plant
Simpson Lagoon, Beaufort Sea
P.O. Box 100360
Anchorage, AK 99510

Proposed Permit Coverage:

The Department proposes to reissue a permit for wastewater discharges from the Kuparuk Seawater Treatment Plant into Simpson Lagoon, Beaufort Sea. The facility is located on the mainland shoreline at Olitok Point at the western end of Simpson Lagoon and the eastern side of Harrison Bay in the Beaufort Sea and functions as a treatment and distribution point for waterflood used to maintain formation pressures and enhance oil recovery. The discharge will be permitted to occur from:

• Outfall 001 – Strainer/Filter Backwash

• Outfall 002 – Marine Life Return System

The authorization for Strainer/Filter Backwash discharge (Outfall 001) includes a chronic mixing zone for the change in temperature (ΔT) and total residual chlorine (TRC) as well as an acute mixing zone for TRC. Discharges from the Marine Life Return System (Outfall 002) include a chronic mixing zone for TRC.

Deadline for Written Applicant Review Comments:

The deadline for proposed final permit review comments by the applicant is February 20, 2018 5:00 p.m. Alaska Standard Time.

Administrative Record:

The APDES Preliminary Draft Permit, Fact Sheet, and associated documents are available for public review at the DEC offices located in Anchorage, Fairbanks, Juneau, Wasilla, and Soldotna. Please contact the office of your choice to arrange for hard copies of the documents to be available for your review.

If you would like further information or to see any additional supporting technical documents, contact the permit writer at the address shown on page 1.

The permit documents can be accessed from the ADEC Wastewater Discharge Authorization Program website at http://dec.alaska.gov/water/wastewater/

To receive email notifications about the APDES Program, including when permits are available to review, follow the link below to join the APDES email list.

http://dec.alaska.gov/water/npdes/npdes_email_list.htm

Disability Reasonable Accommodation Notice

The State of Alaska, Department of Environmental Conservation complies with Title II of the Americans with Disabilities Act of 1990. If you are a person with a disability who may need a special accommodation in order to participate in this public process, please contact Natalie Wolfe at (907) 269-0291 or TDD Relay Service 1-800-770-8973/TTY or dial 711 within 10-days of publication of this notice to ensure that any necessary accommodations can be provided.