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LakeQuality

Scotts Flat Reservoir

NR
Not yet rated
671 acres

Scotts Flat Reservoir in Nevada County, California is not rated for water quality — its monitoring record does not meet the evidence bar. Surface area: 671 acres.

Area
671 acres
Public access
Yes

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Why Scotts Flat 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 Scotts Flat 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 your state environmental agency and volunteer programs, and published through the EPA Water Quality Portal. Read the full grading methodology.

Scotts Flat Reservoir is a 671-acre lake in Nevada County, California. Limited fish-species data available. Public access is available with 3 public boat landings.

Source: EPA Water Quality Portal sampling records, your state environmental agency, 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 Scotts Flat 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 Scotts Flat Reservoir

Compare lakeside cabins, hotels, and vacation rentals near Scotts Flat Reservoir in Nevada County, California — 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 Scotts Flat Reservoir

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Lake Details

CharacteristicValue
Surface Area671 acres
Public AccessYes

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

Recreation & Access

3
Boat Landings
Yes
Public Access
  • Cascade ShoresPublic
  • Scotts Flat MarinaPublic
  • Scotts Flat Recreation AreaPublic

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

Fishing Scotts Flat Reservoir

Nearby Lakes in Nevada County

Frequently asked questions about Scotts Flat Reservoir

Where is Scotts Flat Reservoir?

Scotts Flat Reservoir is a lake in Nevada County, California. LakeQuality has not rated this lake (UNRATED) — no water-quality sampling on record for this lake.

What is the water quality grade for Scotts Flat Reservoir?

Scotts Flat Reservoir in Nevada County, California is not rated for water quality — its monitoring record does not meet the evidence bar. Surface area: 671 acres.

Is Scotts Flat Reservoir safe to swim in?

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

Scotts Flat Reservoir has 3 documented boat landings in the USGS National Boat Ramps inventory. Named access points include Cascade Shores, Scotts Flat Marina, Scotts Flat Recreation Area. Public access is listed as yes.

Where this data comes from

Measurements for Scotts Flat 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