Millvale Reservoir
Essex County, Massachusetts44 acresView mapDirections
No nutrient or algae sampling on record from MassDEP for this lake.
- Impaired · Mercury
Millvale Reservoir in Essex County, Massachusetts has water-quality measurements published by MassDEP, shown here as reported. Surface area: 44 acres.
Millvale Reservoir is a 44-acre lake in Essex County, Massachusetts.
Source: EPA Water Quality Portal sampling records, MassDEP. Methodology: how these readings are compared.
Swimming conditions
No readingNot rated
Nutrient and algae readings are not a swimming clearance. Millvale Reservoir is listed impaired under Clean Water Act §303(d) (IR 5) for mercury. Check local advisories before you swim.
Whether Millvale Reservoir is safe to swim in today is a call for the Massachusetts Department of Environmental Protection and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Millvale Reservoir
These are the measurements MassDEP publishes for Millvale Reservoir, 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 Millvale Reservoir
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
44 acres
Shoreline
2.2 mi
No bathymetric survey has been published for Millvale Reservoir, so its depth is not documented here.
Stays via Stay22
Stays near Millvale Reservoir
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Fishing Millvale Reservoir
EPA Impairment Status
Millvale Reservoir is officially listed as impaired under Clean Water Act §303(d) in the 2022 EPA reporting cycle (IR category 5).
Causes of impairment
Designated uses not supporting: Fish consumption.
Source: EPA ATTAINS assessment unit MA84041 · Official waterbody report
Nearby Lakes in Essex County
Frequently asked questions about Millvale Reservoir
Where is Millvale Reservoir?
- Millvale Reservoir is a lake in Essex County, Massachusetts. Its water-quality measurements are published by MassDEP and shown on this page as reported.
What is the water quality of Millvale Reservoir?
- Millvale Reservoir in Essex County, Massachusetts has water-quality measurements published by MassDEP, shown here as reported. Surface area: 44 acres.
Is Millvale Reservoir safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Millvale Reservoir is listed impaired under Clean Water Act §303(d) (IR 5) for mercury. Check local advisories before you swim.
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Where this data comes from
Measurements for Millvale Reservoir 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