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LakeQuality

Reidsville Lake

Rockingham County, North Carolina680 acresView mapDirections

NC DEQ publishes the water-quality measurements for Reidsville Lake. Here is what has been measured.

Clarity
3 ft
Typical for North Carolina
Secchi · sampled 2023
Phosphorus
30 µg/L
Typical for North Carolina
Measured by NC DEQ
Chlorophyll-a
16.5 µg/L
Typical for North Carolina
Measured by NC DEQ
Max depth
~40 ft est.
GLOBathy model
Area
680 acres
Surface area
Type
Eutrophic
Trophic class
  • Eutrophic
  • 40 ft max depth
  • Limited data

Reidsville Lake in Rockingham 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): 16.5 µg/L. Surface area: 680 acres.

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Reidsville Lake is a 680-acre productive, nutrient-rich eutrophic lake in Rockingham County, North Carolina with an estimated average depth of about 40 feet. Compared to the 1 other monitored lakes in Rockingham County, Reidsville Lake ranks #2 for water quality.

Source: EPA Water Quality Portal sampling records, NCDEQ, last sampled 2023-09-06. Methodology: how these readings are compared.

Reidsville Lake covers about 680 acres in Rockingham County. For a place on the water, look through cabin and lake-house rentals near Reidsville Lake on Vrbo. For a hotel or motel room, Booking.com and Expedia both search around the lake.

Swimming conditions

Readings only

Limited 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 Reidsville Lake 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.

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Water quality measurements for Reidsville Lake

These are the measurements NC DEQ publishes for Reidsville Lake, 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 16.5 µg/L. TSI 58.

Water quality readings
MeasureReadingWhere it sits
Water clarity (Secchi depth)3ftMeasured, not scored

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

Total phosphorus30µg/LFair
GoodFairPoor
Chlorophyll-a (algae)16.5µg/LPoor
GoodFairPoor
Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a.58Eutrophic
OligotrophicMesotrophicEutrophicHypereutrophic

High nutrients, frequent algae, reduced clarity

Ask about Reidsville Lake

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

Lake Details

Max depth

~40 ft est.

Surface area

680 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 Reidsville Lake.

Lake Size & Watershed

Watershed (drainage) area

51 sq mi

HydroLAKES / HydroSHEDS

Shoreline

11 mi

HydroLAKES / HydroSHEDS

Elevation

702 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 Reidsville Lake

Compare lakeside cabins, hotels, and vacation rentals near Reidsville Lake in Rockingham 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 Reidsville Lake are listed below.

Top-rated places to stay near Reidsville Lake

Prices for Oct 23–25, 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 North Carolina’s top lakes →

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Fishing Reidsville Lake

Reservoir Info (USACE NID)

Reidsville Lake is a man-made reservoir impounded by the Troublesome Creek Dam (completed 1974), built primarily for water supply on the Troublesome Creek; earth-type dam, 47 ft tall and 1,720 ft long.

Surface area
680 ac
Normal storage
9,139 ac-ft
Max storage
21,161 ac-ft
Drainage area
53.77 sq mi
Hazard class
High
Owner
City of Reidsville Public Works Department

Source: USACE National Inventory of Dams, NID ID NC01599 · Operator website

Nearby Lakes in Rockingham County

Frequently asked questions about Reidsville Lake

Where is Reidsville Lake?

Reidsville Lake is a lake in Rockingham 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 Reidsville Lake?

Reidsville Lake in Rockingham 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): 16.5 µg/L. Surface area: 680 acres.

Measurements on this page ↑

Is Reidsville Lake safe to swim in?

Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.

Swimming on this page ↑

How deep is Reidsville Lake?

No published bathymetric survey covers Reidsville Lake, so its depth has not been measured. The HydroLAKES global model estimates an average depth of about 40 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 680 acres.

Where this data comes from

40 measurements from 2 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 WQX21NC03WQ40 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 (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.

Other records on this page

Lake size & watershed from HydroLAKES (HydroSHEDS)