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LakeQuality

Holt Lake

Tuscaloosa County, Alabama3,300 acresView mapDirections

D
Nutrient-rich

Nutrients and algae run above the regional average.

↓ down from B at the last regrade

Water temp
No reading
No gauge
Clarity
4.7 ft
Secchi · sampled 2024
Level
No reading
No gauge
Trend
Declining
4 years of samples
  • Eutrophic
  • #9 of 9 in the county
  • Public access

Holt Lake in Tuscaloosa County, Alabama has a water quality grade of D (Nutrient-rich). Water clarity: 4.7 ft visibility. Phosphorus: 21 µg/L. Chlorophyll-a (algae): 14.7 µg/L. Surface area: 3300 acres.

Clarity
4.7 ft
Area
3,300 acres
Type
Eutrophic
Phosphorus
21 µg/L
Chlorophyll-a
14.7 µg/L
Trend
Declining
Public access
Yes
Loading map…

Stays via Stay22

Stays near Holt Lake

Compare lakeside cabins, hotels, and vacation rentals near Holt Lake in Tuscaloosa 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. The water-quality grade measures nutrients and algae, not lodging — cabins and rentals around Holt Lake are listed below.

Top-rated places to stay near Holt Lake

Prices for Sep 11–13, 4 adults. Change dates on the map below.

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Planning a whole trip? See where to stay at Alabama’s top lakes →

Watch Holt Lake’s letter

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Holt Lake is a 3,300-acre productive, nutrient-rich eutrophic lake in Tuscaloosa County, Alabama. Water quality is graded D based on 2 sampling years through 2024. Overall water quality is declining over recent sampling years. Limited fish-species data available. Public access is available with 3 public boat landings. Compared to the 8 other monitored lakes in Tuscaloosa County, Holt Lake ranks #9 for water quality.

Source: EPA Water Quality Portal sampling records, ADEM, last sampled 2024-10-23. Grade methodology: LakeQuality methodology.

What Holt Lake is good for

From access and monitoring records, not editorial picks.

  • Boat launch3 documented ramps
  • Big water3,300 acres

Swimming Safety

Grade only

Elevated nutrients

Based on clarity and algae grades from past sampling — we do not hold live water temperature and a current cyanobacteria reading for this lake. Check your state or county health department before you swim.

The D is nutrients and algae, not a swimming clearance. Check local advisories before you swim.

Get alerts for Holt Lake

Water Quality Grade: D (Nutrient-rich)

Murky, only visible to about 4.7 ft. Phosphorus 21 µg/L. Chlorophyll-a 14.7 µg/L. TSI 53. The letter is not a swimming clearance.

MetricValueGrade
Water Clarity (Secchi Depth)4.7 ftNot graded
Phosphorus21 µg/LFair
Chlorophyll-a (Algae)14.7 µg/LPoor
Trophic State Index (TSI)53Eutrophic

High nutrients, frequent algae, reduced clarity

Lake Details

CharacteristicValue
Surface Area3,300 acres
Public AccessYes

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

Recreation & Access

3
Boat Landings
Yes
Public Access
  • Deerlick CreekPublic
  • Rock Quarry LandingPublic
  • Eagle Cove MarinaSemi-private

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

Fishing Holt Lake

Based on 4 years of monitoring data (2020-2025).

MetricTrendChange/YearYears
Water Clarity Stable-0.021 m/yr4
Phosphorus Stable+0.21 µg/L/yr4
Chlorophyll-a Declining+0.32 µg/L/yr4
See year-by-year chart →

Reservoir Info (USACE NID)

Holt Lake is a man-made reservoir impounded by the Holt Lock and Dam (completed 1968), built primarily for navigation on the Black Warrior River; gravity-type dam, 120 ft tall and 1,400 ft long.

Surface area
3,300 ac
Normal storage
117,990 ac-ft
Max storage
187,400 ac-ft
Drainage area
4,232 sq mi
Hazard class
High
Owner
USACE - Mobile District

All listed purposes: Navigation;Recreation;Hydroelectric.

Source: USACE National Inventory of Dams, NID ID AL01426 · Operator website

County Ranking

Ranked #9 of 9 lakes in Tuscaloosa County

Nearby Lakes With Higher Grades

Holt Lake holds Grade D. 3 nearby lakes hold higher nutrient-and-algae grades — useful for a swim day, not a reason to skip lodging here.

See full comparison →

Nearby Lakes in Tuscaloosa County

Frequently asked questions about Holt Lake

Where is Holt Lake?

Holt Lake is a lake in Tuscaloosa County, Alabama. LakeQuality grades it D for nutrients and algae. The letter is not a swimming clearance.

What is the water quality grade for Holt Lake?

Holt Lake in Tuscaloosa County, Alabama has a water quality grade of D (Nutrient-rich). Water clarity: 4.7 ft visibility. Phosphorus: 21 µg/L. Chlorophyll-a (algae): 14.7 µg/L. Surface area: 3300 acres.

Is Holt Lake safe to swim in?

The D is nutrients and algae, not a swimming clearance. Check local advisories before you swim.

Are there boat ramps on Holt Lake?

Holt Lake has 3 documented boat landings in the USGS National Boat Ramps inventory. Named access points include Deerlick Creek, Rock Quarry Landing, Eagle Cove Marina. Public access is listed as yes.

Eutrophic Lakes in Alabama

Where this data comes from

99 measurements from 1 monitoring station, 2012–2024. Retrieved from the EPA Water Quality Portal on 2026-08-02.

Collected and reported by

  • ALABAMA DEPT. OF ENVIRONMENTAL MANAGEMENT - WATER QUALITY DATA21AWIC99 samples · 2012–2024

Analytical methods

  • Phosphorus by Colorimetry
  • 10200 H ~ Chlorophyll a-b-c Determination
  • 2120 B ~ Color in Water by Visual Comparison
Monitoring station identifiers (1)

Grade thresholds from the EPA National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See how grades are calculated and data sources.

Other records on this page

Named boat-access points from the USGS National Boat Ramps inventory