Pyramid Lake
Washoe County, NevadaView mapDirections
No nutrient or algae sampling on record from NDEP for this lake.
- Limited data
Ask about Pyramid Lake
Answers come straight from the public measurements and survey records on this page.
Pyramid Lake in Washoe County, Nevada has water-quality measurements published by NDEP, shown here as reported.
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Follow Pyramid Lake’s readings
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Pyramid Lake is a lake in Washoe County, Nevada. Overall water quality is declining over recent sampling years.
Source: EPA Water Quality Portal sampling records, NDEP, last sampled 2012-03-09. Grade methodology: LakeQuality methodology.
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Pyramid Lake is safe to swim in today is a call for the Nevada Division of Environmental Protection and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Pyramid Lake
These are the measurements NDEP publishes for Pyramid Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
No clarity data.
| Metric | Value | EPA condition class |
|---|---|---|
| Water Clarity (Secchi Depth) | No recent samples | |
| Phosphorus | No recent samples | |
| Chlorophyll-a (Algae) | No recent samples |
Current Conditions
USGS snapshot Sep 1, 2026, 6:35 PM from gauge 10336500 (PYRAMID LAKE NR NIXON, NV). Station page ↗ — a live reading replaces this snapshot when the gauge responds. Missing live data is not an all-clear.
→ Pyramid Lake water level: the live USGS gauge reading
Fishing Pyramid Lake
Water Quality Trend: ↓ Declining
Based on 2 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↓ Declining | -0.23 m/yr | 2 |
| Phosphorus | ↑ Improving | -3.02 µg/L/yr | 2 |
| Chlorophyll-a | ↓ Declining | +0.22 µg/L/yr | 2 |
Nearby Lakes in Washoe County
Frequently asked questions about Pyramid Lake
Where is Pyramid Lake?
- Pyramid Lake is a lake in Washoe County, Nevada. Its water-quality measurements are published by NDEP and shown on this page as reported.
What is the water quality of Pyramid Lake?
- Pyramid Lake in Washoe County, Nevada has water-quality measurements published by NDEP, shown here as reported.
Is Pyramid Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
What is the water level at Pyramid Lake?
- The USGS snapshot on this page for Pyramid Lake is 3802.04 ft of water-surface elevation, recorded Sep 1, 2026, 6:35 PM at gauge 10336500. Current Conditions hydrates a live NWIS reading from that same station when the gauge responds. A missed live fetch is not an all-clear.
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Where this data comes from
2 measurements from 1 monitoring station, 2012. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- North American Lake Management Society
NALMS2 samples · 2012
Monitoring station identifiers (1)
EPA condition classes from the National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See where the data comes from and data sources.