Lake Mathews
Riverside County, California2,146 acresView mapDirections
No nutrient or algae sampling on record from SWRCB for this lake.
- Limited data
Lake Mathews in Riverside County, California has water-quality measurements published by SWRCB, shown here as reported. Surface area: 2146 acres.
Lake Mathews is a 2,146-acre lake in Riverside County, California.
Source: EPA Water Quality Portal sampling records, your state environmental agency. Methodology: how these readings are compared.
What Lake Mathews is good for
From access and monitoring records, not editorial picks.
- Big water2,146 acres
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Lake Mathews 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 Lake Mathews
These are the measurements SWRCB publishes for Lake Mathews, 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 Lake Mathews
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
2,146 acres
Shoreline
21.2 mi
No bathymetric survey has been published for Lake Mathews, so its depth is not documented here.
Stays via Stay22
Stays near Lake Mathews
Compare lakeside cabins, hotels, and vacation rentals near Lake Mathews in Riverside 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 Lake Mathews
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Fishing Lake Mathews
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Frequently asked questions about Lake Mathews
Where is Lake Mathews?
- Lake Mathews 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 Lake Mathews?
- Lake Mathews in Riverside County, California has water-quality measurements published by SWRCB, shown here as reported. Surface area: 2146 acres.
Is Lake Mathews 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
Measurements for Lake Mathews come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.