Ruby Lake Unit Twenty-one
Ruby Lake Unit Twenty-one in Elko County, Nevada is not rated for water quality — its monitoring record does not meet the evidence bar. Surface area: 97 acres.
- Area
- 97 acres
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Why Ruby Lake Unit Twenty-one 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 Ruby Lake Unit Twenty-one, 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 NDEP and volunteer programs, and published through the EPA Water Quality Portal. Read the full grading methodology.
Ruby Lake Unit Twenty-one is a 97-acre lake in Elko County, Nevada.
Source: EPA Water Quality Portal sampling records, NDEP, last sampled recent years. Grade methodology: LakeQuality methodology.
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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 Ruby Lake Unit Twenty-one
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 Ruby Lake Unit Twenty-one
Compare lakeside cabins, hotels, and vacation rentals near Ruby Lake Unit Twenty-one in Elko County, Nevada — 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 Ruby Lake Unit Twenty-one
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Lake Details
| Characteristic | Value |
|---|---|
| Surface Area | 97 acres |
No bathymetric survey has been published for Ruby Lake Unit Twenty-one, so its depth is not documented here.
Fishing Ruby Lake Unit Twenty-one
Nearby Lakes in Elko County
Frequently asked questions about Ruby Lake Unit Twenty-one
Where is Ruby Lake Unit Twenty-one?
- Ruby Lake Unit Twenty-one is a lake in Elko County, Nevada. LakeQuality has not rated this lake (UNRATED) — no water-quality sampling on record for this lake.
What is the water quality grade for Ruby Lake Unit Twenty-one?
- Ruby Lake Unit Twenty-one in Elko County, Nevada is not rated for water quality — its monitoring record does not meet the evidence bar. Surface area: 97 acres.
Is Ruby Lake Unit Twenty-one safe to swim in?
- Not rated for swimming — there is not enough monitoring data to judge this lake. Ruby Lake Unit Twenty-one is not rated for water quality — its monitoring record does not meet the evidence bar. Always check local health department advisories before swimming.
Explore Ruby Lake Unit Twenty-one across LakeQuality
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Where this data comes from
Measurements for Ruby Lake Unit Twenty-one come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.