Popcorn Rock Beach Lake
Washoe County, NevadaView mapDirections
Not enough samples to grade — no nutrient or algae measurement meets the evidence bar (at least 3 samples within 10 years). No letter yet. Here is what we do have.
- Limited data
Popcorn Rock Beach Lake in Washoe County, Nevada is not rated for water quality — its monitoring record does not meet the evidence bar. Phosphorus: 500 µg/L.
- Phosphorus
- 500 µg/L
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Why Popcorn Rock Beach 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 Popcorn Rock Beach Lake, no nutrient or algae measurement meets the evidence bar (at least 3 samples within 10 years). Sampling here has recorded phosphorus, but not water clarity and algae (chlorophyll-a).
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.
Popcorn Rock Beach Lake is a lake in Washoe County, Nevada.
Source: EPA Water Quality Portal sampling records, NDEP, last sampled 2021-09-29. Grade methodology: LakeQuality methodology.
Swimming Safety
Not ratedLimited data
The letter is not a swimming clearance. Check local advisories before you swim.
Water quality measurements for Popcorn Rock Beach Lake
These readings exist but are not enough for an A–F grade — see why.
No clarity data. Phosphorus 500 µg/L. TSI 94.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No recent samples | |
| Phosphorus | 500 µg/L | Not graded |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 94 | Hypereutrophic |
Very high nutrients, dense algae, poor clarity
Fishing Popcorn Rock Beach Lake
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Frequently asked questions about Popcorn Rock Beach Lake
Where is Popcorn Rock Beach Lake?
- Popcorn Rock Beach Lake is a lake in Washoe County, Nevada. LakeQuality has not rated this lake (UNRATED) — no nutrient or algae measurement meets the evidence bar (at least 3 samples within 10 years).
What is the water quality grade for Popcorn Rock Beach Lake?
- Popcorn Rock Beach Lake in Washoe County, Nevada is not rated for water quality — its monitoring record does not meet the evidence bar. Phosphorus: 500 µg/L.
Is Popcorn Rock Beach Lake safe to swim in?
- The letter is not a swimming clearance. Check local advisories before you swim.
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Where this data comes from
5 measurements from 1 monitoring station, 2021. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Pyramid Lake Paiute Tribe of the Pyramid Lake Reservation, Nevada (Tribal)
PYRAMIDLAKE5 samples · 2021
Analytical methods
- Metals in Water by ICP-AES
Monitoring station identifiers (1)
Grade thresholds from the EPA National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See how grades are calculated and data sources.