Copper Canyon Bay Lake
San Bernardino County, CaliforniaView mapDirections
SWRCB publishes the water-quality measurements for Copper Canyon Bay Lake. Here is what has been measured.
- Impaired · Oxygen depletion (low DO)
- Limited data
Copper Canyon Bay Lake in San Bernardino County, California has water-quality measurements published by SWRCB, shown here as reported. Water clarity: 13.2 ft visibility. Phosphorus: 380 µg/L.
Copper Canyon Bay Lake is a lake in San Bernardino County, California.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2018-11-07. Methodology: how these readings are compared.
What Copper Canyon Bay Lake is good for
From access and monitoring records, not editorial picks.
- Clear water13.2 ft of visibility
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Copper Canyon Bay Lake is listed impaired under Clean Water Act §303(d) (IR 5) for oxygen depletion (low DO). Check local advisories before you swim.
Whether Copper Canyon Bay 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 Copper Canyon Bay Lake
These are the measurements SWRCB publishes for Copper Canyon Bay Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Good clarity, visible to about 13.2 ft. Phosphorus 380 µg/L. TSI 66.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 13.2ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 380µg/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. | 66 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
Ask about Copper Canyon Bay Lake
Answers come straight from the public measurements and survey records on this page.
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Fishing Copper Canyon Bay Lake
EPA Impairment Status
Copper Canyon Bay Lake is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 5).
Causes of impairment
Designated uses not supporting: Aquatic life.
Source: EPA ATTAINS assessment unit CAL7140000020040823161128 · Official waterbody report
Nearby Lakes in San Bernardino County
Frequently asked questions about Copper Canyon Bay Lake
Where is Copper Canyon Bay Lake?
- Copper Canyon Bay Lake is a lake in San Bernardino County, California. Its water-quality measurements are published by SWRCB and shown on this page as reported.
What is the water quality of Copper Canyon Bay Lake?
- Copper Canyon Bay Lake in San Bernardino County, California has water-quality measurements published by SWRCB, shown here as reported. Water clarity: 13.2 ft visibility. Phosphorus: 380 µg/L.
Is Copper Canyon Bay Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Copper Canyon Bay Lake is listed impaired under Clean Water Act §303(d) (IR 5) for oxygen depletion (low DO). Check local advisories before you swim.
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Where this data comes from
33 measurements from 1 monitoring station, 2020–2022. Retrieved from the EPA Water Quality Portal on 2026-08-21.
Collected and reported by
- Chemehuevi Indian Tribe
CHEMEHUEVI_WQX33 samples · 2020–2022
Analytical methods
- Unknown - Historic Data
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.
Other records on this page
Impairment status from EPA ATTAINS 303(d) database