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U.S. EPA Public Notice: proposing to reissue NPDES permits: ConocoPhillips Alaska Kuparuk & BP Exploration-Alaska Prudhoe Bay Seawater Treatment Plants - North Slope

Public Notice

U.S. Environmental Protection Agency (EPA) proposes to reissue
wastewater discharge permits with state certifications for:
Kuparuk and Prudhoe Bay Seawater Treatment Plants

Public comments welcome October 28, 2010 - November 29, 2010

* * Draft permits, fact sheets, draft state certifications are attached
below and available online at www.epa.gov/r10earth/waterpermits.htm

* * This public notice also appears in the Arctic Sounder and Anchorage
Daily News newspapers on October 28, 2010.

EPA is proposing to reissue National Pollutant Discharge Elimination
System (NPDES) (Clean Water Act, 33 U.S.C. ยง 1251 et seq.) permits to
ConocoPhillips Alaska, Inc. for the Kuparuk Seawater Treatment Plant and
to BP Exploration-Alaska, Inc. for the Prudhoe Bay Seawater Treatment
Plant, located on the North Slope, Alaska. The draft Kuparuk permit
(AK-004335-4) reauthorizes discharges from the strainer/filter backwash
system (Outfall 001) and marine life return system (Outfall 002) to
Simpson Lagoon of the Beaufort Sea. The draft Prudhoe Bay permit
(AK-002984-0) reauthorizes discharges from the combined waste stream
(Outfall 001) to Stefansson Sound of the Beaufort Sea. Two waste
streams are no longer discharged from the Prudhoe Bay facility and will
not be authorized under the re-issued permit: the marine life return
system and sanitary/domestic waste water. Both proposed permits include
additional effluent restrictions and monitoring requirements compared to
the existing administratively extended permits.

This notice also serves as public notice for the State of Alaska,
Department of Environmental Conservation (ADEC), draft certifications of
reasonable assurance that the Kuparuk and Prudhoe Bay NPDES permits will
comply with the applicable provisions of Sections 208(e), 301, 302, 303,
306 and 307 of the Clean Water Act. The NPDES permits will not be
reissued until the certification requirements of Section 401 have been
met. For information concerning the state draft 401 certifications,
please contact Marc Bentley (907) 269-6287.

To comment on the tentative determinations contained in the proposed
permits and fact sheets, please submit written comments postmarked by
November 29, 2010. All comments must include the commenter's name,
address and telephone number and a concise statement of the exact basis
of any comment and the relevant facts upon which it is based. Send
written comments and requests to EPA, Attn: Ms. Hanh Shaw, Office of
Water/Watersheds, 1200 6th Ave, Ste 900, OWW-130, Seattle, WA 98101or
email to shaw.hanh@epa.gov or via facsimile to (206) 553-0165.

Written comments on the ADEC state certifications should be sent
postmarked by November 29, 2010, to Alaska Department of Environmental
Conservation, Attn: Mr. Marc Bentley, 555 Cordova St, Anchorage, AK
99501 or email to marc.bentley@alaska.gov.

The draft permits, fact sheets, draft state certifications, and
applications are available at EPA from 9:00a.m.-4:00p.m., Monday-Friday,
at the following locations: EPA Seattle Office, 1200 6th Ave, Seattle,
Washington, (206) 553-1200; EPA Alaska Office, Federal Building, 222 W.
7th Ave, Anchorage, Alaska, (907) 271-5083; EPA website:
www.epa.gov/r10earth/waterpermits.htm.

For more information about the
comment period or to be added to our permits mailing list, contact
Suzanne Skadowski at (206) 553-6689 or skadowski.suzanne@epa.gov.

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