Walker Lake
Mineral County, NevadaView mapDirections
Nutrients and algae run above the regional average.
- Eutrophic
- #3 of 5 in the county
- Limited data
Walker Lake in Mineral County, Nevada has a water quality grade of D (Nutrient-rich). Water clarity: 4.7 ft visibility. Phosphorus: 629.5 µg/L. Chlorophyll-a (algae): 13.4 µg/L.
- Clarity
- 4.7 ft
- Type
- Eutrophic
- Phosphorus
- 629.5 µg/L
- Chlorophyll-a
- 13.4 µg/L
- Trend
- ↓ Declining
Stays via Stay22
Stays near Walker Lake
Compare lakeside cabins, hotels, and vacation rentals near Walker Lake in Mineral 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. The water-quality grade measures nutrients and algae, not lodging — cabins and rentals around Walker Lake are listed below.
Top-rated places to stay near Walker Lake
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Walker Lake is a productive, nutrient-rich eutrophic lake in Mineral County, Nevada. Water quality is graded D based on 1 sampling years through 2024. Overall water quality is declining over recent sampling years. Compared to the 4 other monitored lakes in Mineral County, Walker Lake ranks #3 for water quality.
Source: EPA Water Quality Portal sampling records, NDEP, last sampled 2024-02-21. Grade methodology: LakeQuality methodology.
Swimming Safety
Grade onlyLimited data
Based on clarity and algae grades from past sampling — we do not hold live water temperature and a current cyanobacteria reading for this lake. Check your state or county health department before you swim.
The D is nutrients and algae, not a swimming clearance. Check local advisories before you swim.
Water Quality Grade: D (Nutrient-rich)
Murky, only visible to about 4.7 ft. Phosphorus 629.5 µg/L. Chlorophyll-a 13.4 µg/L. TSI 69. The letter is not a swimming clearance.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 4.7 ft | Not graded |
| Phosphorus | 629.5 µg/L | Not graded |
| Chlorophyll-a (Algae) | 13.4 µg/L | Poor |
| Trophic State Index (TSI) | 69 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Fishing Walker Lake
Water Quality Trend: ↓ Declining
Based on 4 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↓ Declining | -1.075 m/yr | 3 |
| Phosphorus | ↓ Declining | +45.07 µg/L/yr | 4 |
| Chlorophyll-a | ↓ Declining | +5.95 µg/L/yr | 3 |
County Ranking
Ranked #3 of 5 lakes in Mineral County
Nearby Lakes in Mineral County
Frequently asked questions about Walker Lake
Where is Walker Lake?
- Walker Lake is a lake in Mineral County, Nevada. LakeQuality grades it D for nutrients and algae. The letter is not a swimming clearance.
What is the water quality grade for Walker Lake?
- Walker Lake in Mineral County, Nevada has a water quality grade of D (Nutrient-rich). Water clarity: 4.7 ft visibility. Phosphorus: 629.5 µg/L. Chlorophyll-a (algae): 13.4 µg/L.
Is Walker Lake safe to swim in?
- The D is nutrients and algae, not a swimming clearance. Check local advisories before you swim.
Explore Walker Lake across LakeQuality
24.2 mi away · recorded at 183°F
Species activity outlook by water temperature and season
Where to stay at Nevada's top lakes, each with its grade
High nutrients, frequent algae, reduced clarity
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More Nevada Lake Rankings
Other Grade D Lakes in Nevada
Eutrophic Lakes in Nevada
Where this data comes from
175 measurements from 1 monitoring station, 2021–2024. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- USGS Nevada Water Science Center
USGS-NV175 samples · 2021–2024
Analytical methods
- Secchi disk method
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.