Cohoke Millpond
King William County, VirginiaView mapDirections
Virginia DEQ publishes the water-quality measurements for Cohoke Millpond. Here is what has been measured.
- Eutrophic
- Public access
- Limited data
Cohoke Millpond in King William County, Virginia has water-quality measurements published by Virginia DEQ, shown here as reported. Phosphorus: 65 µg/L.
Cohoke Millpond is a productive, nutrient-rich eutrophic lake in King William County, Virginia. Limited fish-species data available. Public access is available.
Source: EPA Water Quality Portal sampling records, Virginia DEQ, last sampled 2020-12-29. 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 Cohoke Millpond is safe to swim in today is a call for the Virginia Department of Environmental Quality and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Cohoke Millpond
These are the measurements Virginia DEQ publishes for Cohoke Millpond, 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 65 µg/L. TSI 64.
| 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 | 65µg/L | Poor GoodFairPoor |
| Chlorophyll-a (algae) | No reading The green pigment in algae — a direct measure of how much algae is in the water. | |
| Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a. | 64 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
Ask about Cohoke Millpond
Answers come straight from the public measurements and survey records on this page.
Stays via Stay22
Stays near Cohoke Millpond
Compare lakeside cabins, hotels, and vacation rentals near Cohoke Millpond in King William County, Virginia — live availability and prices for your trip. Switch the map to Satellite to see the lake and how close each stay is to the water. The water-quality readings cover nutrients and algae, not lodging. Cabins and rentals around Cohoke Millpond are listed below.
Top-rated places to stay near Cohoke Millpond
Prices for Oct 30–Nov 1, 4 adults. Change dates on the map below.
Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.
Planning a whole trip? See where to stay at Virginia’s top lakes →
Follow Cohoke Millpond’s readings
Email me when new measurements post for this lake. Updates stay free.
Or email
Fishing Cohoke Millpond
Reservoir Info (USACE NID)
Cohoke Millpond is a man-made reservoir impounded by the Cohoke Mill Dam, built primarily for recreation on the Cohoke Mill Creek; earth-type dam, 9 ft tall and 1,100 ft long.
- Normal storage
- 183 ac-ft
- Max storage
- 723 ac-ft
- Drainage area
- 16.28 sq mi
- Hazard class
- Undetermined
Source: USACE National Inventory of Dams, NID ID VA101004 · Operator website · Matched by proximity (0.07 km)
Nearby Lakes in King William County
Frequently asked questions about Cohoke Millpond
Where is Cohoke Millpond?
- Cohoke Millpond is a lake in King William County, Virginia. Its water-quality measurements are published by Virginia DEQ and shown on this page as reported.
What is the water quality of Cohoke Millpond?
- Cohoke Millpond in King William County, Virginia has water-quality measurements published by Virginia DEQ, shown here as reported. Phosphorus: 65 µg/L.
Is Cohoke Millpond safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Can I fish at Cohoke Millpond?
- Public access to Cohoke Millpond is listed as yes on the lake record. Seasons, size and bag limits, and whether you need a license are set by Virginia's fish and wildlife agency, so check its current regulations before you go.
Explore Cohoke Millpond across LakeQuality
More lakes in Virginia
Other Lakes in Virginia
Eutrophic Lakes in Virginia
Where this data comes from
10 measurements from 1 monitoring station, 2020. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- VIRGINIA DEPARTMENT OF ENVIRONMENTAL QUALITY
21VASWCB10 samples · 2020
Analytical methods
- Total Phosphorus After Block Digestion
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.