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LakeQuality

Spinney Mountain Reservoir

NR
Not yet rated
2,403 acres

Spinney Mountain Reservoir in Park County, Colorado is not rated for water quality — its monitoring record does not meet the evidence bar. Surface area: 2403 acres.

Area
2,403 acres

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Why Spinney Mountain 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 Spinney Mountain 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.

Spinney Mountain Reservoir is a 2,403-acre lake in Park County, Colorado.

Source: EPA Water Quality Portal sampling records, CDPHE, last sampled recent years. Grade methodology: LakeQuality methodology.

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Swimming Safety

Not rated

Elevated nutrients

Not rated for swimming — there is not enough monitoring data to judge this lake

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Water quality measurements for Spinney Mountain Reservoir

These readings exist but are not enough for an A–F grade — see why.

No clarity data. Trophic State Index: undefined.

MetricValueGrade
Water Clarity (Secchi Depth)No recent samples
PhosphorusNo recent samples
Chlorophyll-a (Algae)No recent samples
Trophic State Index (TSI)

Where to stay near Spinney Mountain Reservoir

Compare lakeside cabins, hotels, and vacation rentals near Spinney Mountain Reservoir in Park 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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Lake Details

CharacteristicValue
Surface Area2,403 acres

No bathymetric survey has been published for Spinney Mountain Reservoir, so its depth is not documented here.

Recreation & Access

1
Boat Landings
  • Spinney Mountain State ParkPublic

Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps

Fishing Spinney Mountain Reservoir

Nearby Lakes in Park County

Frequently asked questions about Spinney Mountain Reservoir

Where is Spinney Mountain Reservoir?

Spinney Mountain Reservoir is a lake in Park 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 Spinney Mountain Reservoir?

Spinney Mountain Reservoir in Park County, Colorado is not rated for water quality — its monitoring record does not meet the evidence bar. Surface area: 2403 acres.

Is Spinney Mountain Reservoir safe to swim in?

Not rated for swimming — there is not enough monitoring data to judge this lake. Spinney Mountain 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 Spinney Mountain Reservoir?

Spinney Mountain Reservoir has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Spinney Mountain State Park.

Where this data comes from

Measurements for Spinney Mountain 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