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LakeQuality

Tennessee River Lake

Roane County, TennesseeView mapDirections

TDEC publishes the water-quality measurements for Tennessee River Lake. Here is what has been measured.

Phosphorus
28.6 µg/L
Typical for Tennessee
Measured by TDEC
Type
Eutrophic
Trophic class
Trend
Improving
5 years of samples
  • Eutrophic
  • Impaired · PCBs
  • Public access

Tennessee River Lake in Roane County, Tennessee has water-quality measurements published by TDEC, shown here as reported. Phosphorus: 28.6 µg/L.

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Tennessee River Lake is a productive, nutrient-rich eutrophic lake in Roane County, Tennessee. 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. Methodology: how these readings are compared.

What Tennessee River Lake is good for

From access and monitoring records, not editorial picks.

  • Boat launch23 documented ramps

Swimming conditions

Readings only

Recreation use not supported

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. Tennessee River Lake is listed impaired under Clean Water Act §303(d) (IR 4A) for pCBs. Check local advisories before you swim.

Whether Tennessee 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.

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Water quality measurements for Tennessee River Lake

These are the measurements TDEC publishes for Tennessee 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 28.6 µg/L. TSI 53.

Water quality readings
MeasureReadingWhere it sits
Water clarity (Secchi depth)No reading

How deep a black-and-white disk stays visible from the surface. Higher is clearer.

Total phosphorus28.6µg/LFair
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.53Eutrophic
OligotrophicMesotrophicEutrophicHypereutrophic

High nutrients, frequent algae, reduced clarity

Ask about Tennessee River Lake

Answers come straight from the public measurements and survey records on this page.

Recreation & Access

23
Boat Landings
Yes
Public 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

Stays via Stay22

Stays near Tennessee River Lake

Compare lakeside cabins, hotels, and vacation rentals near Tennessee 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.

Top-rated places to stay near Tennessee River Lake

Prices for Oct 30–Nov 1, 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 trip? Cabins and lodging at Tennessee River Lake → · more Tennessee lake trips

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Fishing Tennessee River Lake

Based on 5 years of monitoring (2012–2022).

  • Phosphorus

    Improving

    -2.05 µg/L/yr5 years

See year-by-year chart →

EPA Impairment Status

Tennessee River Lake is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 4A).

Causes of impairment

PCBs

Designated uses not supporting: Recreation.

A Total Maximum Daily Load (TMDL) plan has been approved.

Source: EPA ATTAINS assessment unit TN06010201001_1000 · Official waterbody report

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. Its water-quality measurements are published by TDEC and shown on this page as reported.

What is the water quality of Tennessee River Lake?

Tennessee River Lake in Roane County, Tennessee has water-quality measurements published by TDEC, shown here as reported. Phosphorus: 28.6 µg/L.

Measurements on this page ↑

Is Tennessee River Lake safe to swim in?

Nutrient and algae readings are not a swimming clearance. Tennessee River Lake is listed impaired under Clean Water Act §303(d) (IR 4A) for pCBs. Check local advisories before you swim.

Swimming on this page ↑

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.

Access on this page ↑

Can I fish at Tennessee River Lake?

Tennessee River Lake has 23 documented boat landings in the USGS National Boat Ramps inventory. 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.

Access on this page ↑

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 ResourcesTDECWR_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)

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.

Other records on this page

Impairment status from EPA ATTAINS 303(d) database

Named boat-access points from the USGS National Boat Ramps inventory