El Dorado East Regional Park: toxic algae advisories

El Dorado East Regional Park, Los Angeles County. See all Los Angeles County waters.

What the state's records say

Caution advisory, last posted Aug 4, 2022. No all-clear recorded.

3 reported spots here have an advisory with no all-clear recorded.

Reporting is voluntary, so the state may not have recorded an end even if conditions changed. Check posted signs and the official map.

What this level asks: Algae that can make toxins may be present. Keep people, children and pets away from algae and scum, and do not let pets drink the water.

Before you go, check the state's official algae page and any signs posted at the water.

Dogs at El Dorado East Regional Park

The state has an advisory on file for El Dorado East Regional Park (Caution advisory), last posted Aug 4, 2022, and no all-clear recorded. Keep your dog out of the water and away from scum on the shore until the state records an end.

More on dogs and toxic algae.

Reported spots

The state records each report at a spot, such as a beach or a boat ramp. Each spot's latest deciding record:

Each reported spot at El Dorado East Regional Park and its latest status
SpotStatus
south pond The state's latest record, from Jun 30, 2025, recommends no advisory.
north pond The state's latest record, from Jun 30, 2025, recommends no advisory.
Long Beach, CA 90808 Caution advisory, last posted Aug 4, 2022. No all-clear recorded.
El Dorado East Regional Park Ponds The state's latest record, from Nov 15, 2019, recommends no advisory.
Lake near Wardlow Rd/Arbor Day Grove, in El Dorado East Regional Park Caution advisory, last posted Nov 6, 2017. No all-clear recorded.
Lake near Wardlow Rd, in El Dorado East Regional Park Caution advisory, last posted Nov 6, 2017. No all-clear recorded.
Lakes in Area 2, El Dorado East Regional Park, Long Beach The state's latest record, from Oct 20, 2017, recommends no advisory.
El Dorado East Regional Park, Long Beach The state's latest record, from Nov 21, 2016, recommends no advisory.

Advisory history

Every advisory record the state has published for El Dorado East Regional Park, newest first. "None" is the state's record that no advisory was recommended on that date. "NA" records do not change a status.

Advisory records for El Dorado East Regional Park, newest first
DateSpotState's levelNotes
Jun 30, 2025 south pond None Updates from routine monitoring program-organization
Jun 30, 2025 north pond None Updates from routine monitoring program-organization
Aug 4, 2022 Long Beach, CA 90808 Caution Advisory based on visual and toxins; Suspected illness reported
Aug 4, 2022 Long Beach, CA 90808 Caution Suspected illness reported
Aug 4, 2022 Long Beach, CA 90808 Caution Suspected illness reported
Nov 15, 2019 El Dorado East Regional Park Ponds None
Nov 6, 2017 Lake near Wardlow Rd/Arbor Day Grove, in El Dorado East Regional Park Caution
Nov 6, 2017 Lake near Wardlow Rd, in El Dorado East Regional Park Caution
Oct 20, 2017 Lakes in Area 2, El Dorado East Regional Park, Long Beach None
Nov 21, 2016 El Dorado East Regional Park, Long Beach None

Source

Advisory data: California State Water Resources Control Board, Freshwater Harmful Algal Bloom Program, via data.ca.gov (public domain). Advisories are recommendations; reporting is voluntary and incomplete. The state's data. An advisory ends only when the state records a later "None" (no advisory recommended) at the same spot, or an end date. A blank end date is unknown.