• Sunset at Lake Mead's Boulder Basin

    Lake Mead

    National Recreation Area AZ,NV

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  • Important Notice to Mariners

    Lake Mead water elevations will be declining throughout the summer. Before launching, check lake levels, launch ramp conditions, changes to Aids to Navigation and weather conditions by clicking on More »

  • Areas of Park Impacted by Storm Damage

    Strong storms rolled through Lake Mead National Recreation Area Aug. 3-4, causing damage to some areas of the park. Crews are working to restore the below locations. Debris may be present in other areas of the park, as well, especially in the backcountry. More »

  • Goldstrike Canyon, Arizona Hot Spring Trails Temporarily Closed

    A temporary emergency closure is in place for Goldstrike Canyon and Arizona Hot Spring trails within Lake Mead National Recreation Area, beginning Aug. 1. This closure includes National Park Service and Bureau of Reclamation lands. More »

  • Summer Fire Rules in Effect

    Lake Mead NRA is now enforcing summer fire restrictions. Please click 'more' to learn about the rules for fire during our hot, dry season. More »

Environmental Factors

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Over the years, human activities have impacted the natural resources of Lake Mead National Recreation Area in many ways. Humans have introduced non-native plant and animal species into the park, which out compete native flora and fauna for space, food and water. The park is a “living laboratory” that helps us understand how environmental factors have shaped this desert ecosystem and how they may be changing it at present. It also shows the sharp contrast between a less-disturbed ecosystem and the completely human-shaped one in the urban areas nearby.
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Invasive Species

The National Parks including Lake Mead National Recreation Area are home to complex native communities of plants and animals that have developed over millions of years. This natural heritage is threatened by the invasion of exotic plants and animals.

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"Swimmer's Itch"

“Swimmer’s Itch” is the name given to a condition caused by flatworm larva. The naturally occurring parasite needs ducks, snails and warm shallow waters to flourish. It is common in lakes in 30 states. While not a persistent, widespread problem, the “Swimmer’s Itch” parasite is believed to be present in Lakes Mead and Mohave.

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Invasive Species

The Arid Land Restoration Program restores damaged lands within the Lake Mead National Recreation Area.

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Did You Know?

Lake Mead Exotic Plant Management Team

In order to manage invasive plants on park lands, 16 Exotic Plant Management Teams (EPMT's) have been deployed throughout the country. The teams are a new weapon to combat exotic plants. The first test of the EPMT concept was made in 1996 at Lake Mead National Recreation Area. More...