Stevens Creek Reservoir
Santa Clara County, California83 acresView mapDirections
SWRCB publishes the water-quality measurements for Stevens Creek Reservoir. Here is what has been measured.
- Impaired · Mercury
- Public access
- Limited data
Stevens Creek Reservoir in Santa Clara County, California has water-quality measurements published by SWRCB, shown here as reported. Phosphorus: 50 µg/L. Surface area: 83 acres.
Stevens Creek Reservoir is a 83-acre lake in Santa Clara County, California. Limited fish-species data available. Public access is available with 1 public boat landing.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2017-12-18. Methodology: how these readings are compared.
What Stevens Creek Reservoir is good for
From access and monitoring records, not editorial picks.
- Boat launch1 documented ramp
Swimming conditions
Readings onlyLimited data
Based on clarity and algae readings from past sampling — there is no live water temperature and a current cyanobacteria reading for this lake. Check your state or county health department before you swim.
Nutrient and algae readings are not a swimming clearance. Stevens Creek Reservoir is listed impaired under Clean Water Act §303(d) (IR 5) for mercury, pesticides, pCBs. Check local advisories before you swim.
Whether Stevens Creek 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.
Water quality measurements for Stevens Creek Reservoir
These are the measurements SWRCB publishes for Stevens Creek 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. Phosphorus 50 µg/L.
| 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 | Poor GoodFairPoor |
| Chlorophyll-a (algae) | No reading The green pigment in algae — a direct measure of how much algae is in the water. |
Ask about Stevens Creek Reservoir
Answers come straight from the public measurements and survey records on this page.
Lake Details
Surface area
83 acres
Public access
Yes
Listed by SWRCB
No bathymetric survey has been published for Stevens Creek Reservoir, so its depth is not documented here.
Recreation & Access
- Stevens Creek County ParkPublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Stays via Stay22
Stays near Stevens Creek Reservoir
Compare lakeside cabins, hotels, and vacation rentals near Stevens Creek Reservoir in Santa Clara 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. The water-quality readings cover nutrients and algae, not lodging. Cabins and rentals around Stevens Creek Reservoir are listed below.
Top-rated places to stay near Stevens Creek Reservoir
Prices for Oct 16–18, 4 adults. Change dates on the map below.
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Fishing Stevens Creek Reservoir
EPA Impairment Status
Stevens Creek Reservoir 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: Fish consumption, Other.
Source: EPA ATTAINS assessment unit CAL2055003120050519182844 · Official waterbody report
Nearby Lakes in Santa Clara County
Frequently asked questions about Stevens Creek Reservoir
Where is Stevens Creek Reservoir?
- Stevens Creek Reservoir is a lake in Santa Clara County, California. Its water-quality measurements are published by SWRCB and shown on this page as reported.
What is the water quality of Stevens Creek Reservoir?
- Stevens Creek Reservoir in Santa Clara County, California has water-quality measurements published by SWRCB, shown here as reported. Phosphorus: 50 µg/L. Surface area: 83 acres.
Is Stevens Creek Reservoir safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Stevens Creek Reservoir is listed impaired under Clean Water Act §303(d) (IR 5) for mercury, pesticides, pCBs. Check local advisories before you swim.
Are there boat ramps on Stevens Creek Reservoir?
- Stevens Creek Reservoir has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Stevens Creek County Park. Public access is listed as yes.
Can I fish at Stevens Creek Reservoir?
- Stevens Creek Reservoir has 1 documented boat landing in the USGS National Boat Ramps inventory. Seasons, size and bag limits, and whether you need a license are set by California's fish and wildlife agency, so check its current regulations before you go.
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Where this data comes from
Measurements for Stevens Creek Reservoir come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.
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
Named boat-access points from the USGS National Boat Ramps inventory