Tennessee River Lake
Roane County, TennesseeView mapDirections
Nutrients and algae sit mid-range for this region.
- Eutrophic
- #1 of 4 in the county
- Public access
Tennessee River Lake in Roane County, Tennessee has a water quality grade of C (Fair). Phosphorus: 28.6 µg/L.
- Type
- Eutrophic
- Phosphorus
- 28.6 µg/L
- Trend
- ↑ Improving
- Public access
- Yes
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Tennessee River Lake is a productive, nutrient-rich eutrophic lake in Roane County, Tennessee. Water quality is graded C based on 1 sampling years through 2022. Overall water quality is improving over recent sampling years. Limited fish-species data available. Public access is available with 23 public boat landings. Compared to the 3 other monitored lakes in Roane County, Tennessee River Lake ranks #1 for water quality.
Source: EPA Water Quality Portal sampling records, TDEC, last sampled 2022-06-28. Grade methodology: LakeQuality methodology.
What Tennessee River Lake is good for
From access and monitoring records, not editorial picks.
- Boat launch23 documented ramps
Swimming Safety
Grade onlyModerate
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 C is nutrients and algae, not a swimming clearance. Check local advisories before you swim.
Water Quality Grade: C (Fair)
No clarity data. Phosphorus 28.6 µg/L. TSI 53. The letter is not a swimming clearance.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No recent samples | |
| Phosphorus | 28.6 µg/L | Fair |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 53 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Recreation & Access
- Gravel Pit ParkPublic
- Ladd LandingPublic
- Shady GrovePublic
- Old RockwoodPublic
- Stamp CreekPublic
- New HopePublic
Showing 6 of 23 documented landings from the USGS National Boat Ramps inventory.
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Fishing Tennessee River Lake
Water Quality Trend: ↑ Improving
Based on 5 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Phosphorus | ↑ Improving | -2.05 µg/L/yr | 5 |
County Ranking
Ranked #1 of 4 lakes in Roane County
Nearby Lakes With Higher Grades
Tennessee River Lake holds Grade C. 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 Roane County
Frequently asked questions about Tennessee River Lake
Where is Tennessee River Lake?
- Tennessee River Lake is a lake in Roane County, Tennessee. LakeQuality grades it C for nutrients and algae. The letter is not a swimming clearance.
What is the water quality grade for Tennessee River Lake?
- Tennessee River Lake in Roane County, Tennessee has a water quality grade of C (Fair). Phosphorus: 28.6 µg/L.
Is Tennessee River Lake safe to swim in?
- The C is nutrients and algae, not a swimming clearance. Check local advisories before you swim.
Are there boat ramps on Tennessee River Lake?
- Tennessee River Lake has 23 documented boat landings in the USGS National Boat Ramps inventory. Named access points include Gravel Pit Park, Ladd Landing, Shady Grove, Old Rockwood, among others. Public access is listed as yes.
Explore Tennessee River Lake across LakeQuality
15.8 mi away · 110 ft
Species activity outlook by water temperature and season
Where to stay at Tennessee's top lakes, each with its grade
High nutrients, frequent algae, reduced clarity
Tennessee's cleanest and most-polluted lakes, ranked
More Tennessee Lake Rankings
Other Grade C Lakes in Tennessee
Eutrophic Lakes in Tennessee
Where this data comes from
46 measurements from 1 monitoring station, 2012–2022. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- TDEC Division of Water Resources
TDECWR_WQX46 samples · 2012–2022
Analytical methods
- 4500 P E ~ Phosphorus in Water by Colorimetry- Ascorbic Acid Method
- Phosphorus by Colorimetry
- Turbidity by Nephelometry
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