Monson Pond
Aroostook County, Maine150 acresView mapDirections
No nutrient or algae sampling on record from Maine DEP for this lake.
- Impaired · Nutrients (phosphorus, nitrogen)
- 15 ft max depth
Monson Pond in Aroostook County, Maine has water-quality measurements published by Maine DEP, shown here as reported. Maximum depth: 15 ft. Surface area: 150 acres.
Monson Pond is a 150-acre lake in Aroostook County, Maine with a maximum depth of 15 feet (8-foot average).
Source: EPA Water Quality Portal sampling records, your state environmental agency. Methodology: how these readings are compared.
Swimming conditions
No readingRecreation use not supported
Nutrient and algae readings are not a swimming clearance. Monson Pond is listed impaired under Clean Water Act §303(d) (IR 4A) for nutrients (phosphorus, nitrogen), turbidity. Check local advisories before you swim.
Whether Monson Pond 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 Monson Pond
These are the measurements Maine DEP publishes for Monson Pond, 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 Monson Pond
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
15 ft
Average depth
8 ft
Surface area
150 acres
Shoreline
4.6 mi
The depth above comes from a bathymetric survey of this lake, not from a regional estimate.
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Fishing Monson Pond
EPA Impairment Status
Monson Pond is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 4A).
Causes of impairment
Designated uses not supporting: Aquatic life, Recreation.
A Total Maximum Daily Load (TMDL) plan has been approved.
Source: EPA ATTAINS assessment unit ME0101000413_1820L · Official waterbody report
Nearby Lakes in Aroostook County
Frequently asked questions about Monson Pond
Where is Monson Pond?
- Monson Pond 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 Monson Pond?
- Monson Pond in Aroostook County, Maine has water-quality measurements published by Maine DEP, shown here as reported. Maximum depth: 15 ft. Surface area: 150 acres.
Is Monson Pond safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Monson Pond is listed impaired under Clean Water Act §303(d) (IR 4A) for nutrients (phosphorus, nitrogen), turbidity. Check local advisories before you swim.
How deep is Monson Pond?
- Monson Pond has a maximum depth of 15 feet and an average depth of 8 feet. The lake covers 150 acres.
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Where this data comes from
Measurements for Monson Pond come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.
Other records on this page
Impairment status from EPA ATTAINS 303(d) database