Jackson Gulch Reservoir
Jackson Gulch Reservoir in Montezuma County, Colorado is not rated for water quality — its monitoring record does not meet the evidence bar. Surface area: 223 acres.
- Area
- 223 acres
- Public access
- Yes
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Why Jackson Gulch 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 Jackson Gulch 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.
Jackson Gulch Reservoir is a 223-acre lake in Montezuma 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.
Watch Jackson Gulch Reservoir water quality
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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 Jackson Gulch 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 Jackson Gulch Reservoir
Compare lakeside cabins, hotels, and vacation rentals near Jackson Gulch Reservoir in Montezuma 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 Jackson Gulch Reservoir
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Lake Details
| Characteristic | Value |
|---|---|
| Surface Area | 223 acres |
| Public Access | Yes |
No bathymetric survey has been published for Jackson Gulch Reservoir, so its depth is not documented here.
Recreation & Access
- Mancos State ParkPublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Fishing Jackson Gulch Reservoir
Nearby Lakes in Montezuma County
Frequently asked questions about Jackson Gulch Reservoir
Where is Jackson Gulch Reservoir?
- Jackson Gulch Reservoir is a lake in Montezuma 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 Jackson Gulch Reservoir?
- Jackson Gulch Reservoir in Montezuma County, Colorado is not rated for water quality — its monitoring record does not meet the evidence bar. Surface area: 223 acres.
Is Jackson Gulch Reservoir safe to swim in?
- Not rated for swimming — there is not enough monitoring data to judge this lake. Jackson Gulch 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 Jackson Gulch Reservoir?
- Jackson Gulch Reservoir has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Mancos State Park. Public access is listed as yes.
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Where this data comes from
Measurements for Jackson Gulch 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