Chickahominy Lake Sta Upper Lake New
Charles City County, VirginiaView mapDirections
Clarity, phosphorus, and algae sit in the clean band for this region.
- Eutrophic
- Impaired · Mercury
- #1 of 3 in the county
Chickahominy Lake Sta Upper Lake New in Charles City County, Virginia has a water quality grade of B (Good). Water clarity: 2.1 ft visibility. Phosphorus: 60 µg/L. Chlorophyll-a (algae): 12.5 µg/L.
- Clarity
- 2.1 ft
- Type
- Eutrophic
- Phosphorus
- 60 µg/L
- Chlorophyll-a
- 12.5 µg/L
- Trend
- ↓ Declining
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Watch Chickahominy Lake Sta Upper Lake New’s letter
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Chickahominy Lake Sta Upper Lake New is a productive, nutrient-rich eutrophic lake in Charles City County, Virginia. Water quality is graded B based on 1 sampling years through 2025. Overall water quality is declining over recent sampling years. Compared to the 2 other monitored lakes in Charles City County, Chickahominy Lake Sta Upper Lake New ranks #1 for water quality.
Source: EPA Water Quality Portal sampling records, Virginia DEQ, last sampled 2025-10-06. Grade methodology: LakeQuality methodology.
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 B is nutrients and algae, not a swimming clearance. Chickahominy Lake Sta Upper Lake New is listed impaired under Clean Water Act §303(d) (IR 5) for mercury, oxygen depletion (low DO). Check local advisories before you swim.
Water Quality Grade: B (Good)
Very murky, less than 2.1 ft of visibility. Phosphorus 60 µg/L. Chlorophyll-a 12.5 µg/L. TSI 62. The letter is not a swimming clearance.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 2.1 ft | Not graded |
| Phosphorus | 60 µg/L | Not graded |
| Chlorophyll-a (Algae) | 12.5 µg/L | Good |
| Trophic State Index (TSI) | 62 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Fishing Chickahominy Lake Sta Upper Lake New
Water Quality Trend: ↓ Declining
Based on 6 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↓ Declining | -0.023 m/yr | 6 |
| Phosphorus | → Stable | +0.05 µg/L/yr | 6 |
| Chlorophyll-a | ↓ Declining | +0.43 µg/L/yr | 6 |
EPA Impairment Status
Chickahominy Lake Sta Upper Lake New 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 VAP-G07L_CHK01A00 · Official waterbody report · Matched by proximity (0.98 km)
County Ranking
Ranked #1 of 3 lakes in Charles City County
Nearby Lakes With Higher Grades
Chickahominy Lake Sta Upper Lake New holds Grade B. One nearby lake has a higher nutrient-and-algae grade — useful for a swim day, not a reason to skip lodging here.
See full comparison →Nearby Lakes in Charles City County
Frequently asked questions about Chickahominy Lake Sta Upper Lake New
Where is Chickahominy Lake Sta Upper Lake New?
- Chickahominy Lake Sta Upper Lake New is a lake in Charles City County, Virginia. LakeQuality grades it B for nutrients and algae. The letter is not a swimming clearance.
What is the water quality grade for Chickahominy Lake Sta Upper Lake New?
- Chickahominy Lake Sta Upper Lake New in Charles City County, Virginia has a water quality grade of B (Good). Water clarity: 2.1 ft visibility. Phosphorus: 60 µg/L. Chlorophyll-a (algae): 12.5 µg/L.
Is Chickahominy Lake Sta Upper Lake New safe to swim in?
- The B is nutrients and algae, not a swimming clearance. Chickahominy Lake Sta Upper Lake New is listed impaired under Clean Water Act §303(d) (IR 5) for mercury, oxygen depletion (low DO). Check local advisories before you swim.
Explore Chickahominy Lake Sta Upper Lake New across LakeQuality
More Virginia Lake Rankings
Other Grade B Lakes in Virginia
Eutrophic Lakes in Virginia
Where this data comes from
178 measurements from 1 monitoring station, 2012–2025. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- VIRGINIA DEPARTMENT OF ENVIRONMENTAL QUALITY
21VASWCB178 samples · 2012–2025
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
- 2130 B ~ Nephelometric Method
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