36 C.F.R. § 220.6
(a) General. A proposed action may be categorically excluded from further analysis and documentation in an EIS or EA only if there are no extraordinary circumstances related to the proposed action and if:
(b) Resource conditions.
(1) Resource conditions that should be considered in determining whether extraordinary circumstances related to a proposed action warrant further analysis and documentation in an EA or an EIS are:
(d) Categories of actions for which a project or case file and decision memo are not required. A supporting record and a decision memo are not required, but at the discretion of the responsible official, may be prepared for the following categories:
(1) Orders issued pursuant to 36 CFR part 261—Prohibitions to provide short-term resource protection or to protect public health and safety. Examples include but are not limited to:
(2) Rules, regulations, or policies to establish servicewide administrative procedures, program processes, or instructions. Examples include but are not limited to:
(3) Repair and maintenance of administrative sites. Examples include but are not limited to:
(4) Repair and maintenance of roads, trails, and landline boundaries. Examples include but are not limited to:
(5) Repair and maintenance of recreation sites and facilities. Examples include but are not limited to:
(6) Acquisition of land or interest in land. Examples include but are not limited to:
(7) Sale or exchange of land or interest in land and resources where resulting land uses remain essentially the same. Examples include but are not limited to:
(8) Approval, modification, or continuation of minor, short-term (1 year or less) special uses of NFS lands. Examples include, but are not limited to:
(9) Issuance of a new permit for up to the maximum tenure allowable under the National Forest Ski Area Permit Act of 1986 (16 U.S.C. 497b) for an existing ski area when such issuance is a purely ministerial action to account for administrative changes, such as a change in ownership of ski area improvements, expiration of the current permit, or a change in the statutory authority applicable to the current permit. Examples include, but are not limited to:
(11) Issuance of a new special use authorization to replace an existing or expired special use authorization, when such issuance is to account only for administrative changes, such as a change in ownership of authorized improvements or expiration of the current authorization, and where there are no changes to the authorized facilities or increases in the scope or magnitude of authorized activities. The applicant or holder must be in compliance with all the terms and conditions of the existing or expired special use authorization. Subject to the foregoing conditions, examples include but are not limited to:
(12) Issuance of a new authorization or amendment of an existing authorization for recreation special uses that occur on existing roads or trails, in existing facilities, in existing recreation sites, or in areas where such activities are allowed. Subject to the foregoing condition, examples include but are not limited to:
(e) Categories of actions for which a project or case file and decision memo are required. A supporting record is required and the decision to proceed must be documented in a decision memo for the categories of action in paragraphs (e)(1) through (25) of this section. As a minimum, the project or case file should include any records prepared, such as: The names of interested and affected people, groups, and agencies contacted; the determination that no extraordinary circumstances exist; a copy of the decision memo; and a list of the people notified of the decision. If the proposed action is approval of a land management plan, plan amendment, or plan revision, the plan approval document required by 36 CFR part 219 satisfies the decision memo requirements of this section.
(1) Construction and reconstruction of trails. Examples include, but are not limited to:
(2) Additional construction or reconstruction of existing telephone or utility lines in a designated corridor. Examples include, but are not limited to:
(3) Approval, modification, or continuation of special uses that require less than 20 acres of NFS lands. Subject to the preceding condition, examples include but are not limited to:
(5) Regeneration of an area to native tree species, including site preparation that does not involve the use of herbicides or result in vegetation type conversion. Examples include, but are not limited to:
(6) Timber stand and/or wildlife habitat improvement activities that do not include the use of herbicides or do not require more than 1 mile of low standard road construction. Examples include, but are not limited to:
(7) Modification or maintenance of stream or lake aquatic habitat improvement structures using native materials or normal practices. Examples include, but are not limited to:
(8) Short-term (1 year or less) mineral, energy, or geophysical investigations and their incidental support activities that may require cross-country travel by vehicles and equipment, construction of less than 1 mile of low standard road, or use and minor repair of existing roads. Examples include, but are not limited to:
(9) Implementation or modification of minor management practices to improve allotment condition or animal distribution when an allotment management plan is not yet in place. Examples include, but are not limited to:
(11) Post-fire rehabilitation activities, not to exceed 4,200 acres (such as tree planting, fence replacement, habitat restoration, heritage site restoration, repair of roads and trails, and repair of damage to minor facilities such as campgrounds), to repair or improve lands unlikely to recover to a management approved condition from wildland fire damage, or to repair or replace minor facilities damaged by fire. Such activities:
(12) Harvest of live trees not to exceed 70 acres, requiring no more than 1/2 mile of temporary road construction. Do not use this category for even-aged regeneration harvest or vegetation type conversion. The proposed action may include incidental removal of trees for landings, skid trails, and road clearing. Examples include, but are not limited to:
(13) Salvage of dead and/or dying trees not to exceed 250 acres, requiring no more than 1/2 mile of temporary road construction. The proposed action may include incidental removal of live or dead trees for landings, skid trails, and road clearing. Examples include, but are not limited to:
(14) Commercial and non-commercial sanitation harvest of trees to control insects or disease not to exceed 250 acres, requiring no more than 1/2 mile of temporary road construction, including removal of infested/infected trees and adjacent live uninfested/uninfected trees as determined necessary to control the spread of insects or disease. The proposed action may include incidental removal of live or dead trees for landings, skid trails, and road clearing. Examples include, but are not limited to:
(17) Approval of a Surface Use Plan of Operations for oil and natural gas exploration and initial development activities, associated with or adjacent to a new oil and/or gas field or area, so long as the approval will not authorize activities in excess of any of the following:
(18) Restoring wetlands, streams, riparian areas or other water bodies by removing, replacing, or modifying water control structures such as, but not limited to, dams, levees, dikes, ditches, culverts, pipes, drainage tiles, valves, gates, and fencing, to allow waters to flow into natural channels and floodplains and restore natural flow regimes to the extent practicable where valid existing rights or special use authorizations are not unilaterally altered or canceled. Examples include but are not limited to:
(19) Removing and/or relocating debris and sediment following disturbance events (such as floods, hurricanes, tornados, mechanical/engineering failures, etc.) to restore uplands, wetlands, or riparian systems to pre-disturbance conditions, to the extent practicable, such that site conditions will not impede or negatively alter natural processes. Examples include but are not limited to:
(20) Activities that restore, rehabilitate, or stabilize lands occupied by roads and trails, including unauthorized roads and trails and National Forest System roads and National Forest System trails, to a more natural condition that may include removing, replacing, or modifying drainage structures and ditches, reestablishing vegetation, reshaping natural contours and slopes, reestablishing drainage-ways, or other activities that would restore site productivity and reduce environmental impacts. Examples include but are not limited to:
(21) Construction, reconstruction, decommissioning, relocation, or disposal of buildings, infrastructure, or other improvements at an existing administrative site, as that term is defined in section 502(1) of Public Law 109-54 (119 Stat. 559; 16 U.S.C. 580d note). Examples include but are not limited to:
(22) Construction, reconstruction, decommissioning, or disposal of buildings, infrastructure, or improvements at an existing recreation site, including infrastructure or improvements that are adjacent or connected to an existing recreation site and provide access or utilities for that site. Recreation sites include but are not limited to campgrounds and camping areas, picnic areas, day use areas, fishing sites, interpretive sites, visitor centers, trailheads, ski areas, and observation sites. Activities within this category are intended to apply to facilities located at recreation sites managed by the Forest Service and those managed by concessioners under a special use authorization. Examples include but are not limited to:
(23) Road management activities on up to 8 miles of NFS roads and associated parking areas. Activities under this category cannot include construction or realignment. Examples include but are not limited to:
(24) Construction and realignment of up to 2 miles of NFS roads and associated parking areas. Examples include but are not limited to:
(25) Forest and grassland management activities with a primary purpose of meeting restoration objectives or increasing resilience. Activities to improve ecosystem health, resilience, and other watershed and habitat conditions may not exceed 2,800 acres.
(i) Activities to meet restoration and resilience objectives may include, but are not limited to:
(ii) The following requirements or limitations apply to this category:
(f) Decision memos. The responsible official shall notify interested or affected parties of the availability of the decision memo as soon as practical after signing. While sections may be combined or rearranged in the interest of clarity and brevity, decision memos must include the following content:
(1) A heading, which must identify:
(2) Decision to be implemented and the reasons for categorically excluding the proposed action including:
[73 FR 43093, July 24, 2008, as amended at 78 FR 56163, Sept. 12, 2013; 85 FR 73631, Nov. 19, 2020]