25,000 Pounds of Debris. One Lake. What It Takes to Actually Clean a Freshwater Lakebed.

Lake Tahoe is not supposed to look like this.

The lake has some of the clearest water in North America: legendary visibility, a tourism economy built around its appearance, decades of environmental protection that have made it a symbol of what a healthy mountain lake can be. And beneath its surface, a Sierra Nevada-based dive team spent years pulling out 25,000 pounds of submerged litter and debris from the lakebed.

A new documentary called 72 Miles follows that team as they completed the first full underwater cleanup of Lake Tahoe’s entire 72-mile shoreline. The film premiered in April 2026 at the Lake Tahoe Documentary Film Festival. It is worth paying attention to, because what it documents at Tahoe is not an anomaly. It is the rule.

What the Bottom of a “Clean” Lake Actually Holds

The team behind 72 Miles is the nonprofit Clean Up The Lake, based in the Sierra Nevada. The project was not a weekend effort. It stretched across years, with divers working through frozen shorelines, record-breaking snowfall, and wildfire evacuations, all while conducting physically demanding dives in cold, high-elevation water.

What they found reflects an uncomfortable truth about recreational freshwater lakes: the pollution is largely invisible from above. Boats go out, accidents happen, gear gets lost, debris washes in, and it all settles on the bottom where no one sees it. Over years and decades, that accumulation becomes significant. Twenty-five thousand pounds of submerged material, in a lake that is actively managed and closely watched, at a destination that draws millions of visitors specifically because it looks pristine.

The film’s core argument is exactly right: if this is what a protected, high-profile lake like Tahoe is holding, every less-scrutinized freshwater lake in the American West is holding more.

The Debt Accumulated Below the Surface

Underwater debris is not a passive problem. It is an active one.

Submerged vehicles, vessels, and debris leach fluid into the water column over time. Engine oil, hydraulic fluid, battery acid, fuel: none of it stays contained in a car that has been sitting on a lakebed for a decade. They migrate. In shallow systems, storm events and seasonal turnover cycle sediment-bound contaminants back into the water column where fish and aquatic organisms encounter them.

The scale documented at Tahoe, a lake with exceptional water quality protections, makes the case for systematic lakebed surveys everywhere. If Tahoe needs this work, Utah’s lakes and reservoirs need it too. Utah Lake, Yuba Reservoir, Deer Creek, Strawberry, the Jordan River corridor: these water bodies carry heavier recreational use, less stringent water quality oversight, and decades of incidents that left debris behind without any organized recovery effort.

What Fathom Restoration Is Building in Utah

Fathom Restoration is a disabled-veteran-led Utah 501(c)(3) nonprofit with the same core mission as Clean Up The Lake: find what is submerged in our waterways, document it, and bring it up.

We are not yet operating at the scale of a 72-mile survey. We are building toward it: the partnerships, equipment, and crews to survey and clear lakebeds across Utah’s most impacted water bodies. The model documented in 72 Miles (a small, committed team, sonar survey capability, methodical mile-by-mile work) is the model that produces results.

The team that cleaned Tahoe proved something important: the scale of the problem is not an argument against starting. It is an argument for getting started sooner.

72 Miles is the kind of film that makes a compelling case not just for Lake Tahoe but for every freshwater lake in the country that no one has ever thought to look beneath. If you care about water quality in the American West, it is worth watching.

The work it documents is exactly the work we are doing in Utah.

Fathom Restoration is a disabled-veteran-led Utah 501(c)(3) nonprofit dedicated to lake cleanup and the recovery of submerged vehicles, vessels, and debris from Utah’s lakes and waterways. Donate / Volunteer / Report a vehicle at fathomrestoration.org.

Source: https://southtahoenow.com/04/16/2026/clean-up-the-lake-documentary-to-premiere-at-lake-tahoe-documentary-film-festival