How deep is Hoover Dam Aggregate Plant (Lake Mead)?

Hoover Dam Aggregate Plant (Lake Mead) ranges from 21.3 to 30.5 metres deep (70–100 feet) — a deep dive at its limit. It is a freshwater site rated as advanced difficulty. Depths vary across the site, so plan your profile to your training and verify conditions locally.

Is Hoover Dam Aggregate Plant (Lake Mead) a shore dive or a boat dive?

Hoover Dam Aggregate Plant (Lake Mead) is a boat dive — access is by boat rather than from shore. The entry area is recorded as sheltered from surge. No facilities are recorded at the site, and cell service is recorded as good. Entry details and parking notes, where known, are listed in the access section of this page.

Can beginners dive Hoover Dam Aggregate Plant (Lake Mead)?

Hoover Dam Aggregate Plant (Lake Mead) is rated as advanced difficulty, which may not suit new divers. Listed depths run from 21.3 to 30.5 metres (70–100 feet). Access is by boat. Consider your experience level, conditions, and local guidance before planning.

When is the best time to dive Hoover Dam Aggregate Plant (Lake Mead)?

The best time to dive Hoover Dam Aggregate Plant (Lake Mead) is typically Winter for 100 ft+ visibility and deeper lake levels. Conditions vary, so check the latest reports and forecasts on the dive site page before your trip.

What will I see at Hoover Dam Aggregate Plant (Lake Mead)?

Divers at Hoover Dam Aggregate Plant (Lake Mead) in United States commonly report sightings of Channel catfish, Bluegill, Freshwater sponge, Quagga mussel, and Common carp. Channel catfish, Bluegill, Freshwater sponge, Quagga mussel, and Common carp are recorded as common sightings. Marine life varies by season and conditions—check the site page for recent diver observations and photos.

Map of Hoover Dam Aggregate Plant (Lake Mead)

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AdvancedBoat entry

Hoover Dam Aggregate Plant (Lake Mead)

Nevada, United States

AOW suggested21–31 m depthBoat entry

Boat dive — see Entry & access.

Hoover Dam Aggregate Plant (Lake Mead) at a glance

Hoover Dam Aggregate Plant (Lake Mead) is an advanced boat dive site in Nevada, United States with depths of 21.3–30.5 m (70–100 ft). Typically most favorable Dec · from 3 years of archive data. Divers commonly see Channel catfish, Bluegill, and Freshwater sponge. Check the latest conditions and entry details before you go.

Wind model · graded 2h ago

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Tap a factor for its source and model point

Site hazards: Depth, fine silt, entanglement on structures, overhead environments in tunnels and underground rooms, fluctuating lake levels

Read the full hazards ↓

Dive windows this week

Best: Thu

Fri14:00–15:00

Sat16:00–19:00

Sun7:00–11:00

Mon7:00–13:00

Tue7:00–8:00

Wed7:00–11:00

Thu7:00–19:00

Favorable windowModerate window— no window

First light 5:53 · Sunrise 6:18 · Sunset 18:52

Source: Open-Meteo wind · graded 2h ago

Forecast only — always assess conditions on site.

Recent diver reports

Dated firsthand observations from divers — not current conditions.

No diver reports for this site yet. — one dated observation helps every diver after you.

Dived here today — did the forecast match?

What Divers Say

Known for: Channel catfish, Bluegill, Freshwater sponge

Best time: Winter for 100 ft+ visibility and deeper lake levels

Based on community reviews and site data. Conditions vary — always verify before diving.

Best months, historically

What conditions have historically been typical at this site, month by month — not a forecast.

Jan88% 9 kn
Feb80% 10 kn
Mar67% 12 kn
Apr76% 12 kn
May80% 12 kn
Jun77% 12 kn
Jul80% 12 kn
Aug83% 11 kn
Sep86% 10 kn
Oct84% 10 kn
Nov88% 8 kn
Dec97% 6 kn

December hastypically had the largest share of favorable days here. Conditions vary year to year — this is historical context, not a forecast.

Based on 3 years of archive data. Bar height shows the share of days each month whose conditions have historically scored favorably.

Marine life seen at this site

Species noted at this site — not a promise of what you’ll encounter.

Species seen here

Fills & rentals nearby

No dive shops mapped within 25 km. Know one? Add it to the map.

Data updated June 2026

Site details

The submerged remains of the aggregate washing and classification plant that processed more than 6.5 million tons of sand and gravel for Hoover Dam's concrete, flooded when Lake Mead filled. The site spreads over roughly 8 acres of Boulder Basin and includes train tracks, a track hopper, tunnels, underground rooms and massive sorted aggregate piles. Local operators dive it as two separate sites (the Track Hopper and the Aggregate Piles) at about 70-100 ft, normally by boat charter; winter visibility can exceed 100 ft.

boat

Depth, fine silt, entanglement on structures, overhead environments in tunnels and underground rooms, fluctuating lake levels

Reviews

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