Alamo Lake is a lake in Mohave County, Arizona. Its water-quality measurements are published by ADEQ and shown on this page as reported.

Are there boat ramps on Alamo Lake?

Alamo Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Alamo Lake State Park. Public access is listed as yes.

Can I fish at Alamo Lake?

Alamo Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Seasons, size and bag limits, and whether you need a license are set by Arizona's fish and wildlife agency, so check its current regulations before you go.

Alamo Lake

Mohave County, Arizona3,058 acresView map Directions

No nutrient or algae sampling on record from ADEQ for this lake.

Area

3,058 acres

Surface area

Shoreline

29.2 mi

Measured length

Impaired · Ammonia
Public access

See the measurements Directions Where to stay

Alamo Lake in Mohave County, Arizona has water-quality measurements published by ADEQ, shown here as reported. Surface area: 3058 acres.

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Alamo Lake is a 3,058-acre lake in Mohave County, Arizona. Limited fish-species data available. Public access is available with 1 public boat landing.

Source: EPA Water Quality Portal sampling records, ADEQ. Methodology: how these readings are compared.

What Alamo Lake is good for

From access and monitoring records, not editorial picks.

Boat launch1 documented ramp
Big water3,058 acres

Swimming conditions

No reading

Recreation use not supported

Nutrient and algae readings are not a swimming clearance. Alamo Lake is listed impaired under Clean Water Act §303(d) (IR 5) for ammonia, mercury, pH / acidity. Check local advisories before you swim.

Whether Alamo Lake is safe to swim in today is a call for the Arizona Department of Environmental Quality and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.

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Water quality measurements for Alamo Lake

These are the measurements ADEQ publishes for Alamo Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.

No clarity data. TSI undefined.

Ask about Alamo Lake

Answers come straight from the public measurements and survey records on this page.

Lake Details

Surface area

3,058 acres

Shoreline

29.2 mi

Public access

Yes

Listed by ADEQ

No bathymetric survey has been published for Alamo Lake, so its depth is not documented here.

Recreation & Access

Boat Landings

Yes

Public Access

Alamo Lake State ParkPublic

Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps

Stays via Stay22

Stays near Alamo Lake

Compare lakeside cabins, hotels, and vacation rentals near Alamo Lake in Mohave County, Arizona — live availability and prices for your trip. Switch the map to Satellite to see the lake and how close each stay is to the water.

Top-rated places to stay near Alamo Lake

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Fishing Alamo Lake

→ Alamo Lake fishing regulations (limits, seasons, special rules)

EPA Impairment Status

Alamo Lake is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 5).

Causes of impairment

AmmoniaMercurypH / acidity

Designated uses not supporting: Aquatic life, Fish consumption, Recreation, Other.

Source: EPA ATTAINS assessment unit AZL15030204-0040A_00 · Official waterbody report

Nearby Lakes in Mohave County

Lake Havasu27.1 ft clear43.8 miView →Lake Havasu—View →Lost Lake—View →Beal Lake—View →Topock Marsh Lake—View →Lake Mohave—View →

Frequently asked questions about Alamo Lake

Where is Alamo Lake?: Alamo Lake is a lake in Mohave County, Arizona. Its water-quality measurements are published by ADEQ and shown on this page as reported.
What is the water quality of Alamo Lake?: Alamo Lake in Mohave County, Arizona has water-quality measurements published by ADEQ, shown here as reported. Surface area: 3058 acres.
Is Alamo Lake safe to swim in?: Nutrient and algae readings are not a swimming clearance. Alamo Lake is listed impaired under Clean Water Act §303(d) (IR 5) for ammonia, mercury, pH / acidity. Check local advisories before you swim.
Are there boat ramps on Alamo Lake?: Alamo Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Alamo Lake State Park. Public access is listed as yes.
Can I fish at Alamo Lake?: Alamo Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Seasons, size and bag limits, and whether you need a license are set by Arizona's fish and wildlife agency, so check its current regulations before you go.