Where is Gene Wash Reservoir?

Gene Wash Reservoir is a lake in San Bernardino County, California. Its water-quality measurements are published by SWRCB and shown on this page as reported.

Are there campgrounds on Gene Wash Reservoir?

Gene Wash Reservoir has 12 public campgrounds from USGS The National Map within 5 km, including Hi Isle 10 Shoreline Campsite, Hi Isle 11 Shoreline Campsite, Hi Isle 8 Shoreline Campsite, Larned Landling 1 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.

Gene Wash Reservoir

San Bernardino County, California178 acresView map Directions

No nutrient or algae sampling on record from SWRCB for this lake.

Area

178 acres

Surface area

Shoreline

4.9 mi

Measured length

Limited data

See the measurements Directions Where to stay

Gene Wash Reservoir in San Bernardino County, California has water-quality measurements published by SWRCB, shown here as reported. Surface area: 178 acres.

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Gene Wash Reservoir is a 178-acre lake in San Bernardino County, California.

Source: EPA Water Quality Portal sampling records, your state environmental agency. Methodology: how these readings are compared.

What Gene Wash Reservoir is good for

From access and monitoring records, not editorial picks.

Camping12 public campgrounds nearby

Swimming conditions

No reading

Limited data

Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.

Whether Gene Wash Reservoir 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.

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Water quality measurements for Gene Wash Reservoir

These are the measurements SWRCB publishes for Gene Wash Reservoir, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.

No clarity data.

Ask about Gene Wash Reservoir

Answers come straight from the public measurements and survey records on this page.

Lake Details

Surface area

178 acres

Shoreline

4.9 mi

No bathymetric survey has been published for Gene Wash Reservoir, so its depth is not documented here.

Recreation & Access

Campgrounds

Public campgrounds near Gene Wash Reservoir

Hi Isle 10 Shoreline Campsite3.0 km
Hi Isle 11 Shoreline Campsite3.0 km
Hi Isle 8 Shoreline Campsite3.0 km
Larned Landling 1 Shoreline Campsite3.0 km
Bass Bay 2 Shoreline Campsite3.1 km
Hi Isle 5 Shoreline Campsite3.1 km
Bass Bay 1 Shoreline Campsite3.1 km
Bighorn Point 1 Shoreline Campsite3.1 km
Hi Isle 2 Shoreline Campsite3.2 km
Lake Havasu Shoreline Sites3.2 km
Larned Landing 4 ADA Accessible Shoreline Campsite3.3 km
Bass Isle Shoreline Campsite3.4 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 Gene Wash Reservoir

Compare lakeside cabins, hotels, and vacation rentals near Gene Wash Reservoir 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 Gene Wash Reservoir

Prices for Oct 16–18, 4 adults. Change dates on the map below.

Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.

Follow Gene Wash Reservoir’s readings

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Fishing Gene Wash Reservoir

→ Gene Wash Reservoir fishing regulations (limits, seasons, special rules)

Nearby Lakes in San Bernardino County

Copper Basin Reservoir3.4 miView →Copper Canyon Inlet Lake15.5 ft clear11.6 miView →Copper Canyon Bay Lake13.2 ft clear12.3 miView →Lake Havasu Center12.3 ft clear17.7 miView →Jackie'S Cove Lake7.8 ft clear18.8 miView →Ford Lake—View →

Frequently asked questions about Gene Wash Reservoir

Where is Gene Wash Reservoir?: Gene Wash Reservoir 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 Gene Wash Reservoir?: Gene Wash Reservoir in San Bernardino County, California has water-quality measurements published by SWRCB, shown here as reported. Surface area: 178 acres.
Is Gene Wash Reservoir safe to swim in?: Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Are there campgrounds on Gene Wash Reservoir?: Gene Wash Reservoir has 12 public campgrounds from USGS The National Map within 5 km, including Hi Isle 10 Shoreline Campsite, Hi Isle 11 Shoreline Campsite, Hi Isle 8 Shoreline Campsite, Larned Landling 1 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.