Where is Wenham Lake?

Wenham Lake is a lake in Essex County, Massachusetts. Its water-quality measurements are published by MassDEP and shown on this page as reported.

Wenham Lake

Essex County, Massachusetts248 acresView map Directions

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

Area

248 acres

Surface area

Shoreline

4.3 mi

Measured length

Impaired · Mercury

See the measurements Directions Where to stay

Wenham Lake in Essex County, Massachusetts has water-quality measurements published by MassDEP, shown here as reported. Surface area: 248 acres.

Loading map…

Wenham Lake is a 248-acre lake in Essex County, Massachusetts.

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

Swimming conditions

No reading

Not rated

Nutrient and algae readings are not a swimming clearance. Wenham Lake is listed impaired under Clean Water Act §303(d) (IR 5) for mercury, pesticides. Check local advisories before you swim.

Whether Wenham Lake is safe to swim in today is a call for the Massachusetts Department of Environmental Protection and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.

Get alerts for Wenham Lake →

Water quality measurements for Wenham Lake

These are the measurements MassDEP publishes for Wenham Lake, 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 Wenham Lake

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

Lake Details

Surface area

248 acres

Shoreline

4.3 mi

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

Stays via Stay22

Stays near Wenham Lake

Compare lakeside cabins, hotels, and vacation rentals near Wenham Lake in Essex County, Massachusetts — 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 Wenham Lake

Prices for Oct 16–18, 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 Massachusetts’s top lakes →

Follow Wenham Lake’s readings

Email me when new measurements post for this lake. Updates stay free.

Or email

Fishing Wenham Lake

→ Wenham Lake fishing regulations (limits, seasons, special rules)

EPA Impairment Status

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

Causes of impairment

MercuryPesticides

Designated uses not supporting: Fish consumption.

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

Source: EPA ATTAINS assessment unit MA92073 · Official waterbody report

Nearby Lakes in Essex County

Norwood Pond1.2 miView →Pleasant Pond1.6 miView →Longham Reservoir1.2 miView →Putnamville Reservoir2.9 miView →Beck Pond3.5 miView →Round Pond3.7 miView →

Frequently asked questions about Wenham Lake

Where is Wenham Lake?: Wenham Lake is a lake in Essex County, Massachusetts. Its water-quality measurements are published by MassDEP and shown on this page as reported.
What is the water quality of Wenham Lake?: Wenham Lake in Essex County, Massachusetts has water-quality measurements published by MassDEP, shown here as reported. Surface area: 248 acres.
Is Wenham Lake safe to swim in?: Nutrient and algae readings are not a swimming clearance. Wenham Lake is listed impaired under Clean Water Act §303(d) (IR 5) for mercury, pesticides. Check local advisories before you swim.