Berris Tinaja Lake
Clark 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
Berris Tinaja Lake in Clark County, Nevada is not rated for water quality — its monitoring record does not meet the evidence bar. Phosphorus: 24 µg/L.
- Phosphorus
- 24 µg/L
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Watch Berris Tinaja Lake’s letter
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Why Berris Tinaja 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 Berris Tinaja 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.
Berris Tinaja Lake is a lake in Clark County, Nevada.
Source: EPA Water Quality Portal sampling records, NDEP, last sampled 2022-08-25. 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 Berris Tinaja Lake
These readings exist but are not enough for an A–F grade — see why.
No clarity data. Phosphorus 24 µg/L. TSI 50.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No recent samples | |
| Phosphorus | 24 µg/L | Not graded |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 50 | Mesotrophic |
Moderate nutrients, good water quality
Fishing Berris Tinaja Lake
Nearby Lakes in Clark County
Frequently asked questions about Berris Tinaja Lake
Where is Berris Tinaja Lake?
- Berris Tinaja Lake is a lake in Clark 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 Berris Tinaja Lake?
- Berris Tinaja Lake in Clark County, Nevada is not rated for water quality — its monitoring record does not meet the evidence bar. Phosphorus: 24 µg/L.
Is Berris Tinaja Lake safe to swim in?
- The letter is not a swimming clearance. Check local advisories before you swim.
Explore Berris Tinaja Lake across LakeQuality
2 documented falls within 19.3 mi, nearest Lost Creek Falls
4 thermal springs within 22.9 mi, nearest White Rock Spring
Species activity outlook by water temperature and season
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Where this data comes from
1 measurement from 1 monitoring station, 2022. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- USGS Nevada Water Science Center
USGS-NV1 sample · 2022
Analytical methods
- P, wu, WCA, persulfate CF color
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.