Fern Ridge Lake
Fern Ridge Lake in Lane County, Oregon is not rated for water quality — its monitoring record does not meet the evidence bar. Surface area: 6581 acres.
- Area
- 6,581 acres
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Why Fern Ridge Lake 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 Fern Ridge Lake, 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 Oregon DEQ and volunteer programs, and published through the EPA Water Quality Portal. Read the full grading methodology.
Fern Ridge Lake is a 6,581-acre lake in Lane County, Oregon. Public access is available with 1 public boat landing.
Source: EPA Water Quality Portal sampling records, Oregon DEQ, last sampled recent years. Grade methodology: LakeQuality methodology.
Watch Fern Ridge Lake 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 Fern Ridge Lake
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 Fern Ridge Lake
Compare lakeside cabins, hotels, and vacation rentals near Fern Ridge Lake in Lane County, Oregon — 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 Fern Ridge Lake
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Lake Details
| Characteristic | Value |
|---|---|
| Surface Area | 6,581 acres |
No bathymetric survey has been published for Fern Ridge Lake, so its depth is not documented here.
Recreation & Access
- Fern Ridge Shores RV ParkSemi-private
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Fishing Fern Ridge Lake
Nearby Lakes in Lane County
Frequently asked questions about Fern Ridge Lake
Where is Fern Ridge Lake?
- Fern Ridge Lake is a lake in Lane County, Oregon. LakeQuality has not rated this lake (UNRATED) — no water-quality sampling on record for this lake.
What is the water quality grade for Fern Ridge Lake?
- Fern Ridge Lake in Lane County, Oregon is not rated for water quality — its monitoring record does not meet the evidence bar. Surface area: 6581 acres.
Is Fern Ridge Lake safe to swim in?
- Not rated for swimming — there is not enough monitoring data to judge this lake. Fern Ridge Lake 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 Fern Ridge Lake?
- Fern Ridge Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Fern Ridge Shores RV Park.
Explore Fern Ridge Lake across LakeQuality
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Where this data comes from
Measurements for Fern Ridge Lake 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