Where is Lewis Smith Lake?

Lewis Smith Lake is a lake in Cullman County, Alabama. Its water-quality measurements are published by ADEM and shown on this page as reported.

How deep is Lewis Smith Lake?

Lewis Smith Lake has a maximum depth of 160.8 feet. The lake covers 19662 acres.

Are there boat ramps on Lewis Smith Lake?

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

Can I fish at Lewis Smith Lake?

Lewis Smith 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 Alabama's fish and wildlife agency, so check its current regulations before you go.

Lewis Smith Lake

Cullman County, Alabama19,662 acresView map Directions

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

Max depth

160.8 ft

Bathymetric survey

Area

19,662 acres

Surface area

Shoreline

537.4 mi

Measured length

Impaired · Mercury
161 ft max depth
Public access

See the measurements Directions Where to stay

Lewis Smith Lake in Cullman County, Alabama has water-quality measurements published by ADEM, shown here as reported. Maximum depth: 160.8 ft. Surface area: 19662 acres.

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Lewis Smith Lake is a 19,662-acre lake in Cullman County, Alabama with a maximum depth of 161 feet. Limited fish-species data available. Public access is available with 1 public boat landing.

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

What Lewis Smith Lake is good for

From access and monitoring records, not editorial picks.

Boat launch1 documented ramp
Deep water160.8 ft surveyed max depth
Big water19,662 acres

Swimming conditions

No reading

Not rated

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

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

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Water quality measurements for Lewis Smith Lake

These are the measurements ADEM publishes for Lewis Smith 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 Lewis Smith Lake

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

Lake Details

Max depth

160.8 ft

Surface area

19,662 acres

Shoreline

537.4 mi

Public access

Yes

Listed by ADEM

Recreation & Access

Boat Landings

Yes

Public Access

Smith Lake ParkPublic

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

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Stays near Lewis Smith Lake

Compare lakeside cabins, hotels, and vacation rentals near Lewis Smith Lake in Cullman County, Alabama — 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.

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Fishing Lewis Smith Lake

→ Lewis Smith Lake fishing regulations (limits, seasons, special rules)

EPA Impairment Status

Lewis Smith Lake is officially listed as impaired under Clean Water Act §303(d) in the 2022 EPA reporting cycle (IR category 5).

Causes of impairment

Mercury

Designated uses not supporting: Fish consumption.

Source: EPA ATTAINS assessment unit AL03160110-0505-103 · Official waterbody report

Nearby Lakes in Cullman County

Lewis Smith Lake3.9 miView →Smith Lake9.8 ft clear7.1 miView →Ingram Arkadelphia Lake10.3 miView →Sportman Lake11.1 miView →Ctmc Lake5.4 ft clear · Eutrophic14.1 miView →Forest Ingram Lake13.7 miView →

Frequently asked questions about Lewis Smith Lake

Where is Lewis Smith Lake?: Lewis Smith Lake is a lake in Cullman County, Alabama. Its water-quality measurements are published by ADEM and shown on this page as reported.
What is the water quality of Lewis Smith Lake?: Lewis Smith Lake in Cullman County, Alabama has water-quality measurements published by ADEM, shown here as reported. Maximum depth: 160.8 ft. Surface area: 19662 acres.
Is Lewis Smith Lake safe to swim in?: Nutrient and algae readings are not a swimming clearance. Lewis Smith Lake is listed impaired under Clean Water Act §303(d) (IR 5) for mercury. Check local advisories before you swim.
How deep is Lewis Smith Lake?: Lewis Smith Lake has a maximum depth of 160.8 feet. The lake covers 19662 acres.
Are there boat ramps on Lewis Smith Lake?: Lewis Smith Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Smith Lake Park. Public access is listed as yes.
Can I fish at Lewis Smith Lake?: Lewis Smith 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 Alabama's fish and wildlife agency, so check its current regulations before you go.