Rodeo Lagoon E Bottom Lake
Marin County, CaliforniaView mapDirections
SWRCB publishes the water-quality measurements for Rodeo Lagoon E Bottom Lake. Here is what has been measured.
- Public access
- Limited data
Rodeo Lagoon E Bottom Lake in Marin County, California has water-quality measurements published by SWRCB, shown here as reported. Chlorophyll-a (algae): 40.5 µg/L.
Rodeo Lagoon E Bottom Lake is a lake in Marin County, California. Limited fish-species data available. Public access is available.
Source: EPA Water Quality Portal sampling records, your state environmental agency, last sampled 2022-11-08. Methodology: how these readings are compared.
What Rodeo Lagoon E Bottom Lake is good for
From access and monitoring records, not editorial picks.
- Camping3 public campgrounds nearby
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Whether Rodeo Lagoon E Bottom 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 Rodeo Lagoon E Bottom Lake
These are the measurements SWRCB publishes for Rodeo Lagoon E Bottom 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 40.5 µg/L. TSI 67.
| 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) | 40.5µg/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. | 67 | Hypereutrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Very high nutrients, dense algae, poor clarity
Ask about Rodeo Lagoon E Bottom Lake
Answers come straight from the public measurements and survey records on this page.
Recreation & Access
Public campgrounds near Rodeo Lagoon E Bottom Lake
- Bicentennial Campground0.3 kmReserve
- Hawk Camp Campground2.6 km
- Kirby Cove Campground3.3 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 Rodeo Lagoon E Bottom Lake
Compare lakeside cabins, hotels, and vacation rentals near Rodeo Lagoon E Bottom Lake in Marin 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 Rodeo Lagoon E Bottom Lake
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Fishing Rodeo Lagoon E Bottom Lake
Nearby Lakes in Marin County
Frequently asked questions about Rodeo Lagoon E Bottom Lake
Where is Rodeo Lagoon E Bottom Lake?
- Rodeo Lagoon E Bottom Lake is a lake in Marin County, California. Its water-quality measurements are published by SWRCB and shown on this page as reported.
What is the water quality of Rodeo Lagoon E Bottom Lake?
- Rodeo Lagoon E Bottom Lake in Marin County, California has water-quality measurements published by SWRCB, shown here as reported. Chlorophyll-a (algae): 40.5 µg/L.
Is Rodeo Lagoon E Bottom Lake safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.
Can I fish at Rodeo Lagoon E Bottom Lake?
- Public access to Rodeo Lagoon E Bottom Lake is listed as yes on the lake record. 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.
Are there campgrounds on Rodeo Lagoon E Bottom Lake?
- Rodeo Lagoon E Bottom Lake has 3 public campgrounds from USGS The National Map within 5 km, including Bicentennial Campground, Hawk Camp Campground, Kirby Cove Campground. 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.
Explore Rodeo Lagoon E Bottom Lake across LakeQuality
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Where this data comes from
19 measurements from 1 monitoring station, 2020–2022. Retrieved from the EPA Water Quality Portal on 2026-08-21.
Collected and reported by
- USGS California Water Science Center
USGS-CA19 samples · 2020–2022
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.
Other records on this page
Public campgrounds from USGS The National Map Structures, within about 3 miles