Portage Lake
Aroostook County, Maine2,260 acresView mapDirections
No nutrient or algae sampling on record from Maine DEP for this lake.
- 25 ft max depth
- Public access
Portage Lake in Aroostook County, Maine has water-quality measurements published by Maine DEP, shown here as reported. Maximum depth: 25 ft. Surface area: 2260 acres.
Portage Lake is a 2,260-acre lake in Aroostook County, Maine with a maximum depth of 25 feet (10-foot average). Limited fish-species data available. Public access is available with 1 public boat landing.
Source: EPA Water Quality Portal sampling records, your state environmental agency. Methodology: how these readings are compared.
What Portage Lake is good for
From access and monitoring records, not editorial picks.
- Boat launch1 documented ramp
- Big water2,260 acres
Swimming conditions
No readingNot rated
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Portage 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.
Water quality measurements for Portage Lake
These are the measurements Maine DEP publishes for Portage 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 Portage Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
25 ft
Average depth
10 ft
Surface area
2,260 acres
Shoreline
19 mi
Public access
Yes
Listed by Maine DEP
The depth above comes from a bathymetric survey of this lake, not from a regional estimate.
Recreation & Access
- Portage LakePublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
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Fishing Portage Lake
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Frequently asked questions about Portage Lake
Where is Portage Lake?
- Portage Lake is a lake in Aroostook County, Maine. Its water-quality measurements are published by Maine DEP and shown on this page as reported.
What is the water quality of Portage Lake?
- Portage Lake in Aroostook County, Maine has water-quality measurements published by Maine DEP, shown here as reported. Maximum depth: 25 ft. Surface area: 2260 acres.
Is Portage Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Portage Lake?
- Portage Lake has a maximum depth of 25 feet and an average depth of 10 feet. The lake covers 2260 acres.
Are there boat ramps on Portage Lake?
- Portage Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Portage Lake. Public access is listed as yes.
Can I fish at Portage Lake?
- Portage Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Seasons, size and bag limits, and whether you need a license are set by Maine's fish and wildlife agency, so check its current regulations before you go.
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Where this data comes from
Measurements for Portage Lake come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.
Other records on this page
Named boat-access points from the USGS National Boat Ramps inventory