Sta B Lake
Mecklenburg County, VirginiaView mapDirections
Clarity, phosphorus, and algae all sit in the cleanest band for this region.
- Mesotrophic
- Impaired · Mercury
- #2 of 9 in the county
- Public access
Sta B Lake in Mecklenburg County, Virginia has a water quality grade of A (Excellent). Water clarity: 7.2 ft visibility. Phosphorus: 10 µg/L. Chlorophyll-a (algae): 3.8 µg/L.
- Clarity
- 7.2 ft
- Type
- Mesotrophic
- Phosphorus
- 10 µg/L
- Chlorophyll-a
- 3.8 µg/L
- Trend
- ↓ Declining
- Public access
- Yes
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Sta B Lake is a mesotrophic lake in Mecklenburg County, Virginia. Water quality is graded A based on 2 sampling years through 2026. Overall water quality is declining over recent sampling years. Limited fish-species data available. Public access is available with 3 public boat landings. Compared to the 8 other monitored lakes in Mecklenburg County, Sta B Lake ranks #2 for water quality.
Source: EPA Water Quality Portal sampling records, Virginia DEQ, last sampled 2026-06-22. Grade methodology: LakeQuality methodology.
What Sta B Lake is good for
From access and monitoring records, not editorial picks.
- Boat launch3 documented ramps
Swimming Safety
Grade onlyLow algae
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 A is nutrients and algae, not a swimming clearance. Sta B Lake is listed impaired under Clean Water Act §303(d) (IR 5) for mercury, oxygen depletion (low DO), pCBs. Check local advisories before you swim.
Water Quality Grade: A (Excellent)
Moderate clarity, visible to about 7.2 ft. Phosphorus 10 µg/L. Chlorophyll-a 3.8 µg/L. TSI 43. The letter is not a swimming clearance.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 7.2 ft | Not graded |
| Phosphorus | 10 µg/L | Good |
| Chlorophyll-a (Algae) | 3.8 µg/L | Good |
| Trophic State Index (TSI) | 43 | Mesotrophic |
Moderate nutrients, good water quality
Recreation & Access
- Henderson PointPublic
- County LinePublic
- Eastland CreekPublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Fishing Sta B Lake
Water Quality Trend: ↓ Declining
Based on 12 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | → Stable | +0.022 m/yr | 12 |
| Phosphorus | → Stable | +0.06 µg/L/yr | 11 |
| Chlorophyll-a | ↓ Declining | +0.18 µg/L/yr | 11 |
EPA Impairment Status
Sta B Lake is officially listed as impaired under Clean Water Act §303(d) in the 2022 EPA reporting cycle (IR category 5).
Causes of impairment
Source: EPA ATTAINS assessment unit VAW-L75L_ROA05L98 · Official waterbody report · Matched by proximity (2.87 km)
County Ranking
Ranked #2 of 9 lakes in Mecklenburg County
Nearby Lakes in Mecklenburg County
Frequently asked questions about Sta B Lake
Where is Sta B Lake?
- Sta B Lake is a lake in Mecklenburg County, Virginia. LakeQuality grades it A for nutrients and algae. The letter is not a swimming clearance.
What is the water quality grade for Sta B Lake?
- Sta B Lake in Mecklenburg County, Virginia has a water quality grade of A (Excellent). Water clarity: 7.2 ft visibility. Phosphorus: 10 µg/L. Chlorophyll-a (algae): 3.8 µg/L.
Is Sta B Lake safe to swim in?
- The A is nutrients and algae, not a swimming clearance. Sta B Lake is listed impaired under Clean Water Act §303(d) (IR 5) for mercury, oxygen depletion (low DO), pCBs. Check local advisories before you swim.
Are there boat ramps on Sta B Lake?
- Sta B Lake has 3 documented boat landings in the USGS National Boat Ramps inventory. Named access points include Henderson Point, County Line, Eastland Creek. Public access is listed as yes.
Explore Sta B Lake across LakeQuality
More Virginia Lake Rankings
Other Grade A Lakes in Virginia
Mesotrophic Lakes in Virginia
Where this data comes from
466 measurements from 1 monitoring station, 2012–2026. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- VIRGINIA DEPARTMENT OF ENVIRONMENTAL QUALITY
21VASWCB466 samples · 2012–2026
Analytical methods
- Tyler, John. 1968. The secchi disk, Limnology and Oceanograpy, 13(1):1-6.
- Total Phosphorus After Block Digestion
- 445.0 ~ EPA; Chlorophyll and Pheophytin in Algae by Fluorescence
- 446.0 ~ EPA; Chlorophylls and Pheopigments in Phytoplankton by Spectrophotometry
Monitoring station identifiers (1)
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
Named boat-access points from the USGS National Boat Ramps inventory