Two Unknown Cars: What a Sonar Search Found at Pineview Reservoir

In late 2022, two high-profile search groups brought sonar technology to Pineview Reservoir near Ogden. Adventures with Purpose, an Oregon-based dive search and recovery team with a large online following, joined forces with Utah’s Diesel Brothers, the Discovery Channel personalities known for heavy equipment work and deep roots in the state. Over three days they scanned several bodies of water as part of a search operation.

The sonar sweep of Pineview turned up two vehicles resting on the lakebed. Neither was connected to the search. Two cars, sitting on the bottom of the reservoir, unknown until that moment. Nobody had reported them. Nobody was looking for them. They existed in the cold, dark water until a sonar beam happened to find them.

This is a pattern Utah’s reservoirs keep repeating. Every time someone looks closely, they find something unexpected. Every sonar sweep, every draining, every drought-induced water drop reveals debris that had been accumulating quietly and invisibly. The 1992 Pineview draining exposed stolen cars and a safe. A 2014 sonar test found five vehicles. This search added two more. The lakebed is not empty.

Submerged cars are not inert. Fuel, motor oil, transmission fluid, and battery acid leach into the water over time, and rusting steel and heavy metals break down into the sediment that fish and waterfowl depend on. A single vehicle can foul its surroundings for years. Multiply that by the number sitting undiscovered across Utah’s reservoirs, and the scale of the problem comes into focus.

The search also highlighted something both powerful and frustrating. The technology and the trained personnel to run these surveys exist, but they operate case by case, traveling across the country only when circumstances align. Purpose-built underwater search operations routinely produce results that law enforcement dive teams are rarely resourced or tasked to pursue. It is not a question of skill. It is a question of time, funding, and specialized equipment.

Sonar keeps proving the debris is there. What Utah’s reservoirs still lack is a consistent, organized way to survey the lakebeds and bring up what the scans find. Until that exists, the count of hidden vehicles will keep climbing one accidental discovery at a time.

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Source: https://kutv.com/news/local/youtube-stars-come-together-to-search-for-missing-utahn-adventures-with-purpose-diesel-brothers-pineview-reservoir-ogden-shane-strong