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LakeQuality

Sandy Creek Reservoir

Randolph County, North Carolina90 acresView mapDirections

F
Algae-prone

Nutrients and algae run well above the regional average.

Water temp
No reading
No gauge
Clarity
2.5 ft
Secchi · sampled 2023
Level
No reading
No gauge
Trend
No reading
Not enough history
  • Hypereutrophic
  • #4 of 5 in the county
  • 29 ft max depth
  • Limited data

Sandy Creek Reservoir in Randolph County, North Carolina has a water quality grade of F (Algae-prone). Water clarity: 2.5 ft visibility. Phosphorus: 70 µg/L. Chlorophyll-a (algae): 41.5 µg/L. Surface area: 90 acres.

Clarity
2.5 ft
Max depth
~29 ft est.
Area
90 acres
Type
Hypereutrophic
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Stays near Sandy Creek Reservoir

Compare lakeside cabins, hotels, and vacation rentals near Sandy Creek Reservoir in Randolph 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 Sandy Creek Reservoir are listed below.

Top-rated places to stay near Sandy Creek Reservoir

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Sandy Creek Reservoir is a 90-acre highly nutrient-loaded hypereutrophic lake in Randolph County, North Carolina with an estimated average depth of about 29 feet. Water quality is graded F based on 2 sampling years through 2023. Compared to the 4 other monitored lakes in Randolph County, Sandy Creek Reservoir ranks #4 for water quality.

Source: EPA Water Quality Portal sampling records, NCDEQ, last sampled 2023-09-21. Grade methodology: LakeQuality methodology.

Swimming Safety

Grade only

Limited 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 F is nutrients and algae, not a swimming clearance. Sandy Creek Reservoir is listed impaired under Clean Water Act §303(d) (IR 5) for algal growth. Check local advisories before you swim.

Get alerts for Sandy Creek Reservoir

Water Quality Grade: F (Algae-prone)

Very murky, less than 2.5 ft of visibility. Phosphorus 70 µg/L. Chlorophyll-a 41.5 µg/L. TSI 66. The letter is not a swimming clearance.

MetricValueGrade
Water Clarity (Secchi Depth)2.5 ftNot graded
Phosphorus70 µg/LPoor
Chlorophyll-a (Algae)41.5 µg/LPoor
Trophic State Index (TSI)66Hypereutrophic

Very high nutrients, dense algae, poor clarity

Lake Details

CharacteristicValue
Maximum Depth~29 ft est.
Average Depth~16 ft est.
Surface Area90 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 Sandy Creek Reservoir.

Lake Size & Watershed

Watershed (drainage) area
63 sq mi
Shoreline
2.9 mi
Elevation
486 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.

Fishing Sandy Creek Reservoir

Reservoir Info (USACE NID)

Sandy Creek Reservoir is a man-made reservoir impounded by the Ramseur Water Supply Dam, built primarily for water supply on the Sandy Creek; concrete-type dam, 45 ft tall and 500 ft long.

Surface area
90 ac
Normal storage
1,620 ac-ft
Max storage
1,872 ac-ft
Drainage area
57.73 sq mi
Hazard class
High
Owner
Town of Ramseur

Source: USACE National Inventory of Dams, NID ID NC03722 · Operator website

EPA Impairment Status

Sandy Creek Reservoir is officially listed as impaired under Clean Water Act §303(d) in the 2022 EPA reporting cycle (IR category 5).

Causes of impairment

Algal growth

A Total Maximum Daily Load (TMDL) plan has been approved.

Source: EPA ATTAINS assessment unit NC17-16-(1)b · Official waterbody report

County Ranking

Ranked #4 of 5 lakes in Randolph County

Nearby Lakes With Higher Grades

Sandy Creek Reservoir holds Grade F. 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 Randolph County

Frequently asked questions about Sandy Creek Reservoir

Where is Sandy Creek Reservoir?

Sandy Creek Reservoir is a lake in Randolph County, North Carolina. LakeQuality grades it F for nutrients and algae. The letter is not a swimming clearance.

What is the water quality grade for Sandy Creek Reservoir?

Sandy Creek Reservoir in Randolph County, North Carolina has a water quality grade of F (Algae-prone). Water clarity: 2.5 ft visibility. Phosphorus: 70 µg/L. Chlorophyll-a (algae): 41.5 µg/L. Surface area: 90 acres.

Is Sandy Creek Reservoir safe to swim in?

The F is nutrients and algae, not a swimming clearance. Sandy Creek Reservoir is listed impaired under Clean Water Act §303(d) (IR 5) for algal growth. Check local advisories before you swim.

How deep is Sandy Creek Reservoir?

No published bathymetric survey covers Sandy Creek Reservoir, so its depth has not been measured. The HydroLAKES global model estimates an average depth of about 29 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 90 acres.

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 WQX21NC03WQ60 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)

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

Impairment status from EPA ATTAINS 303(d) database

Lake size & watershed from HydroLAKES (HydroSHEDS)