Chickahominy Lake
Charles City County, VirginiaView mapDirections
Nutrients and algae sit mid-range for this region.
- Mesotrophic
- Impaired · Mercury
- #2 of 3 in the county
- Limited data
Chickahominy Lake in Charles City County, Virginia has a water quality grade of C (Fair). Water clarity: 2.6 ft visibility. Phosphorus: 85 µg/L. Chlorophyll-a (algae): 4.3 µg/L.
- Clarity
- 2.6 ft
- Type
- Mesotrophic
- Phosphorus
- 85 µg/L
- Chlorophyll-a
- 4.3 µg/L
- Trend
- ↓ Declining
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Watch Chickahominy Lake’s letter
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Chickahominy Lake is a mesotrophic lake in Charles City County, Virginia. Water quality is graded C based on 2 sampling years through 2026. Overall water quality is declining over recent sampling years. Compared to the 2 other monitored lakes in Charles City County, Chickahominy Lake ranks #2 for water quality.
Source: EPA Water Quality Portal sampling records, Virginia DEQ, last sampled 2026-06-23. 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. Chickahominy Lake 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: C (Fair)
Very murky, less than 2.6 ft of visibility. Phosphorus 85 µg/L. Chlorophyll-a 4.3 µg/L. TSI 59. The letter is not a swimming clearance.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 2.6 ft | Not graded |
| Phosphorus | 85 µg/L | Poor |
| Chlorophyll-a (Algae) | 4.3 µg/L | Good |
| Trophic State Index (TSI) | 59 | Mesotrophic |
Moderate nutrients, good water quality
Fishing Chickahominy Lake
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 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
County Ranking
Ranked #2 of 3 lakes in Charles City County
Nearby Lakes With Higher Grades
Chickahominy Lake holds Grade C. 3 nearby lakes hold higher nutrient-and-algae grades — useful for a swim day, not a reason to skip lodging here.
Nearby Lakes in Charles City County
Frequently asked questions about Chickahominy Lake
Where is Chickahominy Lake?
- Chickahominy Lake is a lake in Charles City County, Virginia. LakeQuality grades it C for nutrients and algae. The letter is not a swimming clearance.
What is the water quality grade for Chickahominy Lake?
- Chickahominy Lake in Charles City County, Virginia has a water quality grade of C (Fair). Water clarity: 2.6 ft visibility. Phosphorus: 85 µg/L. Chlorophyll-a (algae): 4.3 µg/L.
Is Chickahominy Lake safe to swim in?
- The C is nutrients and algae, not a swimming clearance. Chickahominy Lake 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 across LakeQuality
More Virginia Lake Rankings
Other Grade C Lakes in Virginia
Mesotrophic Lakes in Virginia
Where this data comes from
80 measurements from 2 monitoring stations, 2012–2026. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- VIRGINIA DEPARTMENT OF ENVIRONMENTAL QUALITY
21VASWCB80 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
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.
Other records on this page
Impairment status from EPA ATTAINS 303(d) database