Walnut Lake
Walnut Lake in Faribault County, Minnesota is not rated for water quality — its monitoring record does not meet the evidence bar. Surface area: 683 acres.
- Area
- 683 acres
- Public access
- Yes
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Why Walnut 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 Walnut 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 MPCA and volunteer programs, and published through the EPA Water Quality Portal. Read the full grading methodology.
Walnut Lake is a 683-acre lake in Faribault County, Minnesota. Limited fish-species data available. Public access is available with 1 public boat landing.
Source: EPA Water Quality Portal sampling records, Minnesota DNR LakeFinder, last sampled recent years. Grade methodology: LakeQuality methodology.
Watch Walnut 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 Walnut 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 Walnut Lake
Compare lakeside cabins, hotels, and vacation rentals near Walnut Lake in Faribault County, Minnesota — 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 Walnut Lake
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Lake Details
| Characteristic | Value |
|---|---|
| Surface Area | 683 acres |
| Public Access | Yes |
No bathymetric survey has been published for Walnut Lake, so its depth is not documented here.
Recreation & Access
- Walnut LakePublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Fishing Walnut Lake
Nearby Lakes in Faribault County
Frequently asked questions about Walnut Lake
Where is Walnut Lake?
- Walnut Lake is a lake in Faribault County, Minnesota. LakeQuality has not rated this lake (UNRATED) — no water-quality sampling on record for this lake.
What is the water quality grade for Walnut Lake?
- Walnut Lake in Faribault County, Minnesota is not rated for water quality — its monitoring record does not meet the evidence bar. Surface area: 683 acres.
Is Walnut Lake safe to swim in?
- Not rated for swimming — there is not enough monitoring data to judge this lake. Walnut 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 Walnut Lake?
- Walnut Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Walnut Lake. Public access is listed as yes.
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Where this data comes from
Measurements for Walnut Lake come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.
Other records on this page
Lake details from Minnesota DNR LakeFinder
Named boat-access points from the USGS National Boat Ramps inventory