Where is Fourth Machias Lake?

Fourth Machias Lake is a lake in Washington County, Maine. Its water-quality measurements are published by Maine DEP and shown on this page as reported.

How deep is Fourth Machias Lake?

Fourth Machias Lake has a maximum depth of 26.2 feet and an average depth of 13 feet. The lake covers 1638 acres.

Fourth Machias Lake

Washington County, Maine1,638 acresView map Directions

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

Max depth

26.2 ft

Bathymetric survey

Area

1,638 acres

Surface area

Shoreline

24.1 mi

Measured length

26 ft max depth

See the measurements Directions Where to stay

Fourth Machias Lake in Washington County, Maine has water-quality measurements published by Maine DEP, shown here as reported. Maximum depth: 26.2 ft. Surface area: 1638 acres.

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Fourth Machias Lake is a 1,638-acre lake in Washington County, Maine with a maximum depth of 26 feet (13-foot average).

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

What Fourth Machias Lake is good for

From access and monitoring records, not editorial picks.

Big water1,638 acres

Swimming conditions

No reading

Not rated

Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.

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

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Water quality measurements for Fourth Machias Lake

These are the measurements Maine DEP publishes for Fourth Machias 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 Fourth Machias Lake

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

Lake Details

Max depth

26.2 ft

Average depth

13 ft

Surface area

1,638 acres

Shoreline

24.1 mi

The depth above comes from a bathymetric survey of this lake, not from a regional estimate.

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Stays near Fourth Machias Lake

Compare lakeside cabins, hotels, and vacation rentals near Fourth Machias Lake in Washington County, Maine — 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 Fourth Machias Lake

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Fishing Fourth Machias Lake

→ Fourth Machias Lake fishing regulations (limits, seasons, special rules)

Nearby Lakes in Washington County

Lower Chain Lake4.8 miView →Sysladobsis Lake27.8 ft clear · Oligotrophic—View →Pocumcus Lake27.9 ft clear · Oligotrophic5.5 miView →Fifth Machias Lake—View →Third Machias Lake—View →Getchel Lakes—View →

Frequently asked questions about Fourth Machias Lake

Where is Fourth Machias Lake?: Fourth Machias Lake is a lake in Washington County, Maine. Its water-quality measurements are published by Maine DEP and shown on this page as reported.
What is the water quality of Fourth Machias Lake?: Fourth Machias Lake in Washington County, Maine has water-quality measurements published by Maine DEP, shown here as reported. Maximum depth: 26.2 ft. Surface area: 1638 acres.
Is Fourth Machias Lake safe to swim in?: Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Fourth Machias Lake?: Fourth Machias Lake has a maximum depth of 26.2 feet and an average depth of 13 feet. The lake covers 1638 acres.