Lake Andrews
Houston County, Alabama1,540 acresView mapDirections
Clarity, phosphorus, and algae all sit in the cleanest band for this region.
↑ up from B at the last regrade
- Mesotrophic
- #1 of 1 in the county
- Public access
Lake Andrews in Houston County, Alabama has a water quality grade of A (Excellent). Water clarity: 5.9 ft visibility. Phosphorus: 25 µg/L. Chlorophyll-a (algae): 6.2 µg/L. Surface area: 1540 acres.
- Clarity
- 5.9 ft
- Area
- 1,540 acres
- Type
- Mesotrophic
- Phosphorus
- 25 µg/L
- Chlorophyll-a
- 6.2 µg/L
- Trend
- ↓ Declining
- Public access
- Yes
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Watch Lake Andrews’s letter
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Lake Andrews is a 1,540-acre mesotrophic lake in Houston County, Alabama. Water quality is graded A based on 2 sampling years through 2025. Overall water quality is declining over recent sampling years. Limited fish-species data available. Public access is available with 2 public boat landings.
Source: EPA Water Quality Portal sampling records, ADEM, last sampled 2025-10-28. Grade methodology: LakeQuality methodology.
What Lake Andrews is good for
From access and monitoring records, not editorial picks.
- Boat launch2 documented ramps
- Big water1,540 acres
Swimming Safety
Grade onlyLow algae
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 A is nutrients and algae, not a swimming clearance. Check local advisories before you swim.
Water Quality Grade: A (Excellent)
Murky, only visible to about 5.9 ft. Phosphorus 25 µg/L. Chlorophyll-a 6.2 µg/L. TSI 50. The letter is not a swimming clearance.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 5.9 ft | Not graded |
| Phosphorus | 25 µg/L | Good |
| Chlorophyll-a (Algae) | 6.2 µg/L | Good |
| Trophic State Index (TSI) | 50 | Mesotrophic |
Moderate nutrients, good water quality
Lake Details
| Characteristic | Value |
|---|---|
| Surface Area | 1,540 acres |
| Public Access | Yes |
No bathymetric survey has been published for Lake Andrews, so its depth is not documented here.
Recreation & Access
- Omussee Creek ParkPublic
- Andrews DamPublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Fishing Lake Andrews
Water Quality Trend: ↓ Declining
Based on 14 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↓ Declining | -0.081 m/yr | 12 |
| Phosphorus | ↑ Improving | -0.61 µg/L/yr | 14 |
| Chlorophyll-a | ↓ Declining | +0.6 µg/L/yr | 14 |
Reservoir Info (USACE NID)
Lake Andrews is a man-made reservoir impounded by the George W. Andrews Lock and Dam (completed 1963), built primarily for navigation on the Chattahoochee River; gravity-type dam, 59 ft tall and 775 ft long.
- Surface area
- 1,540 ac
- Normal storage
- 18,180 ac-ft
- Max storage
- 18,180 ac-ft
- Drainage area
- 8,210 sq mi
- Hazard class
- Significant
- Owner
- USACE - Mobile District
All listed purposes: Navigation;Recreation.
Source: USACE National Inventory of Dams, NID ID AL01433 · Operator website · Matched by proximity (0.48 km)
County Ranking
Ranked #1 of 1 lakes in Houston County
Nearby Lakes in Houston County
Frequently asked questions about Lake Andrews
Where is Lake Andrews?
- Lake Andrews is a lake in Houston County, Alabama. LakeQuality grades it A for nutrients and algae. The letter is not a swimming clearance.
What is the water quality grade for Lake Andrews?
- Lake Andrews in Houston County, Alabama has a water quality grade of A (Excellent). Water clarity: 5.9 ft visibility. Phosphorus: 25 µg/L. Chlorophyll-a (algae): 6.2 µg/L. Surface area: 1540 acres.
Is Lake Andrews safe to swim in?
- The A is nutrients and algae, not a swimming clearance. Check local advisories before you swim.
Are there boat ramps on Lake Andrews?
- Lake Andrews has 2 documented boat landings in the USGS National Boat Ramps inventory. Named access points include Omussee Creek Park, Andrews Dam. Public access is listed as yes.
Explore Lake Andrews across LakeQuality
More Alabama Lake Rankings
Other Grade A Lakes in Alabama
Where this data comes from
294 measurements from 1 monitoring station, 2012–2025. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Georgia DNR Environmental Protection Division
21GAEPD_WQX294 samples · 2012–2025
Analytical methods
- Phosphorus by Colorimetry
- 445.0 ~ EPA; Chlorophyll and Pheophytin in Algae by Fluorescence
- Turbidity by Nephelometry
- 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