Cumberland River Lake
Stewart County, TennesseeView mapDirections
Nutrients and algae run above the regional average.
↓ down from C at the last regrade
- Eutrophic
- #1 of 2 in the county
- Public access
- Limited data
Cumberland River Lake in Stewart County, Tennessee has a water quality grade of D (Nutrient-rich). Phosphorus: 82.6 µg/L. Chlorophyll-a (algae): 12.5 µg/L.
- Type
- Eutrophic
- Phosphorus
- 82.6 µg/L
- Chlorophyll-a
- 12.5 µg/L
- Trend
- ↓ Declining
- Public access
- Yes
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Stays near Cumberland River Lake
Compare lakeside cabins, hotels, and vacation rentals near Cumberland River Lake in Stewart 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 grade measures nutrients and algae, not lodging — cabins and rentals around Cumberland River Lake are listed below.
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Cumberland River Lake is a productive, nutrient-rich eutrophic lake in Stewart County, Tennessee. Water quality is graded D based on 1 sampling years through 2026. Overall water quality is declining over recent sampling years. Limited fish-species data available. Public access is available with 6 public boat landings. Compared to the 1 other monitored lakes in Stewart County, Cumberland River Lake ranks #1 for water quality.
Source: EPA Water Quality Portal sampling records, TDEC, last sampled 2026-06-02. Grade methodology: LakeQuality methodology.
What Cumberland River Lake is good for
From access and monitoring records, not editorial picks.
- Boat launch6 documented ramps
Swimming Safety
Grade onlyLimited data
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 D is nutrients and algae, not a swimming clearance. Check local advisories before you swim.
Water Quality Grade: D (Nutrient-rich)
No clarity data. Phosphorus 82.6 µg/L. Chlorophyll-a 12.5 µg/L. TSI 62. The letter is not a swimming clearance.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No recent samples | |
| Phosphorus | 82.6 µg/L | Poor |
| Chlorophyll-a (Algae) | 12.5 µg/L | Not graded |
| Trophic State Index (TSI) | 62 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Recreation & Access
- Bellwood LandingPublic
- Lick CreekPublic
- Dyer's CreekPublic
- Hickman CreekPublic
- Blue CreekPublic
- Dover LandingPublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Fishing Cumberland River Lake
Water Quality Trend: ↓ Declining
Based on 3 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Phosphorus | ↓ Declining | +27.5 µg/L/yr | 2 |
County Ranking
Ranked #1 of 2 lakes in Stewart County
Nearby Lakes in Stewart County
Frequently asked questions about Cumberland River Lake
Where is Cumberland River Lake?
- Cumberland River Lake is a lake in Stewart County, Tennessee. LakeQuality grades it D for nutrients and algae. The letter is not a swimming clearance.
What is the water quality grade for Cumberland River Lake?
- Cumberland River Lake in Stewart County, Tennessee has a water quality grade of D (Nutrient-rich). Phosphorus: 82.6 µg/L. Chlorophyll-a (algae): 12.5 µg/L.
Is Cumberland River Lake safe to swim in?
- The D is nutrients and algae, not a swimming clearance. Check local advisories before you swim.
Are there boat ramps on Cumberland River Lake?
- Cumberland River Lake has 6 documented boat landings in the USGS National Boat Ramps inventory. Named access points include Bellwood Landing, Lick Creek, Dyer's Creek, Hickman Creek, among others. Public access is listed as yes.
Explore Cumberland River Lake across LakeQuality
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
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Other Grade D Lakes in Tennessee
Eutrophic Lakes in Tennessee
Where this data comes from
37 measurements from 1 monitoring station, 2016–2026. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- TDEC Division of Water Resources
TDECWR_WQX37 samples · 2016–2026
Analytical methods
- Phosphorus by Colorimetry
- Turbidity by Nephelometry
- 2120 C ~ Color in Water by Spectrophotometry
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