Harper Lake
Boulder County, Colorado27 acresView mapDirections
No nutrient or algae sampling on record from Colorado WQCD for this lake.
Harper Lake in Boulder County, Colorado has water-quality measurements published by Colorado WQCD, shown here as reported. Surface area: 27 acres.
Harper Lake is a 27-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 Harper Lake 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 Harper Lake
These are the measurements Colorado WQCD publishes for Harper 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 Harper Lake
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
27 acres
No bathymetric survey has been published for Harper Lake, so its depth is not documented here.
Stays via Stay22
Stays near Harper Lake
Compare lakeside cabins, hotels, and vacation rentals near Harper Lake 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.
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Frequently asked questions about Harper Lake
Where is Harper Lake?
- Harper Lake 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 Harper Lake?
- Harper Lake in Boulder County, Colorado has water-quality measurements published by Colorado WQCD, shown here as reported. Surface area: 27 acres.
Is Harper Lake 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 Harper Lake come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.