Santa Maria Reservoir
Mineral County, Colorado535 acresView mapDirections
No nutrient or algae sampling on record from Colorado WQCD for this lake.
Santa Maria Reservoir in Mineral County, Colorado has water-quality measurements published by Colorado WQCD, shown here as reported. Surface area: 535 acres.
Santa Maria Reservoir is a 535-acre lake in Mineral County, Colorado.
Source: EPA Water Quality Portal sampling records, CDPHE. Methodology: how these readings are compared.
Swimming conditions
No readingNot rated
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Santa Maria 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.
Water quality measurements for Santa Maria Reservoir
These are the measurements Colorado WQCD publishes for Santa Maria 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 Santa Maria Reservoir
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
535 acres
Shoreline
6.1 mi
No bathymetric survey has been published for Santa Maria Reservoir, so its depth is not documented here.
Stays via Stay22
Stays near Santa Maria Reservoir
Compare lakeside cabins, hotels, and vacation rentals near Santa Maria Reservoir in Mineral 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 Santa Maria 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 Santa Maria Reservoir’s readings
Email me when new measurements post for this lake. Updates stay free.
Or email
Fishing Santa Maria Reservoir
Nearby Lakes in Mineral County
Frequently asked questions about Santa Maria Reservoir
Where is Santa Maria Reservoir?
- Santa Maria Reservoir is a lake in Mineral County, Colorado. Its water-quality measurements are published by Colorado WQCD and shown on this page as reported.
What is the water quality of Santa Maria Reservoir?
- Santa Maria Reservoir in Mineral County, Colorado has water-quality measurements published by Colorado WQCD, shown here as reported. Surface area: 535 acres.
Is Santa Maria Reservoir safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Explore Santa Maria Reservoir across LakeQuality
More lakes in Colorado
Other Lakes in Colorado
Where this data comes from
Measurements for Santa Maria Reservoir come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.