Brush Hollow Reservoir
Brush Hollow Reservoir in Fremont County, Colorado is not rated for water quality — its monitoring record does not meet the evidence bar. Surface area: 89 acres.
- Area
- 89 acres
- Public access
- Yes
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Why Brush Hollow Reservoir has no grade
We grade a lake only when the monitoring record supports a letter: at least three phosphorus or chlorophyll-a samples in the last ten years, scored against EPA National Lakes Assessment thresholds for this lake’s ecoregion. For Brush Hollow Reservoir, no water-quality sampling on record for this lake.
Not Rated is not an F. It is EPA Integrated Reporting Category 3 — insufficient information. The water here may be excellent or poor; nobody has measured enough of it to say. Everything below that has been measured is still reported on this page.
Sampling is run by CDPHE and volunteer programs, and published through the EPA Water Quality Portal. Read the full grading methodology.
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, last sampled recent years. Grade methodology: LakeQuality methodology.
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Swimming Safety
Not ratedElevated nutrients
Not rated for swimming — there is not enough monitoring data to judge this lake
Water quality measurements for Brush Hollow Reservoir
These readings exist but are not enough for an A–F grade — see why.
No clarity data. Trophic State Index: undefined.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No recent samples | |
| Phosphorus | No recent samples | |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) |
Where to stay near Brush Hollow Reservoir
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Lake Details
| Characteristic | Value |
|---|---|
| Surface Area | 89 acres |
| Public Access | Yes |
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
Fishing Brush Hollow Reservoir
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Frequently asked questions about Brush Hollow Reservoir
Where is Brush Hollow Reservoir?
- Brush Hollow Reservoir is a lake in Fremont County, Colorado. LakeQuality has not rated this lake (UNRATED) — no water-quality sampling on record for this lake.
What is the water quality grade for Brush Hollow Reservoir?
- Brush Hollow Reservoir in Fremont County, Colorado is not rated for water quality — its monitoring record does not meet the evidence bar. Surface area: 89 acres.
Is Brush Hollow Reservoir safe to swim in?
- Not rated for swimming — there is not enough monitoring data to judge this lake. Brush Hollow Reservoir is not rated for water quality — its monitoring record does not meet the evidence bar. Always check local health department advisories before swimming.
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.
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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
Named boat-access points from the USGS National Boat Ramps inventory