Mirror Lake
Worcester County, Massachusetts32 acresView mapDirections
No nutrient or algae sampling on record from MassDEP for this lake.
- Impaired · Algal growth
- 66 ft max depth
Mirror Lake in Worcester County, Massachusetts has water-quality measurements published by MassDEP, shown here as reported. Maximum depth: 65.6 ft. Surface area: 32 acres.
Mirror Lake is a 32-acre lake in Worcester County, Massachusetts with a maximum depth of 66 feet.
Source: EPA Water Quality Portal sampling records, MassDEP. Methodology: how these readings are compared.
What Mirror Lake is good for
From access and monitoring records, not editorial picks.
- Deep water65.6 ft surveyed max depth
Swimming conditions
No readingNot rated
Nutrient and algae readings are not a swimming clearance. Mirror Lake is listed impaired under Clean Water Act §303(d) (IR 5) for algal growth, mercury. Check local advisories before you swim.
Whether Mirror Lake 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 Mirror Lake
These are the measurements MassDEP publishes for Mirror 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 Mirror Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
65.6 ft
Surface area
32 acres
Shoreline
1.1 mi
Stays via Stay22
Stays near Mirror Lake
Compare lakeside cabins, hotels, and vacation rentals near Mirror Lake in Worcester County, Massachusetts — live availability and prices for your trip. Switch the map to Satellite to see the lake and how close each stay is to the water.
Top-rated places to stay near Mirror Lake
Prices for Oct 16–18, 4 adults. Change dates on the map below.
Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.
Planning a whole trip? See where to stay at Massachusetts’s top lakes →
Follow Mirror Lake’s readings
Email me when new measurements post for this lake. Updates stay free.
Or email
Fishing Mirror Lake
EPA Impairment Status
Mirror Lake 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: Aquatic life, Fish consumption.
Source: EPA ATTAINS assessment unit MA81085 · Official waterbody report
Nearby Lakes in Worcester County
Frequently asked questions about Mirror Lake
Where is Mirror Lake?
- Mirror Lake is a lake in Worcester County, Massachusetts. Its water-quality measurements are published by MassDEP and shown on this page as reported.
What is the water quality of Mirror Lake?
- Mirror Lake in Worcester County, Massachusetts has water-quality measurements published by MassDEP, shown here as reported. Maximum depth: 65.6 ft. Surface area: 32 acres.
Is Mirror Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Mirror Lake is listed impaired under Clean Water Act §303(d) (IR 5) for algal growth, mercury. Check local advisories before you swim.
How deep is Mirror Lake?
- Mirror Lake has a maximum depth of 65.6 feet. The lake covers 32 acres.
Explore Mirror Lake across LakeQuality
More lakes in Massachusetts
Other Lakes in Massachusetts
Where this data comes from
Measurements for Mirror Lake 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