Mare Lake
Elmore County, AlabamaView mapDirections
Clarity, phosphorus, and algae all sit in the cleanest band for this region.
- Mesotrophic
- #2 of 5 in the county
- Public access
Mare Lake in Elmore County, Alabama has a water quality grade of A (Excellent). Water clarity: 10.6 ft visibility. Phosphorus: 8 µg/L. Chlorophyll-a (algae): 4.5 µg/L.
- Clarity
- 10.6 ft
- Type
- Mesotrophic
- Phosphorus
- 8 µg/L
- Chlorophyll-a
- 4.5 µg/L
- Public access
- Yes
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Watch Mare Lake’s letter
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Mare Lake is a mesotrophic lake in Elmore County, Alabama. Water quality is graded A based on 2 sampling years through 2026. Limited fish-species data available. Public access is available with 1 public boat landing. Compared to the 4 other monitored lakes in Elmore County, Mare Lake ranks #2 for water quality.
Source: EPA Water Quality Portal sampling records, ADEM, last sampled 2026-04-28. Grade methodology: LakeQuality methodology.
What Mare Lake is good for
From access and monitoring records, not editorial picks.
- Clear water10.6 ft of visibility
- Boat launch1 documented ramp
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)
Good clarity, visible to about 10.6 ft. Phosphorus 8 µg/L. Chlorophyll-a 4.5 µg/L. TSI 41. The letter is not a swimming clearance.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 10.6 ft | Not graded |
| Phosphorus | 8 µg/L | Good |
| Chlorophyll-a (Algae) | 4.5 µg/L | Good |
| Trophic State Index (TSI) | 41 | Mesotrophic |
Moderate nutrients, good water quality
Recreation & Access
- KowaligaPublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Fishing Mare Lake
County Ranking
Ranked #2 of 5 lakes in Elmore County
Nearby Lakes in Elmore County
Frequently asked questions about Mare Lake
Where is Mare Lake?
- Mare Lake is a lake in Elmore County, Alabama. LakeQuality grades it A for nutrients and algae. The letter is not a swimming clearance.
What is the water quality grade for Mare Lake?
- Mare Lake in Elmore County, Alabama has a water quality grade of A (Excellent). Water clarity: 10.6 ft visibility. Phosphorus: 8 µg/L. Chlorophyll-a (algae): 4.5 µg/L.
Is Mare Lake 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 Mare Lake?
- Mare Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Kowaliga. Public access is listed as yes.
Explore Mare Lake across LakeQuality
More Alabama Lake Rankings
Other Grade A Lakes in Alabama
Mesotrophic Lakes in Alabama
Where this data comes from
367 measurements from 3 monitoring stations, 2013–2026. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- ALABAMA DEPT. OF ENVIRONMENTAL MANAGEMENT - WATER QUALITY DATA
21AWIC367 samples · 2013–2026
Analytical methods
- Phosphorus by Colorimetry
- 10200 H ~ Chlorophyll a-b-c Determination
Monitoring station identifiers (3)
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