At a glance

Water quality status
Hazard
blue-green algae
Status
danger advisory
Water contact rule
swimming restricted to Niles Swim Beach ropes

Plan a visit

Requirements and current conditions

Water quality status

Recorded for: Horseshoe Lake

Hazard
blue-green algae
Status
danger advisory
Water contact rule
swimming restricted to Niles Swim Beach ropes
Evidence and sources (1)

Claim effective interval: No start bound to No end bound

Spatial scope IDs: scope-waterbody-quarry-horseshoe-lake

  1. Evidence stance: supports · Evidence details

    Evidence notes: Official park guidance; current conditions require a pre-trip recheck.

    The live official park page publishes the water-body conditions, water-contact rules, recreation requirements, accessibility, access points, and closures represented by the associated claims.

    Retrieval time does not establish when an event occurred.

    Observation details · Source details · Original source: East Bay Regional Park District

    Recorded artifact references
    • Current notices
    • To Reach The Park
    • Park Accessibility
    • Attractions

    References are not a confirmation of current availability.

Explore related places

Places and facilities (1)

Before you go

No direct knowledge gap is linked to this entity. That does not mean the record is complete.

Sources, evidence, and history

Planning facts above are readable first. Open these records when you need to audit a source or see when knowledge changed.

Evidence for 1 published claim
Published ChangeSet history

Canonical data is historical evidence, not a guarantee of current conditions. Recheck volatile facts before travel.