Hidden Valley Tinaja Lake is a highly nutrient-loaded hypereutrophic lake in Clark County, Nevada. Water quality is graded F based on 1 sampling years through 2022. Compared to the 6 other monitored lakes in Clark County, Hidden Valley Tinaja Lake ranks #7 for water quality.
Source: EPA Water Quality Portal sampling records, Nevada DNR, last sampled 2022-08-05. Grade methodology: LakeGrade methodology.
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Swimming Safety
Avoid swimming, very poor water quality, potential algae toxins
Water Quality Grade: F, Very Poor
No clarity data. Phosphorus level: 288.5 µg/L. Trophic State Index: 86.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No data | |
| Phosphorus | 288.5 µg/L | F |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 86 | Hypereutrophic |
Very high nutrients, dense algae, poor clarity
Where to stay near Hidden Valley Tinaja Lake
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Fishing Hidden Valley Tinaja Lake
Location
County Ranking
Ranked #7 of 7 lakes in Clark County
Cleaner Lakes Within 30 Miles
Hidden Valley Tinaja Lake holds Grade F. 2 nearby lakes hold higher grades.
Nearby Lakes in Clark County
Explore Hidden Valley Tinaja Lake across LakeGrade
More Nevada Lake Rankings
Other Grade F Lakes in Nevada
Elko County · Very Poor
Churchill County · Very Poor
Elko County · Very Poor
Elko County · Clarity: 5.9 ft
Elko County · Clarity: 3 ft
Washoe County · Very Poor
More records, surveys & data sources
Data Sources
Water quality data from the EPA Water Quality Portal
Grading methodology based on Metropolitan Council standards
Most recent sample: 2022-08-05
Monitoring stations: 1