Copper Canyon Inlet Lake
San Bernardino County, CaliforniaView mapDirections
SWRCB publishes the water-quality measurements for Copper Canyon Inlet Lake. Here is what has been measured.
- Impaired · Oxygen depletion (low DO)
- Limited data
Copper Canyon Inlet Lake in San Bernardino County, California has water-quality measurements published by SWRCB, shown here as reported. Water clarity: 15.5 ft visibility. Phosphorus: 385 µg/L.
Copper Canyon Inlet Lake is a lake in San Bernardino County, California.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2022-03-25. Methodology: how these readings are compared.
What Copper Canyon Inlet Lake is good for
From access and monitoring records, not editorial picks.
- Clear water15.5 ft of visibility
- Camping12 public campgrounds nearby
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Copper Canyon Inlet 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 Inlet 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 Inlet Lake
These are the measurements SWRCB publishes for Copper Canyon Inlet Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Crystal clear, you can see 15.5 ft down. Phosphorus 385 µg/L. TSI 64.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 15.5ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | 385µg/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. | 64 | Eutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
High nutrients, frequent algae, reduced clarity
Ask about Copper Canyon Inlet Lake
Answers come straight from the public measurements and survey records on this page.
Recreation & Access
Public campgrounds near Copper Canyon Inlet Lake
- Road Runner 1 Shoreline Campsite0.7 km
- Road Runner 2 Shoreline Campsite0.7 km
- Solitude Cove Shoreline Campsite1.0 km
- Balance Rock Cove Shoreline Campsite1.5 km
- Friendly Isle 4 Shoreline Campsite1.5 km
- Friendly Isle 1 Shoreline Campsite1.6 km
- Friendly Isle 3 Shoreline Campsite1.6 km
- Friendly Isle 2 Shoreline Campsite1.6 km
- Goose Bay 1 Shoreline Campsite1.7 km
- Goose Bay 2 Shoreline Campsite1.8 km
- Pilot Rock 2 Shoreline Campsite2.3 km
- Pilot Rock 1 Shoreline Campsite2.3 km
Nearest public campgrounds in the USGS National Map inventory, within about 3 miles. An empty list means USGS records no campground that close, which is not the same as camping being unavailable. Where the source gives an official reservation link, it is used; the cabin and hotel search does not cover campsites. More camping lakes
Stays via Stay22
Stays near Copper Canyon Inlet Lake
Compare lakeside cabins, hotels, and vacation rentals near Copper Canyon Inlet Lake in San Bernardino County, California — 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.
Top-rated places to stay near Copper Canyon Inlet Lake
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Fishing Copper Canyon Inlet Lake
EPA Impairment Status
Copper Canyon Inlet 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 Inlet Lake
Where is Copper Canyon Inlet Lake?
- Copper Canyon Inlet 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 Inlet Lake?
- Copper Canyon Inlet Lake in San Bernardino County, California has water-quality measurements published by SWRCB, shown here as reported. Water clarity: 15.5 ft visibility. Phosphorus: 385 µg/L.
Is Copper Canyon Inlet Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Copper Canyon Inlet Lake is listed impaired under Clean Water Act §303(d) (IR 5) for oxygen depletion (low DO). Check local advisories before you swim.
Are there campgrounds on Copper Canyon Inlet Lake?
- Copper Canyon Inlet Lake has 12 public campgrounds from USGS The National Map within 5 km, including Road Runner 1 Shoreline Campsite, Road Runner 2 Shoreline Campsite, Solitude Cove Shoreline Campsite, Balance Rock Cove Shoreline Campsite. This is a location join, not a booking. Cabins and hotels are listed separately; campsite reservations use the official link when the source provides one.
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Where this data comes from
36 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_WQX36 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
Public campgrounds from USGS The National Map Structures, within about 3 miles