Olit Lake
Tuscaloosa County, AlabamaView mapDirections
ADEM publishes the water-quality measurements for Olit Lake. Here is what has been measured.
- Eutrophic
- Public access
Olit Lake in Tuscaloosa County, Alabama has water-quality measurements published by ADEM, shown here as reported. Water clarity: 4.3 ft visibility. Phosphorus: 19 µg/L. Chlorophyll-a (algae): 7.5 µg/L.
Olit Lake is a productive, nutrient-rich eutrophic lake in Tuscaloosa County, Alabama. Overall water quality is declining over recent sampling years. Limited fish-species data available. Public access is available. Compared to the 8 other monitored lakes in Tuscaloosa County, Olit Lake ranks #4 for water quality.
Source: EPA Water Quality Portal sampling records, ADEM, last sampled 2024-10-23. Methodology: how these readings are compared.
Swimming conditions
Readings onlyLow algae
Based on clarity and algae readings from past sampling — there is no live water temperature and a current cyanobacteria reading for this lake. Check your state or county health department before you swim.
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Olit 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.
Water quality measurements for Olit Lake
These are the measurements ADEM publishes for Olit Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Murky, only visible to about 4.3 ft. Phosphorus 19 µg/L. Chlorophyll-a 7.5 µg/L. TSI 51.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 4.3ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 19µg/L | Good GoodFairPoor |
| Chlorophyll-a (algae) | 7.5µg/L | Good GoodFairPoor |
| Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a. | 51 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
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Fishing Olit Lake
Water Quality Trend: Worsening
Based on 4 years of monitoring (2012–2024).
Water clarity
Stable4 years
Phosphorus
Worsening+0.42 µg/L/yr4 years
Chlorophyll-a
Worsening+0.22 µg/L/yr4 years
Nearby Lakes in Tuscaloosa County
Frequently asked questions about Olit Lake
Where is Olit Lake?
- Olit Lake is a lake in Tuscaloosa County, Alabama. Its water-quality measurements are published by ADEM and shown on this page as reported.
What is the water quality of Olit Lake?
- Olit Lake in Tuscaloosa County, Alabama has water-quality measurements published by ADEM, shown here as reported. Water clarity: 4.3 ft visibility. Phosphorus: 19 µg/L. Chlorophyll-a (algae): 7.5 µg/L.
Is Olit Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Can I fish at Olit Lake?
- Public access to Olit Lake is listed as yes on the lake record. 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.
Explore Olit Lake across LakeQuality
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Where this data comes from
323 measurements from 3 monitoring stations, 2012–2024. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- ALABAMA DEPT. OF ENVIRONMENTAL MANAGEMENT - WATER QUALITY DATA
21AWIC323 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 (3)
EPA condition classes from the National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See where the data comes from and data sources.