| October | Children's Health Month 
| Nationwide |
| October | World Water Monitoring Days
| Worldwide |
| October 26-29 | Conference: Northwest Salmonid Recovery Conference, Seattle
| Pacific Northwest |
| October 27 | Workshop: Idaho Stream and Wetland Regulations , Boise, Idaho
| Idaho |
| October 27 | Public Meeting: Midnite Mine Superfund Site Wellpinit, Washington
| Washington |
| November 1 | Comment Period Ends: draft Underground Injection Control (UIC) permit and associated aquifer exemption for BP Exploration (Alaska) to construct and operate of one Class I non-hazardous industrial waste injection well at the Milne Point Unit about 10 miles northwest of the main Prudhoe Bay field complex.
| Alaska |
| November 2 | Workshop: Idaho Stream and Wetland Regulations , Salmon, Idaho
|  |
| November 2 | Extended Comment Period Ends: EPA invites public comments on the draft NPDES permit for the US Coast Guard Integrated Support Command Kodiak, discharging to St. Paul Harbor on Kodiak Island near Kodiak, Alaska.
| Alaska |
| November 3 | Workshop: Idaho Stream and Wetland Regulations , Idaho Falls, Idaho
| Idaho |
| November 3 | Workshop: Brownfield Grant Writing, Wenatchee, Washington
| Washington |
| November 4 | Workshop: Idaho Stream and Wetland Regulations , Twin Falls, Idaho
| Idaho |
| November 9 | Workshop: Idaho Stream and Wetland Regulations , Sand Point, Idaho
| Idaho |
| November 10 | Workshop: Idaho Stream and Wetland Regulations , Lewiston, Idaho
| Idaho |
| November 12 | Grant Applications Due: Brownfields Grants
| Pacific Northwest |
| November 15 | America Recycles Day | Nationwide |
| November 15 | Grant Applications Due: Environmental Education Grants
| Nationwide |
| November 26 | Comment Period Ends: EPA invites public comment on its modification of the NPDES Permit issued to Alyeska Pipeline Service Company for discharge from the Valdez Marine Terminal, Valdez, Alaska.
| Alaska |
| November 26 | Comment Period Ends: EPA invites public comment on its reissuance of NPDES Permits for the Cities of Grangeville, Inkom, Lava Hot Springs, Montpelier, & Wilder and for Elk Valley Subdivision and Southside Water & Sewer District, all in Idaho.
| Idaho |
| November 29 | Comment Period Ends: EPA invites public comment on its reissuance of an NPDES permit to Kennecott Greens Creek Mine, Admiralty Island, Alaska
| Alaska |
| December 1 | Grant Applications Due: Indian General Assistance Program (GAP)
| Pacific Northwest and Alaska |
| December 2 | Public Comment Ends: EPA proposes two NPDES permits for municipal storm sewer systems to discharge into Chena River and other nearby waters in the greater Fairbanks Alaska area.
| Alaska |
| December 15 | Grant Applications Due: Regional Geographic Initiative
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