Morrill Pond
Merrimack County, New Hampshire28 acresView mapDirections
No nutrient or algae sampling on record from NHDES for this lake.
- Impaired · Mercury
Morrill Pond in Merrimack County, New Hampshire has water-quality measurements published by NHDES, shown here as reported. Surface area: 28 acres.
Morrill Pond is a 28-acre lake in Merrimack County, New Hampshire.
Source: EPA Water Quality Portal sampling records, your state environmental agency. Methodology: how these readings are compared.
Swimming conditions
No readingNot rated
Nutrient and algae readings are not a swimming clearance. Morrill Pond is listed impaired under Clean Water Act §303(d) (IR 4A) for mercury, pH / acidity. Check local advisories before you swim.
Whether Morrill Pond is safe to swim in today is a call for the New Hampshire Department of Environmental Services and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Morrill Pond
These are the measurements NHDES publishes for Morrill 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 Morrill Pond
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
28 acres
Shoreline
1.2 mi
No bathymetric survey has been published for Morrill Pond, so its depth is not documented here.
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Fishing Morrill Pond
EPA Impairment Status
Morrill 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, Fish consumption.
A Total Maximum Daily Load (TMDL) plan has been approved.
Source: EPA ATTAINS assessment unit NHIMP700060302-02 · Official waterbody report
Nearby Lakes in Merrimack County
Frequently asked questions about Morrill Pond
Where is Morrill Pond?
- Morrill Pond is a lake in Merrimack County, New Hampshire. Its water-quality measurements are published by NHDES and shown on this page as reported.
What is the water quality of Morrill Pond?
- Morrill Pond in Merrimack County, New Hampshire has water-quality measurements published by NHDES, shown here as reported. Surface area: 28 acres.
Is Morrill Pond safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Morrill Pond is listed impaired under Clean Water Act §303(d) (IR 4A) for mercury, pH / acidity. Check local advisories before you swim.
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Where this data comes from
Measurements for Morrill 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