Environmental Assessment · Covelo Ranger District · updated 5/7/2026 · decision 6/2024 (Estimated)
Portions of Sections 4, 6, 8, 9 of Township 22 North, Range 10 West, and portion of Section 31, Township 23 North, Range 10 West, Mount Diablo Base and Meridian. · Mendocino, California
The Mendocino National Forest is proposing a land exchange in the eastern portion of Mendocino County just west of Forest Highway 7 and Mendocino Pass. The Forest Service would acquire 561.66 acres of private land from the McIsaac Ranch and would transfer 560 acres of National Forest System lands.
Land acquisition
NEPA Start Date
6/26/2023
Project documents
Environmental Assessment · Mendocino National Forest · updated 5/1/2026 · decision 4/2027 (Estimated)
Mendocino National Forest All Units; Butte; Colusa; Glenn; Lake; Mendocino; Tehama · Butte; Colusa; Glenn; Lake; Mendocino; Tehama; Trinity, California
The purpose of this project is to reduce the extent and spread of invasive plant infestations that threaten wildland values in a timely and cost-effective manner, while protecting human health and ecosystem functions.
Vegetation management (other than forest products)Wildlife, fish, rare plants
NEPA Start Date
4/23/2026
Project documents
Categorical Exclusion · Upper Lake Ranger District · updated 4/28/2026 · decision 3/2026 (Estimated)
T19N, R9W, Sec 3 SE. 55 miles north of Upper Lake, Ca. · Lake, California
Replacement of current 12' diameter culvert which is starting to fail. The structure will also be aquatic organism passable.
Road managementWatershed managementWildlife, fish, rare plants
NEPA Start Date
10/1/2025
NEPA / regulatory detail
| Categorical Exclusion | USDA-40d-USFS |
Categorical Exclusion · Grindstone Ranger District · updated 4/28/2026 · decision 3/2026 (Estimated)
The Project is located north of Whitlock Campground and approximately 12 miles northwest of Paskenta in Tehama County, California. · Tehama, California
909 acres mechanical ground-based commercial thinning and fuels reduction (mastication, machine piling, manual piling, burning). Site preparation (mastication, machine piling, manual piling, burning) and reforestation of approximately 140 acres.
Forest productsFuels managementRegulations, directives, ordersVegetation management (other than forest products)
NEPA Start Date
9/17/2025
NEPA / regulatory detail
| Categorical Exclusion | USDA-47d-USFS |
Categorical Exclusion · Upper Lake Ranger District · updated 4/23/2026 · decision 3/2026 (Estimated)
Approximately 10 miles north of Upper Lake, CA and seven miles south-east of Lake Pillsbury. · Lake, California
The purpose is to improve the health of residual forest stands by thinning and burning dense plantations to make them more resilient to disturbances such as insect, disease, and wildfire.
Forest productsFuels management
NEPA Start Date
10/1/2025
NEPA / regulatory detail
| Categorical Exclusion | USDA-30d-USFS |
Environmental Assessment · Mendocino National Forest All Units · updated 4/16/2026
Invasive plants within the Mendocino National Forest. · Colusa; Glenn; Lake; Mendocino; Tehama, California
The purpose of this project is to reduce the extent and spread of invasive plant infestations that threaten wildland values in a timely and cost-effective manner, while protecting human health and ecosystem functions.
Wildlife, fish, rare plantsVegetation management (other than forest products)
Comment Period
04/2026 (Estimated)
Objection Period Start
06/2026 (Estimated)
Decision
08/2026 (Estimated)
Implementation
09/2026 (Estimated)
Project documents
NEPA / regulatory detail
| Special Authority | Not Applicable / Other |
| Notice and Comment Regulation | 218 (2013) Non-HFRA |
| Project Activity | Noxious Weed Treatments |
| Forests | Mendocino National Forest |
| Districts | Mendocino National Forest All Units |
| Legal Land Description | Not Applicable |
Categorical Exclusion · Upper Lake Ranger District · updated 2/12/2026
Near Penny Pines Campground. Trail 15 within Central Valley Waterboard (this excludes the northern most section of trail 15, north of road 17N99). T17N, R10W. Sec 23, 25 · Lake, California
The ULRD proposes to install culverts or harden OHV crossings that are currently unimproved on Trail 15. Properly designed drainage structures will reduce hydrologic connectivity between trails to the watershed. https://usfs-public.box.com/s/pu0y8gc19rx3kyznncc55t5dax0kc95a
Recreation managementWatershed management
NEPA Start Date
1/19/2026
Finding/Decision Date
2/10/2026
NEPA / regulatory detail
| Categorical Exclusion | USDA-40d-USFS |
| Decision Signed Date | 2/10/2026 |
Decision Memo · Upper Lake Ranger District · updated 9/4/2025
T19N, R9W, Sec 3 SE. 55 miles north of Upper Lake, Ca. · Lake, California
Replacement of current 12' diameter culvert which is starting to fail. The structure will also be aquatic organism passable.
Wildlife, fish, rare plantsWatershed managementRoad management
Scoping Start
10/2025 (Estimated)
Decision
12/2025 (Estimated)
Implementation
12/2025 (Estimated)
Project documents
NEPA / regulatory detail
| Special Authority | Not Applicable / Other |
| Notice and Comment Regulation | Not Subject to Regulations |
| Project Activity | Species Habitat Improvements; Road Maintenance; Watershed Improvements |
| Forests | Mendocino National Forest |
| Districts | Upper Lake Ranger District |
| Legal Land Description | Not Applicable |
Decision Memo · Mendocino National Forest All Units · updated 8/14/2025
Upper Thomes Watershed · Tehama, California
The Mendocino National Forest plans to restore approximately 2,000 acres of mixed conifer forest habitat in the Upper Thomes project area.
Vegetation management (other than forest products)
Decision
08/2025 (Estimated)
Implementation
09/2025 (Estimated)
Project documents
NEPA / regulatory detail
| Categorical Exclusion | 32.2 (5), 36 Cfr 220.6(E)(5); 32.2 (6), 36 Cfr 220.6(E)(6) |
| Special Authority | Not Applicable / Other |
| Notice and Comment Regulation | Not Subject to Regulations |
| Project Activity | Forest Vegetation Improvements |
| Forests | Mendocino National Forest |
| Districts | Grindstone Ranger District |
| Legal Land Description | Not Applicable |
Decision Memo · Mendocino National Forest All Units · updated 9/24/2014
Benmore Trail · Lake, California
Reroute ~100 feet of foot trail out of drainage to reduce erosion
Recreation management
Decision
09/2014 (Estimated)
Implementation
11/2014 (Estimated)
Project documents
NEPA / regulatory detail
| Categorical Exclusion | 32.12 (4), 36 Cfr 220.6(D)(4) |
| Special Authority | Not Applicable / Other |
| Notice and Comment Regulation | Not Subject to Regulations |
| Project Activity | Trail Management |
| Decision Decided Date | 09/24/2014 |
| Forests | Mendocino National Forest |
| Districts | Upper Lake Ranger District |
| Legal Land Description | Sec 32, 33 T17N R10W |
Decision Memo · Mendocino National Forest All Units · updated 9/24/2014
Middle Creek Campground · Lake, California
Decommission vault toilet and convert to double campsite
Recreation managementFacility management
Decision
09/2014 (Estimated)
Implementation
10/2014 (Estimated)
Project documents
NEPA / regulatory detail
| Categorical Exclusion | 32.12 (5), 36 Cfr 220.6(D)(5) |
| Special Authority | Not Applicable / Other |
| Notice and Comment Regulation | Not Subject to Regulations |
| Project Activity | Developed Site Management; Facility Improvements/Construction; Facility Maintenance |
| Decision Decided Date | 09/24/2014 |
| Forests | Mendocino National Forest |
| Districts | Upper Lake Ranger District |
| Legal Land Description | Sec 10 T16N R10W |
Decision Memo · Mendocino National Forest All Units · updated 9/24/2014
Plaskett Meadows Campground · Glenn, California
Repair the existing water system for the Plaskett Meadows Campground
Recreation management
Decision
09/2014 (Estimated)
Implementation
08/2014 (Estimated)
Project documents
NEPA / regulatory detail
| Categorical Exclusion | 32.12 (5), 36 Cfr 220.6(D)(5) |
| Special Authority | Not Applicable / Other |
| Notice and Comment Regulation | Not Subject to Regulations |
| Project Activity | Developed Site Management |
| Decision Decided Date | 09/24/2014 |
| Forests | Mendocino National Forest |
| Districts | Grindstone Ranger District |
| Legal Land Description | T22N R9W Sec 26 |