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LakeQuality
C

James City County Lake Quality

Virginia, 7 lakes, average grade C (Fair)

Only 7 lakes in James City County carry an active grade. The county-level summary is therefore representative of those specific lakes, not necessarily of every water body in the county. James City County averages to a C. The distribution behind that average matters more than the letter: a few stressed lakes versus many decent ones can produce the same average as the inverse.

Most of the county's monitored lakes are shallow — under 50 feet — which means wind keeps the water column mixed all summer and sediment-bound phosphorus releases back into the surface layer whenever the bottom is disturbed. Woodstock Pond North York R. State Park (D) is the cleanest in the county.

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All Lakes in James City County

RankLakeGradeClarityPhosphorus
1Woodstock Pond North York R. State ParkD-80 µg/L
2Woodstock Pond South York R. State ParkD-80 µg/L
3Woodstock Pond Stream York R. State ParkD-90 µg/L
4Nla LakeF2.6 ft6052.3 µg/L

See how James City County stacks up in the national county water-quality rankings, or browse the full directory of graded lakes across all 34 states.

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Source: EPA National Aquatic Resource Surveys, 2026.