PolicyBrief
S. 1476
119th CongressApr 10th 2025
M.H. Dutch Salmon Greater Gila Wild and Scenic River Act
IN COMMITTEE

This bill designates specific segments of New Mexico's Gila River system as protected Wild and Scenic Rivers while adjusting the boundaries between the Gila Cliff Dwellings National Monument and the Gila National Forest.

Martin Heinrich
D

Martin Heinrich

Senator

NM

LEGISLATION

Gila River Protections Lock Down 400+ Miles of Waterways, Ban Future Mining Claims on Federal Land

The M.H. Dutch Salmon Greater Gila Wild and Scenic River Act is a big deal for environmental conservation in New Mexico. Essentially, this bill takes huge chunks of the Gila River system—including the Gila River itself and dozens of its tributaries like Diamond Creek and Apache Creek—and officially adds them to the National Wild and Scenic Rivers System. This designation is the policy equivalent of putting a ‘Do Not Disturb’ sign on these waterways, protecting them from future development.

The 'Wild and Scenic' Status: What It Actually Means

When a river segment gets the Wild and Scenic designation, it’s not just a nice title; it comes with serious restrictions on federal land. The core action here is that all federal lands within the boundaries of these newly protected river segments are immediately withdrawn from certain activities. This means you can’t stake new claims under mining laws, you can’t get patents on the land, and the land cannot be leased for mineral or geothermal resource extraction. For anyone looking to develop energy or extract resources on federal land along these rivers, the window is officially closed.

Crucially, the bill splits these segments into three categories—wild, scenic, or recreational—which dictates how they must be managed. For example, a 10.5-mile stretch of Apache Creek is designated as “wild,” meaning it must be preserved in its primitive state. The relevant federal agencies (Forest Service or BLM) must now create comprehensive management plans for all these segments, and they have to consult with Tribal governments and local New Mexico officials while doing it. This is a massive project that will shape land use in this area for decades.

Protecting Existing Rights (The Grandfather Clause)

If you’re a rancher with a grazing permit, a water utility with existing infrastructure, or a miner with a valid, existing claim, take a deep breath: this bill explicitly protects your rights. The designation does not wipe out any valid existing contracts, leases, or water rights. If you already have a right to use water, or if the State of New Mexico manages water rights in the area, this new law doesn't touch that. This is the bill’s way of balancing conservation with the economic realities of people already living and working in the area, ensuring that new environmental protections don't suddenly yank the rug out from under existing operations.

Moving the Boundary Lines

Beyond the river protections, the bill also clears up some administrative clutter by adjusting boundaries between the Gila Cliff Dwellings National Monument and the Gila National Forest. Specifically, about 440 acres of land currently managed by the Forest Service (Agriculture) is being transferred to the National Park Service (Interior) to be included within the National Monument. This is mostly an internal federal transfer, but it ensures that the Monument’s boundaries are more logical and that the National Park Service can manage the area as a cohesive unit. This is the kind of administrative cleanup that makes managing public lands easier and clearer for visitors and staff alike.