Where is Occoquan Reservoir?

Occoquan Reservoir is a lake in Prince William County, Virginia. Its water-quality measurements are published by Virginia DEQ and shown on this page as reported.

Occoquan Reservoir

Prince William County, Virginia1,302 acresView map Directions

No nutrient or algae sampling on record from Virginia DEQ for this lake.

Area

1,302 acres

Surface area

Shoreline

53.6 mi

Measured length

Impaired · PCBs

See the measurements Directions Where to stay

Occoquan Reservoir in Prince William County, Virginia has water-quality measurements published by Virginia DEQ, shown here as reported. Surface area: 1302 acres.

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Occoquan Reservoir is a 1,302-acre lake in Prince William County, Virginia.

Source: EPA Water Quality Portal sampling records, Virginia DEQ. Methodology: how these readings are compared.

What Occoquan Reservoir is good for

From access and monitoring records, not editorial picks.

Big water1,302 acres

Swimming conditions

No reading

Not rated

Nutrient and algae readings are not a swimming clearance. Occoquan Reservoir is listed impaired under Clean Water Act §303(d) (IR 5) for pCBs. Check local advisories before you swim.

Whether Occoquan Reservoir 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.

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Water quality measurements for Occoquan Reservoir

These are the measurements Virginia DEQ publishes for Occoquan Reservoir, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.

No clarity data. TSI undefined.

Ask about Occoquan Reservoir

Answers come straight from the public measurements and survey records on this page.

Lake Details

Surface area

1,302 acres

Shoreline

53.6 mi

No bathymetric survey has been published for Occoquan Reservoir, so its depth is not documented here.

Stays via Stay22

Stays near Occoquan Reservoir

Compare lakeside cabins, hotels, and vacation rentals near Occoquan Reservoir in Prince 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.

Top-rated places to stay near Occoquan Reservoir

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Fishing Occoquan Reservoir

→ Occoquan Reservoir fishing regulations (limits, seasons, special rules)

EPA Impairment Status

Occoquan Reservoir is officially listed as impaired under Clean Water Act §303(d) in the 2022 EPA reporting cycle (IR category 5).

Causes of impairment

PCBs

Designated uses not supporting: Fish consumption.

Source: EPA ATTAINS assessment unit VAN-A24L_OCC01A02 · Official waterbody report

Nearby Lakes in Prince William County

Lake Jackson6.2 miView →Lake Manassas—View →Burke Lake4.9 ft clear · Mesotrophic3.5 miView →Huntsman Lake4.8 miView →Lake Royal6.6 miView →Lake Accotink8.2 miView →

Frequently asked questions about Occoquan Reservoir

Where is Occoquan Reservoir?: Occoquan Reservoir is a lake in Prince 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 Occoquan Reservoir?: Occoquan Reservoir in Prince William County, Virginia has water-quality measurements published by Virginia DEQ, shown here as reported. Surface area: 1302 acres.
Is Occoquan Reservoir safe to swim in?: Nutrient and algae readings are not a swimming clearance. Occoquan Reservoir is listed impaired under Clean Water Act §303(d) (IR 5) for pCBs. Check local advisories before you swim.