Majella Creek: toxic algae advisories

Majella Creek, Monterey County. See all Monterey County waters.

What the state's records say

The state's latest record, from Sep 9, 2025, recommends no advisory.

Last advisory on file: Aug 18, 2025.

That reflects what the state knew on that date. It is not a finding that the water is safe now: blooms can return within days, and many are never reported.

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

Dogs at Majella Creek

The state's latest record, from Sep 9, 2025, recommends no advisory. For Majella Creek, that is not the same as an all-clear for today. Look at the water before your dog goes in: keep it out of green, blue-green or scummy water and away from mats on the shore.

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 Majella Creek and its latest status
SpotStatus
Asilomar State Beach off Sunset Dr. The state's latest record, from Sep 9, 2025, recommends no advisory.

Advisory history

Every advisory record the state has published for Majella Creek, 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 Majella Creek, newest first
DateSpotState's levelNotes
Sep 9, 2025 Asilomar State Beach off Sunset Dr. None Advisory based on visual and toxins
Aug 18, 2025 Asilomar State Beach off Sunset Dr. Caution Suspected bloom, investigation ongoing; Suspected illness reported

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.