Lake Isabelle
Boulder County, Colorado31 acresView mapDirections
No nutrient or algae sampling on record from Colorado WQCD for this lake.
Lake Isabelle in Boulder County, Colorado has water-quality measurements published by Colorado WQCD, shown here as reported. Surface area: 31 acres.
Lake Isabelle is a 31-acre lake in Boulder 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 Lake Isabelle 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 Lake Isabelle
These are the measurements Colorado WQCD publishes for Lake Isabelle, 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 Lake Isabelle
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
31 acres
Shoreline
1.2 mi
No bathymetric survey has been published for Lake Isabelle, so its depth is not documented here.
Stays via Stay22
Stays near Lake Isabelle
Compare lakeside cabins, hotels, and vacation rentals near Lake Isabelle in Boulder 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 Lake Isabelle
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Frequently asked questions about Lake Isabelle
Where is Lake Isabelle?
- Lake Isabelle is a lake in Boulder County, Colorado. Its water-quality measurements are published by Colorado WQCD and shown on this page as reported.
What is the water quality of Lake Isabelle?
- Lake Isabelle in Boulder County, Colorado has water-quality measurements published by Colorado WQCD, shown here as reported. Surface area: 31 acres.
Is Lake Isabelle safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
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Where this data comes from
Measurements for Lake Isabelle come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.