Lake Brandt
Guilford County, North Carolina817 acresView mapDirections
NC DEQ publishes the water-quality measurements for Lake Brandt. Here is what has been measured.
- Eutrophic
- 46 ft max depth
- Limited data
Lake Brandt in Guilford County, North Carolina has water-quality measurements published by NC DEQ, shown here as reported. Water clarity: 3 ft visibility. Phosphorus: 30 µg/L. Chlorophyll-a (algae): 27.5 µg/L. Surface area: 817 acres.
Lake Brandt is a 817-acre productive, nutrient-rich eutrophic lake in Guilford County, North Carolina with an estimated average depth of about 46 feet. Compared to the 4 other monitored lakes in Guilford County, Lake Brandt ranks #3 for water quality.
Source: EPA Water Quality Portal sampling records, NCDEQ, last sampled 2023-09-14. Methodology: how these readings are compared.
Swimming conditions
Readings onlyLimited data
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 Lake Brandt is safe to swim in today is a call for the North Carolina Department of Environmental Quality and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Lake Brandt
These are the measurements NC DEQ publishes for Lake Brandt, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Very murky, less than 3 ft of visibility. Phosphorus 30 µg/L. Chlorophyll-a 27.5 µg/L. TSI 59.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 3ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 30µg/L | Fair GoodFairPoor |
| Chlorophyll-a (algae) | 27.5µg/L | Poor GoodFairPoor |
| Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a. | 59 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
Ask about Lake Brandt
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
~46 ft est.
Surface area
817 acres
Depth marked “est.” is a modeled maximum from GLOBathy (Khazaei et al. 2022, CC0), not a measured survey. North Carolina has not published bathymetry for Lake Brandt.
Lake Size & Watershed
Watershed (drainage) area
72 sq mi
HydroLAKES / HydroSHEDS
Shoreline
10.7 mi
HydroLAKES / HydroSHEDS
Elevation
751 ft
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS). Mean depth here is modelled, not surveyed — HydroLAKES v1.0 estimates lake depth from surrounding terrain rather than from soundings. Treat it as an approximation, and prefer a state bathymetric survey where one exists.
Stays via Stay22
Stays near Lake Brandt
Compare lakeside cabins, hotels, and vacation rentals near Lake Brandt in Guilford County, North Carolina — 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 Lake Brandt are listed below.
Top-rated places to stay near Lake Brandt
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Fishing Lake Brandt
Reservoir Info (USACE NID)
Lake Brandt is a man-made reservoir impounded by the Lake Brandt Dam (completed 1960), built primarily for recreation on the Reedy Fork Creek; earth-type dam, 39 ft tall and 2,555 ft long.
- Surface area
- 817 ac
- Normal storage
- 10,131 ac-ft
- Max storage
- 18,391 ac-ft
- Drainage area
- 68.4 sq mi
- Hazard class
- High
- Owner
- City of Greensboro Water Resources
All listed purposes: Recreation;Water Supply.
Source: USACE National Inventory of Dams, NID ID NC00700 · Operator website
Nearby Lakes in Guilford County
Frequently asked questions about Lake Brandt
Where is Lake Brandt?
- Lake Brandt is a lake in Guilford County, North Carolina. Its water-quality measurements are published by NC DEQ and shown on this page as reported.
What is the water quality of Lake Brandt?
- Lake Brandt in Guilford County, North Carolina has water-quality measurements published by NC DEQ, shown here as reported. Water clarity: 3 ft visibility. Phosphorus: 30 µg/L. Chlorophyll-a (algae): 27.5 µg/L. Surface area: 817 acres.
Is Lake Brandt safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Lake Brandt?
- No published bathymetric survey covers Lake Brandt, so its depth has not been measured. The HydroLAKES global model estimates an average depth of about 46 feet, but that is a modelled estimate derived from surrounding terrain rather than a measurement on the water, so treat it as approximate. The lake covers 817 acres.
Explore Lake Brandt across LakeQuality
More lakes in North Carolina
Other Lakes in North Carolina
Eutrophic Lakes in North Carolina
Where this data comes from
60 measurements from 3 monitoring stations, 2023. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- North Carolina Dept of Environmental Quality NCDEQ-DWR WQX
21NC03WQ60 samples · 2023
Analytical methods
- WSSSOP
- Phosphorus by Colorimetry
- 445.0 ~ EPA; Chlorophyll and Pheophytin in Algae by Fluorescence
- 2130 B ~ Nephelometric Method
Monitoring station identifiers (3)
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
Lake size & watershed from HydroLAKES (HydroSHEDS)