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Mokelumne Amador Calaveras Forest Resilience Project

Forest thinning, fuels reduction, prescribed fire and watershed improvements across the Mokelumne River forested watershed in the central Sierra Nevada, to restore forest health and resilience to wildfire, insects, disease and drought.1

Facts from USDA Forest Service public records, each linked by number to its source; checked November 13, 2026. Section notes by ePlan.

At a glance

Where
Central Sierra Nevada mountains, in parts of Amador, Calaveras, El Dorado, Tuolumne and Alpine Counties, California, bisected by the North Fork Mokelumne River; Amador and Calaveras Ranger Districts.1
Size
On the Eldorado National Forest: about 29,631 acres of forest thinning, 23,388 acres of fuel reduction, 12,737 acres of fuelbreaks and 118,375 acres of prescribed fire.2
Lead agency
USDA Forest Service, Eldorado National Forest (Amador Ranger District) and Stanislaus National Forest (Calaveras Ranger District)1
Review
Environmental impact statement, with a record of decision for each forest2
Legal citation
7 CFR 1b.8; project page lists the 2021 Infrastructure: Emergency Actions authority1
Status
Completed; decisions signed April 17, 2026 for both forests1

Timeline

  1. NOI in Federal Register1
  2. DEIS NOA in Federal Register1
  3. FEIS NOA in Federal Register1
  4. Decision signed1
  5. Decision signed1

Documents USDA Forest Service published

What the documents say

MAC ENF Record of Decision

Introduction
Explains the project was developed with the Upper Mokelumne River Watershed Authority, uses one joint EIS, and that each forest issues its own decision for its own lands.2
Selected Alternative
Selects Alternative 1 with one change: 172 acres near Upper Blue Lake in Yosemite toad critical habitat become prescribed fire with hand-only site preparation.2
Forest Thinning
Approves about 29,631 acres of thinning, with diameter limits of 20 inches in owl activity centers and 30 inches elsewhere, up to 35 for operability.2
Fuel Reduction
Approves about 23,388 acres of mechanical fuel reduction, including 6,441 acres in California spotted owl protected activity centers.2
Fuelbreaks
Approves 12,737 acres of shaded fuelbreaks, mostly up to 500 feet wide and up to 1,000 feet along Highway 88.2
Use of Herbicides to Maintain Fuelbreaks
Allows glyphosate and triclopyr on up to 300 acres per year to maintain fuelbreaks.2
Prescribed Fire
Approves 118,375 acres of prescribed fire, 52,620 as follow-up treatment and 65,755 as additional primary treatment, with annual acreage depending on staffing, budgets, weather and air quality.2

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More examples

Forest Service NEPA · Eldorado National Forest projects · All Forest Service projects

Sources

  1. Mokelumne Amador Calaveras Forest Resilience Project: Forest Service project pagefs.usda.gov
  2. MAC ENF Record of Decisionusfs-public.app.box.com