Roberdel Lake
Richmond County, North Carolina80 acresView mapDirections
Nutrients and algae sit mid-range for this region.
- Eutrophic
- #4 of 4 in the county
- Limited data
Roberdel Lake in Richmond County, North Carolina has a water quality grade of C (Fair). Phosphorus: 35 µg/L. Chlorophyll-a (algae): 22 µg/L. Surface area: 80 acres.
- Area
- 80 acres
- Type
- Eutrophic
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Roberdel Lake is a 80-acre productive, nutrient-rich eutrophic lake in Richmond County, North Carolina. Water quality is graded C based on 2 sampling years through 2021. Compared to the 3 other monitored lakes in Richmond County, Roberdel Lake ranks #4 for water quality.
Source: EPA Water Quality Portal sampling records, NCDEQ, last sampled 2021-09-30. 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 C is nutrients and algae, not a swimming clearance. Check local advisories before you swim.
Water Quality Grade: C (Fair)
No clarity data. Phosphorus 35 µg/L. Chlorophyll-a 22 µg/L. TSI 58. The letter is not a swimming clearance.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No recent samples | |
| Phosphorus | 35 µg/L | Good |
| Chlorophyll-a (Algae) | 22 µg/L | Fair |
| Trophic State Index (TSI) | 58 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Lake Details
| Characteristic | Value |
|---|---|
| Surface Area | 80 acres |
No bathymetric survey has been published for Roberdel Lake, so its depth is not documented here.
Fishing Roberdel Lake
Reservoir Info (USACE NID)
Roberdel Lake is a man-made reservoir impounded by the Roberdel Lake Dam, built primarily for hydroelectric on the Hitchcock Creek; concrete-type dam, 30 ft tall and 365 ft long.
- Surface area
- 80 ac
- Normal storage
- 720 ac-ft
- Max storage
- 1,312 ac-ft
- Drainage area
- 91.84 sq mi
- Hazard class
- Significant
- Owner
- City of Rockingham
All listed purposes: Hydroelectric;Other;Recreation.
Source: USACE National Inventory of Dams, NID ID NC00652 · Operator website
County Ranking
Ranked #4 of 4 lakes in Richmond County
Nearby Lakes in Richmond County
Frequently asked questions about Roberdel Lake
Where is Roberdel Lake?
- Roberdel Lake is a lake in Richmond County, North Carolina. LakeQuality grades it C for nutrients and algae. The letter is not a swimming clearance.
What is the water quality grade for Roberdel Lake?
- Roberdel Lake in Richmond County, North Carolina has a water quality grade of C (Fair). Phosphorus: 35 µg/L. Chlorophyll-a (algae): 22 µg/L. Surface area: 80 acres.
Is Roberdel Lake safe to swim in?
- The C is nutrients and algae, not a swimming clearance. Check local advisories before you swim.
Explore Roberdel Lake across LakeQuality
Species activity outlook by water temperature and season
Where to stay at North Carolina's top lakes, each with its grade
High nutrients, frequent algae, reduced clarity
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Where this data comes from
30 measurements from 2 monitoring stations, 2021. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- North Carolina Dept of Environmental Quality NCDEQ-DWR WQX
21NC03WQ30 samples · 2021
Analytical methods
- 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.