Millpond: toxic algae advisories

Millpond, Inyo County. See all Inyo County waters.

What the state's records say

Caution advisory, last posted Sep 2, 2016. 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 Millpond

The state has an advisory on file for Millpond (Caution advisory), last posted Sep 2, 2016, 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 Millpond and its latest status
SpotStatus
Southeast Beach Area The state's latest record, from Sep 2, 2026, recommends no advisory.
Millpond Caution advisory, last posted Sep 2, 2016. No all-clear recorded.

Advisory history

Every advisory record the state has published for Millpond, 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 Millpond, newest first
DateSpotState's levelNotes
Sep 2, 2026 Southeast Beach Area None Testing results below posting triggers
Jul 8, 2026 Southeast Beach Area None Testing results below posting triggers
Aug 27, 2025 Southeast Beach Area None Testing results below posting triggers
Jul 29, 2025 Southeast Beach Area None Testing results below posting triggers
Jun 26, 2025 Southeast Beach Area None Testing results below posting triggers
Aug 28, 2024 Southeast Beach Area None Advisory based on visual and toxins; Testing results below posting triggers; Updates from routine monitoring program-organization
Aug 28, 2024 Southeast Beach Area None Advisory based on visual and toxins; Testing results below posting triggers; Updates from routine monitoring program-organization
Jun 26, 2024 Southeast Beach Area None Updates from routine monitoring program-organization
May 22, 2024 Southeast Beach Area None Updates from routine monitoring program-organization
Nov 3, 2023 Southeast Beach Area None Updates from routine monitoring program-organization
Oct 6, 2023 Southeast Beach Area None Updates from routine monitoring program-organization
Sep 11, 2023 Southeast Beach Area None Updates from routine monitoring program-organization
Aug 1, 2023 Southeast Beach Area None Updates from routine monitoring program-organization
Jul 5, 2023 Southeast Beach Area None Updates from routine monitoring program-organization
Sep 2, 2016 Millpond Caution

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.