Olit Lake
Tuscaloosa County, AlabamaView mapDirections
Clarity, phosphorus, and algae sit in the clean band for this region.
- Eutrophic
- #4 of 9 in the county
- Public access
Olit Lake in Tuscaloosa County, Alabama has a water quality grade of B (Good). Water clarity: 4.3 ft visibility. Phosphorus: 19 µg/L. Chlorophyll-a (algae): 7.5 µg/L.
- Clarity
- 4.3 ft
- Type
- Eutrophic
- Phosphorus
- 19 µg/L
- Chlorophyll-a
- 7.5 µg/L
- Trend
- ↓ Declining
- Public access
- Yes
Stays via Stay22
Stays near Olit Lake
Compare lakeside cabins, hotels, and vacation rentals near Olit 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.
Top-rated places to stay near Olit Lake
Prices for Sep 11–13, 4 adults. Change dates on the map below.
Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.
Planning a whole trip? See where to stay at Alabama’s top lakes →
Watch Olit Lake’s letter
Email me if this lake’s grade moves. Grades stay free.
Or email
Olit Lake is a productive, nutrient-rich eutrophic lake in Tuscaloosa County, Alabama. Water quality is graded B 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. 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. Grade methodology: LakeQuality methodology.
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 B is nutrients and algae, not a swimming clearance. Check local advisories before you swim.
Water Quality Grade: B (Good)
Murky, only visible to about 4.3 ft. Phosphorus 19 µg/L. Chlorophyll-a 7.5 µg/L. TSI 51. The letter is not a swimming clearance.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 4.3 ft | Not graded |
| Phosphorus | 19 µg/L | Good |
| Chlorophyll-a (Algae) | 7.5 µg/L | Good |
| Trophic State Index (TSI) | 51 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Fishing Olit Lake
Water Quality Trend: ↓ Declining
Based on 4 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | → Stable | -0.024 m/yr | 4 |
| Phosphorus | ↓ Declining | +0.42 µg/L/yr | 4 |
| Chlorophyll-a | ↓ Declining | +0.22 µg/L/yr | 4 |
County Ranking
Ranked #4 of 9 lakes in Tuscaloosa County
Nearby Lakes With Higher Grades
Olit Lake holds Grade B. One nearby lake has a higher nutrient-and-algae grade — useful for a swim day, not a reason to skip lodging here.
See full comparison →Nearby Lakes in Tuscaloosa County
Frequently asked questions about Olit Lake
Where is Olit Lake?
- Olit Lake is a lake in Tuscaloosa County, Alabama. LakeQuality grades it B for nutrients and algae. The letter is not a swimming clearance.
What is the water quality grade for Olit Lake?
- Olit Lake in Tuscaloosa County, Alabama has a water quality grade of B (Good). Water clarity: 4.3 ft visibility. Phosphorus: 19 µg/L. Chlorophyll-a (algae): 7.5 µg/L.
Is Olit Lake safe to swim in?
- The B is nutrients and algae, not a swimming clearance. Check local advisories before you swim.
Explore Olit Lake across LakeQuality
More Alabama Lake Rankings
Other Grade B Lakes in Alabama
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)
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.