Skip to main content
LakeQuality

Mason Reservoir

Teller County, Colorado111 acresView mapDirections

No nutrient or algae sampling on record from Colorado WQCD for this lake.

Area
111 acres
Surface area
Shoreline
2.2 mi
Measured length

Mason Reservoir in Teller County, Colorado has water-quality measurements published by Colorado WQCD, shown here as reported. Surface area: 111 acres.

Loading map…

Mason Reservoir is a 111-acre lake in Teller County, Colorado.

Source: EPA Water Quality Portal sampling records, CDPHE. Methodology: how these readings are compared.

Swimming conditions

No reading

Not rated

Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.

Whether Mason Reservoir is safe to swim in today is a call for the Water Quality Control Division of the Colorado Department of Public Health and Environment and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.

Get alerts for Mason Reservoir →

Water quality measurements for Mason Reservoir

These are the measurements Colorado WQCD publishes for Mason 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 Mason Reservoir

Answers come straight from the public measurements and survey records on this page.

Lake Details

Surface area

111 acres

Shoreline

2.2 mi

No bathymetric survey has been published for Mason Reservoir, so its depth is not documented here.

Stays via Stay22

Stays near Mason Reservoir

Compare lakeside cabins, hotels, and vacation rentals near Mason Reservoir in Teller County, Colorado — 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 Mason Reservoir

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 Colorado’s top lakes →

Follow Mason Reservoir’s readings

Email me when new measurements post for this lake. Updates stay free.


Or email

Fishing Mason Reservoir

Nearby Lakes in Teller County

Frequently asked questions about Mason Reservoir

Where is Mason Reservoir?

Mason Reservoir is a lake in Teller County, Colorado. Its water-quality measurements are published by Colorado WQCD and shown on this page as reported.

What is the water quality of Mason Reservoir?

Mason Reservoir in Teller County, Colorado has water-quality measurements published by Colorado WQCD, shown here as reported. Surface area: 111 acres.

Measurements on this page ↑

Is Mason Reservoir safe to swim in?

Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.

Swimming on this page ↑

Where this data comes from

Measurements for Mason Reservoir come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.