Reidsville Lake
Rockingham County, North Carolina680 acresView mapDirections
Nutrients and algae run above the regional average.
- Eutrophic
- #2 of 2 in the county
- 40 ft max depth
- Limited data
Reidsville Lake in Rockingham County, North Carolina has a water quality grade of D (Nutrient-rich). Water clarity: 3 ft visibility. Phosphorus: 30 µg/L. Chlorophyll-a (algae): 16.5 µg/L. Surface area: 680 acres.
- Clarity
- 3 ft
- Max depth
- ~40 ft est.
- Area
- 680 acres
- Type
- Eutrophic
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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 grade measures nutrients and algae, not lodging — cabins and rentals around Reidsville Lake are listed below.
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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. Water quality is graded D based on 2 sampling years through 2023. 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. Grade methodology: LakeQuality methodology.
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)
Very murky, less than 3 ft of visibility. Phosphorus 30 µg/L. Chlorophyll-a 16.5 µg/L. TSI 58. The letter is not a swimming clearance.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 3 ft | Not graded |
| Phosphorus | 30 µg/L | Fair |
| Chlorophyll-a (Algae) | 16.5 µg/L | Poor |
| Trophic State Index (TSI) | 58 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Lake Details
| Characteristic | Value |
|---|---|
| Maximum Depth | ~40 ft est. |
| Average Depth | ~33 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
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.
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
County Ranking
Ranked #2 of 2 lakes in Rockingham County
Nearby Lakes With Higher Grades
Reidsville Lake holds Grade D. One nearby lake has a higher nutrient-and-algae grade — useful for a swim day, not a reason to skip lodging here.
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. LakeQuality grades it D for nutrients and algae. The letter is not a swimming clearance.
What is the water quality grade for Reidsville Lake?
- Reidsville Lake in Rockingham County, North Carolina has a water quality grade of D (Nutrient-rich). Water clarity: 3 ft visibility. Phosphorus: 30 µg/L. Chlorophyll-a (algae): 16.5 µg/L. Surface area: 680 acres.
Is Reidsville Lake safe to swim in?
- The D is nutrients and algae, not a swimming clearance. Check local advisories before you swim.
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.
Explore Reidsville Lake across LakeQuality
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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 WQX
21NC03WQ40 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)
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
Lake size & watershed from HydroLAKES (HydroSHEDS)