Alex Branch Lake
Sequatchie County, Tennessee18 acresView mapDirections
No nutrient or algae sampling on record from TDEC for this lake.
- Limited data
Alex Branch Lake in Sequatchie County, Tennessee has water-quality measurements published by TDEC, shown here as reported. Surface area: 18 acres.
Alex Branch Lake is a 18-acre lake in Sequatchie County, Tennessee.
Source: EPA Water Quality Portal sampling records, TDEC, last sampled 2019-10-08. Methodology: how these readings are compared.
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Alex Branch 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 Alex Branch Lake
These are the measurements TDEC publishes for Alex Branch 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.
Ask about Alex Branch Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
18 acres
No bathymetric survey has been published for Alex Branch Lake, so its depth is not documented here.
Stays via Stay22
Stays near Alex Branch Lake
Compare lakeside cabins, hotels, and vacation rentals near Alex Branch Lake in Sequatchie 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 Alex Branch 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 whole trip? See where to stay at Tennessee’s top lakes →
Follow Alex Branch Lake’s readings
Email me when new measurements post for this lake. Updates stay free.
Or email
Fishing Alex Branch Lake
Reservoir Info (USACE NID)
Alex Branch Lake is a man-made reservoir impounded by the Brier Branch Dam (completed 1989) on the Alex Branch; earth-type dam, 26 ft tall and 400 ft long.
- Surface area
- 18 ac
- Normal storage
- 126 ac-ft
- Max storage
- 246 ac-ft
- Drainage area
- 0.69 sq mi
- Hazard class
- Low
- Owner
- Brier Branch HOA
Source: USACE National Inventory of Dams, NID ID TN15307 · Operator website · Matched by proximity (0.29 km)
Nearby Lakes in Sequatchie County
Frequently asked questions about Alex Branch Lake
Where is Alex Branch Lake?
- Alex Branch Lake is a lake in Sequatchie County, Tennessee. Its water-quality measurements are published by TDEC and shown on this page as reported.
What is the water quality of Alex Branch Lake?
- Alex Branch Lake in Sequatchie County, Tennessee has water-quality measurements published by TDEC, shown here as reported. Surface area: 18 acres.
Is Alex Branch Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Explore Alex Branch Lake across LakeQuality
2 documented falls within 24.3 mi, nearest Fall Creek Falls
Species activity outlook by water temperature and season
Where to stay at Tennessee's top lakes, each with its readings
Tennessee's cleanest lakes, ranked on agency measurements
More lakes in Tennessee
Other Lakes in Tennessee
Where this data comes from
1 measurement from 1 monitoring station, 2019. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- TDEC Division of Water Resources
TDECWR_WQX1 sample · 2019
Analytical methods
- Phosphorus by Colorimetry
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.