Rockingham City Lake
Richmond County, North CarolinaView mapDirections
NC DEQ publishes the water-quality measurements for Rockingham City Lake. Here is what has been measured.
- Mesotrophic
- 25 ft max depth
- Limited data
Rockingham City Lake in Richmond County, North Carolina has water-quality measurements published by NC DEQ, shown here as reported. Phosphorus: 30 µg/L. Chlorophyll-a (algae): 6.2 µg/L.
Rockingham City Lake is a mesotrophic lake in Richmond County, North Carolina with an estimated average depth of about 25 feet. Compared to the 3 other monitored lakes in Richmond County, Rockingham City Lake ranks #1 for water quality.
Source: EPA Water Quality Portal sampling records, NCDEQ, last sampled 2021-09-23. 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 Rockingham City 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.
Water quality measurements for Rockingham City Lake
These are the measurements NC DEQ publishes for Rockingham City Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
No clarity data. Phosphorus 30 µg/L. Chlorophyll-a 6.2 µg/L. TSI 51.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | No reading How deep a black-and-white disk stays visible from the surface. Higher is clearer. | |
| Total phosphorus | 30µg/L | Good GoodFairPoor |
| Chlorophyll-a (algae) | 6.2µg/L | Good GoodFairPoor |
| Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a. | 51 | Mesotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Moderate nutrients, good water quality
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Lake Details
Max depth
~25 ft est.
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 Rockingham City Lake.
Lake Size & Watershed
Watershed (drainage) area
12 sq mi
HydroLAKES / HydroSHEDS
Surface area
37 acres
HydroLAKES / HydroSHEDS
Shoreline
1.1 mi
HydroLAKES / HydroSHEDS
Elevation
236 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.
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Fishing Rockingham City Lake
Nearby Lakes in Richmond County
Frequently asked questions about Rockingham City Lake
Where is Rockingham City Lake?
- Rockingham City Lake is a lake in Richmond 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 Rockingham City Lake?
- Rockingham City Lake in Richmond County, North Carolina has water-quality measurements published by NC DEQ, shown here as reported. Phosphorus: 30 µg/L. Chlorophyll-a (algae): 6.2 µg/L.
Is Rockingham City Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Rockingham City Lake?
- No published bathymetric survey covers Rockingham City Lake, so its depth has not been measured. The HydroLAKES global model estimates an average depth of about 25 feet, but that is a modelled estimate derived from surrounding terrain rather than a measurement on the water, so treat it as approximate.
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Where this data comes from
17 measurements from 1 monitoring station, 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
21NC03WQ17 samples · 2021
Analytical methods
- Phosphorus by Colorimetry
- 445.0 ~ EPA; Chlorophyll and Pheophytin in Algae by Fluorescence
- 2130 B ~ Nephelometric Method
Monitoring station identifiers (1)
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)