Eagle Falls Lake
Riverside County, CaliforniaView mapDirections
SWRCB publishes the water-quality measurements for Eagle Falls Lake. Here is what has been measured.
- Limited data
Eagle Falls Lake in Riverside County, California has water-quality measurements published by SWRCB, shown here as reported. Phosphorus: 50 µg/L.
Eagle Falls Lake is a lake in Riverside County, California.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2024-12-03. 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 Eagle Falls Lake 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 Eagle Falls Lake
These are the measurements SWRCB publishes for Eagle Falls 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. Phosphorus 50 µg/L. TSI 61.
| 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 | 50µg/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. | 61 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
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Frequently asked questions about Eagle Falls Lake
Where is Eagle Falls Lake?
- Eagle Falls Lake is a lake in Riverside County, California. Its water-quality measurements are published by SWRCB and shown on this page as reported.
What is the water quality of Eagle Falls Lake?
- Eagle Falls Lake in Riverside County, California has water-quality measurements published by SWRCB, shown here as reported. Phosphorus: 50 µg/L.
Is Eagle Falls Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
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Where this data comes from
14 measurements from 1 monitoring station, 2021–2024. Retrieved from the EPA Water Quality Portal on 2026-08-21.
Collected and reported by
- Cabazon Band of Cahuilla Indians, California (Tribal)
CBMI_WQX14 samples · 2021–2024
Analytical methods
- Phosphorus by Two Reagent Colorimetry
- Turbidity by Nephelometry
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.