Environmental impact statement · example
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
Documents USDA Forest Service published
- PDF20260715 MAC Project BOPosted August 17, 2026
- PDFMAC ENF ROD MAP1Posted April 17, 2026
- PDFMAC ENF Record of DecisionPosted April 17, 2026
- PDFMAC STF ROD MAP1Posted April 17, 2026
- PDFMAC STF Record of DecisionPosted April 17, 2026
- PDF20260417 MAC-EIS-NOA FederalRegister2026-0753Posted April 17, 2026
- PDF2026 MAC EIS Map3 CumulativeEffectsPosted April 15, 2026
- PDF2026 MAC EIS Map2 NonNativeInvasivePlantsPosted April 15, 2026
- PDF2026 MAC EIS Map1 ProposedActionPosted April 15, 2026
- PDF2026 MAC EIS Vol2 ResponsetoCommentsPosted April 15, 2026
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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Forest Service NEPA · Eldorado National Forest projects · All Forest Service projects
Sources
- Mokelumne Amador Calaveras Forest Resilience Project: Forest Service project pagefs.usda.gov
- MAC ENF Record of Decisionusfs-public.app.box.com