Pond
Del Norte County, CaliforniaView mapDirections
SWRCB publishes the water-quality measurements for Pond. Here is what has been measured.
- Public access
- Limited data
Pond in Del Norte County, California has water-quality measurements published by SWRCB, shown here as reported. Phosphorus: 59.2 µg/L.
Pond is a lake in Del Norte County, California. Limited fish-species data available. Public access is available.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2025-10-23. Methodology: how these readings are compared.
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Pond is safe to swim in today is a call for the California State Water Resources Control Board and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Pond
These are the measurements SWRCB publishes for Pond, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
No clarity data. Phosphorus 59.2 µg/L. TSI 63.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | No reading How deep a black-and-white disk stays visible from the surface. Higher is clearer. | |
| Total phosphorus | 59.2µg/L | Measured, not scored The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential. |
| Chlorophyll-a (algae) | No reading The green pigment in algae — a direct measure of how much algae is in the water. | |
| Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a. | 63 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
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Answers come straight from the public measurements and survey records on this page.
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Fishing Pond
Nearby Lakes in Del Norte County
Frequently asked questions about Pond
Where is Pond?
- Pond is a lake in Del Norte County, California. Its water-quality measurements are published by SWRCB and shown on this page as reported.
What is the water quality of Pond?
- Pond in Del Norte County, California has water-quality measurements published by SWRCB, shown here as reported. Phosphorus: 59.2 µg/L.
Is Pond safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Can I fish at Pond?
- Public access to Pond is listed as yes on the lake record. Seasons, size and bag limits, and whether you need a license are set by California's fish and wildlife agency, so check its current regulations before you go.
Explore Pond across LakeQuality
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Where this data comes from
171 measurements from 3 monitoring stations, 2020–2025. Retrieved from the EPA Water Quality Portal on 2026-08-21.
Collected and reported by
- Resighini Rancheria, California (Tribal)
RREPA_WQX171 samples · 2020–2025
Analytical methods
- 4500 P F ~ Phosphorus in Water by Colorimetry Automated Ascorbic Acid Method
Monitoring station identifiers (3)
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.