Staten Island Lake
San Joaquin County, CaliforniaView mapDirections
SWRCB publishes the water-quality measurements for Staten Island Lake. Here is what has been measured.
- Limited data
Staten Island Lake in San Joaquin County, California has water-quality measurements published by SWRCB, shown here as reported. Chlorophyll-a (algae): 5.7 µg/L.
Staten Island Lake is a lake in San Joaquin County, California.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2024-01-16. Methodology: how these readings are compared.
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Staten Island 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 Staten Island Lake
These are the measurements SWRCB publishes for Staten Island Lake, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
No clarity data. Chlorophyll-a 5.7 µg/L. TSI 48.
| 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 | No reading The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential. | |
| Chlorophyll-a (algae) | 5.7µg/L | Measured, not scored 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. | 48 | Mesotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Moderate nutrients, good water quality
Ask about Staten Island Lake
Answers come straight from the public measurements and survey records on this page.
Stays via Stay22
Stays near Staten Island Lake
Compare lakeside cabins, hotels, and vacation rentals near Staten Island Lake in San Joaquin 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 Staten Island Lake
Prices for Oct 9–11, 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 Staten Island Lake’s readings
Email me when new measurements post for this lake. Updates stay free.
Or email
Fishing Staten Island Lake
Nearby Lakes in San Joaquin County
Frequently asked questions about Staten Island Lake
Where is Staten Island Lake?
- Staten Island Lake is a lake in San Joaquin County, California. Its water-quality measurements are published by SWRCB and shown on this page as reported.
What is the water quality of Staten Island Lake?
- Staten Island Lake in San Joaquin County, California has water-quality measurements published by SWRCB, shown here as reported. Chlorophyll-a (algae): 5.7 µg/L.
Is Staten Island Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Explore Staten Island Lake across LakeQuality
More lakes in California
Other Lakes in California
Contra Costa County · Measured
Contra Costa County · Measured
Contra Costa County · Measured
Contra Costa County · Measured
Contra Costa County · Measured
Contra Costa County · Measured
Mesotrophic Lakes in California
Where this data comes from
23 measurements from 1 monitoring station, 2022–2024. Retrieved from the EPA Water Quality Portal on 2026-08-21.
Collected and reported by
- USGS California Water Science Center
USGS-CA23 samples · 2022–2024
Analytical methods
- Plant pigments, sonication & 445
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.