Clinch River Lake
Roane County, TennesseeView mapDirections
TDEC publishes the water-quality measurements for Clinch River Lake. Here is what has been measured.
- Eutrophic
- Public access
Clinch River Lake in Roane County, Tennessee has water-quality measurements published by TDEC, shown here as reported. Phosphorus: 36 µg/L.
Clinch River Lake is a productive, nutrient-rich eutrophic lake in Roane County, Tennessee. Limited fish-species data available. Public access is available. Compared to the 3 other monitored lakes in Roane County, Clinch River Lake ranks #3 for water quality.
Source: EPA Water Quality Portal sampling records, TDEC, last sampled 2026-05-27. Methodology: how these readings are compared.
Swimming conditions
Readings onlyElevated nutrients
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 Clinch River Lake is safe to swim in today is a call for the Tennessee Department of Environment and Conservation and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Clinch River Lake
These are the measurements TDEC publishes for Clinch River Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
No clarity data. Phosphorus 36 µg/L. TSI 56.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | No reading How deep a black-and-white disk stays visible from the surface. Higher is clearer. | |
| Total phosphorus | 36µg/L | Poor GoodFairPoor |
| Chlorophyll-a (algae) | No reading The green pigment in algae — a direct measure of how much algae is in the water. | |
| Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a. | 56 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
Ask about Clinch River Lake
Answers come straight from the public measurements and survey records on this page.
Stays via Stay22
Stays near Clinch River Lake
Compare lakeside cabins, hotels, and vacation rentals near Clinch River Lake in Roane County, Tennessee — 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. The water-quality readings cover nutrients and algae, not lodging. Cabins and rentals around Clinch River Lake are listed below.
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Fishing Clinch River Lake
Nearby Lakes in Roane County
Frequently asked questions about Clinch River Lake
Where is Clinch River Lake?
- Clinch River Lake is a lake in Roane County, Tennessee. Its water-quality measurements are published by TDEC and shown on this page as reported.
What is the water quality of Clinch River Lake?
- Clinch River Lake in Roane County, Tennessee has water-quality measurements published by TDEC, shown here as reported. Phosphorus: 36 µg/L.
Is Clinch River Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Can I fish at Clinch River Lake?
- Public access to Clinch River Lake is listed as yes on the lake record. Seasons, size and bag limits, and whether you need a license are set by Tennessee's fish and wildlife agency, so check its current regulations before you go.
Explore Clinch River Lake across LakeQuality
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Where this data comes from
110 measurements from 2 monitoring stations, 2012–2026. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- TDEC Division of Water Resources
TDECWR_WQX110 samples · 2012–2026
Analytical methods
- 4500 P E ~ Phosphorus in Water by Colorimetry- Ascorbic Acid Method
- 4500 P H ~ Manual Digestion and Flow Injection Analysis for Total Phosphorus
- Phosphorus by Colorimetry
- Turbidity by Nephelometry
- 2120 C ~ Color in Water by Spectrophotometry
Monitoring station identifiers (2)
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.