Brush Hollow Reservoir
Fremont County, Colorado89 acresView mapDirections
No nutrient or algae sampling on record from Colorado WQCD for this lake.
- Impaired · Mercury
- Public access
Brush Hollow Reservoir in Fremont County, Colorado has water-quality measurements published by Colorado WQCD, shown here as reported. Surface area: 89 acres.
Brush Hollow Reservoir is a 89-acre lake in Fremont County, Colorado. Limited fish-species data available. Public access is available with 1 public boat landing.
Source: EPA Water Quality Portal sampling records, CDPHE. Methodology: how these readings are compared.
What Brush Hollow Reservoir is good for
From access and monitoring records, not editorial picks.
- Boat launch1 documented ramp
Swimming conditions
No readingNot rated
Nutrient and algae readings are not a swimming clearance. Brush Hollow Reservoir is listed impaired under Clean Water Act §303(d) (IR 5) for mercury. Check local advisories before you swim.
Whether Brush Hollow 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 Brush Hollow Reservoir
These are the measurements Colorado WQCD publishes for Brush Hollow 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 Brush Hollow Reservoir
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
89 acres
Shoreline
2.3 mi
Public access
Yes
Listed by Colorado WQCD
No bathymetric survey has been published for Brush Hollow Reservoir, so its depth is not documented here.
Recreation & Access
- Brush Hollow State Wildlife AreaPublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Stays via Stay22
Stays near Brush Hollow Reservoir
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Fishing Brush Hollow Reservoir
EPA Impairment Status
Brush Hollow Reservoir is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 5).
Causes of impairment
Designated uses not supporting: Aquatic life.
A Total Maximum Daily Load (TMDL) plan has been approved.
Source: EPA ATTAINS assessment unit COARUA40_A · Official waterbody report
Nearby Lakes in Fremont County
Frequently asked questions about Brush Hollow Reservoir
Where is Brush Hollow Reservoir?
- Brush Hollow Reservoir is a lake in Fremont County, Colorado. Its water-quality measurements are published by Colorado WQCD and shown on this page as reported.
What is the water quality of Brush Hollow Reservoir?
- Brush Hollow Reservoir in Fremont County, Colorado has water-quality measurements published by Colorado WQCD, shown here as reported. Surface area: 89 acres.
Is Brush Hollow Reservoir safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Brush Hollow Reservoir is listed impaired under Clean Water Act §303(d) (IR 5) for mercury. Check local advisories before you swim.
Are there boat ramps on Brush Hollow Reservoir?
- Brush Hollow Reservoir has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Brush Hollow State Wildlife Area. Public access is listed as yes.
Can I fish at Brush Hollow Reservoir?
- Brush Hollow Reservoir has 1 documented boat landing in the USGS National Boat Ramps inventory. Seasons, size and bag limits, and whether you need a license are set by Colorado's fish and wildlife agency, so check its current regulations before you go.
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Where this data comes from
Measurements for Brush Hollow Reservoir 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
Named boat-access points from the USGS National Boat Ramps inventory