Lake Onawa
Piscataquis County, Maine1,193 acresView mapDirections
No nutrient or algae sampling on record from Maine DEP for this lake.
- 76 ft max depth
- Public access
Lake Onawa in Piscataquis County, Maine has water-quality measurements published by Maine DEP, shown here as reported. Maximum depth: 76 ft. Surface area: 1193 acres.
Lake Onawa is a 1,193-acre lake in Piscataquis County, Maine with a maximum depth of 76 feet (19-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 Lake Onawa is good for
From access and monitoring records, not editorial picks.
- Boat launch1 documented ramp
- Deep water76 ft surveyed max depth
- Big water1,193 acres
Swimming conditions
No readingNot rated
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Lake Onawa 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 Lake Onawa
These are the measurements Maine DEP publishes for Lake Onawa, 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 Lake Onawa
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
76 ft
Average depth
19 ft
Surface area
1,193 acres
Shoreline
13.9 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
- Lake OnawaPublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Stays via Stay22
Stays near Lake Onawa
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Top-rated places to stay near Lake Onawa
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Fishing Lake Onawa
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Frequently asked questions about Lake Onawa
Where is Lake Onawa?
- Lake Onawa is a lake in Piscataquis County, Maine. Its water-quality measurements are published by Maine DEP and shown on this page as reported.
What is the water quality of Lake Onawa?
- Lake Onawa in Piscataquis County, Maine has water-quality measurements published by Maine DEP, shown here as reported. Maximum depth: 76 ft. Surface area: 1193 acres.
Is Lake Onawa safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
How deep is Lake Onawa?
- Lake Onawa has a maximum depth of 76 feet and an average depth of 19 feet. The lake covers 1193 acres.
Are there boat ramps on Lake Onawa?
- Lake Onawa has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Lake Onawa. Public access is listed as yes.
Can I fish at Lake Onawa?
- Lake Onawa 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 Lake Onawa 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