Where is Big Millpond?

Big Millpond is a lake in Worcester County, Maryland. Its water-quality measurements are published by MDE and shown on this page as reported.

Big Millpond

Worcester County, Maryland65 acresView map Directions

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

Area

65 acres

Surface area

Shoreline

3.3 mi

Measured length

Impaired · Nutrients (phosphorus, nitrogen)

See the measurements Directions Where to stay

Big Millpond in Worcester County, Maryland has water-quality measurements published by MDE, shown here as reported. Surface area: 65 acres.

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Big Millpond is a 65-acre lake in Worcester County, Maryland.

Source: EPA Water Quality Portal sampling records, your state environmental agency. Methodology: how these readings are compared.

Swimming conditions

No reading

Not rated

Nutrient and algae readings are not a swimming clearance. Big Millpond is listed impaired under Clean Water Act §303(d) (IR 4A) for nutrients (phosphorus, nitrogen), sediment / turbidity. Check local advisories before you swim.

Whether Big Millpond is safe to swim in today is a call for the Maryland Department of the Environment and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.

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Water quality measurements for Big Millpond

These are the measurements MDE publishes for Big 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. TSI undefined.

Ask about Big Millpond

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

Lake Details

Surface area

65 acres

Shoreline

3.3 mi

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

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Stays near Big Millpond

Compare lakeside cabins, hotels, and vacation rentals near Big Millpond in Worcester County, Maryland — 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.

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Fishing Big Millpond

→ Big Millpond fishing regulations (limits, seasons, special rules)

EPA Impairment Status

Big Millpond is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 4A).

Causes of impairment

Nutrients (phosphorus, nitrogen)Sediment / turbidity

Designated uses not supporting: Aquatic life.

A Total Maximum Daily Load (TMDL) plan has been approved.

Source: EPA ATTAINS assessment unit MD-021301060672-Big_Mill_Pond · Official waterbody report

Nearby Lakes in Worcester County

Purnell Pond10.3 miView →Blue Pond10.8 miView →Buddy Pond22.1 miView →Wrights Pond22.6 miView →

Frequently asked questions about Big Millpond

Where is Big Millpond?: Big Millpond is a lake in Worcester County, Maryland. Its water-quality measurements are published by MDE and shown on this page as reported.
What is the water quality of Big Millpond?: Big Millpond in Worcester County, Maryland has water-quality measurements published by MDE, shown here as reported. Surface area: 65 acres.
Is Big Millpond safe to swim in?: Nutrient and algae readings are not a swimming clearance. Big Millpond is listed impaired under Clean Water Act §303(d) (IR 4A) for nutrients (phosphorus, nitrogen), sediment / turbidity. Check local advisories before you swim.