Observation

observation · observation-ebrpd-contra-loma-water-rules-20260922

Claims and evidence

Facility profile

South fishing dock access
paved trail
Wheelchair accessible
  • restrooms
  • drinking fountains
  • parking
  • south fishing dock
Evidence and sources (1)

No claim effective interval recorded.

Spatial scope IDs: scope-contra-loma-regional-park

  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.

    Publisher
    East Bay Regional Park District
    Observer / attribution
    Wayproof live source review
    Observed at
    Unknown
    Retrieved at
    2026-09-22T20:00:00+00:00

    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.

Recreation rule

Activity
alcohol possession or consumption
Permitted
No
Evidence and sources (1)

No claim effective interval recorded.

Spatial scope IDs: scope-contra-loma-regional-park

  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.

    Publisher
    East Bay Regional Park District
    Observer / attribution
    Wayproof live source review
    Observed at
    Unknown
    Retrieved at
    2026-09-22T20:00:00+00:00

    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.

Route connection

Connects to
park-black-diamond-mines-regional-preserve
Evidence and sources (1)

No claim effective interval recorded.

Spatial scope IDs: scope-contra-loma-regional-park

  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.

    Publisher
    East Bay Regional Park District
    Observer / attribution
    Wayproof live source review
    Observed at
    Unknown
    Retrieved at
    2026-09-22T20:00:00+00:00

    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.

Recreation rule

District daily fishing permit required
Yes
Purchase location
park entry kiosk
Evidence and sources (1)

No claim effective interval recorded.

Spatial scope IDs: scope-contra-loma-regional-park

  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.

    Publisher
    East Bay Regional Park District
    Observer / attribution
    Wayproof live source review
    Observed at
    Unknown
    Retrieved at
    2026-09-22T20:00:00+00:00

    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.

Watercraft rule

Boat bands cross lake valid
No
Quarantine days from other ebrpd waterbodies
30
Same lake return exception
intact lake-specific boat band
Trigger
launch at Contra Loma or Del Valle
Evidence and sources (1)

No claim effective interval recorded.

Spatial scope IDs: scope-contra-loma-regional-park

  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.

    Publisher
    East Bay Regional Park District
    Observer / attribution
    Wayproof live source review
    Observed at
    Unknown
    Retrieved at
    2026-09-22T20:00:00+00:00

    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.

Trail access status

Cause
storm damage
Segment
Lake View Trail at the cattle pond
Source updated on
2026-09-22
Status
partially closed
Evidence and sources (1)

Claim effective interval: No start bound to No end bound

Spatial scope IDs: scope-contra-loma-regional-park

  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.

    Publisher
    East Bay Regional Park District
    Observer / attribution
    Wayproof live source review
    Observed at
    Unknown
    Retrieved at
    2026-09-22T20:00:00+00:00

    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.

Route profile

Park id
park-contra-loma-regional-park
Evidence and sources (1)

No claim effective interval recorded.

No claim spatial scope recorded.

  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.

    Publisher
    East Bay Regional Park District
    Observer / attribution
    Wayproof live source review
    Observed at
    Unknown
    Retrieved at
    2026-09-22T20:00:00+00:00

    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.

Facility access status

Causes
  • water quality
  • maintenance challenges
Facility
Contra Loma Swim Lagoon
Status
closed
Evidence and sources (1)

No claim effective interval recorded.

Spatial scope IDs: scope-contra-loma-regional-park

  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.

    Publisher
    East Bay Regional Park District
    Observer / attribution
    Wayproof live source review
    Observed at
    Unknown
    Retrieved at
    2026-09-22T20:00:00+00:00

    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.

Recreation rule

Dry kayaks
Rollovers or body contact activity permitted
No
Float tubes
Purpose
eliminate body contact
Waders or wetsuit required
Yes
Self bailing sea kayaks
Minimum clothing
short wetsuit
Pre entry shower required
Yes
Windsurfers and paddleboarders
Minimum clothing
short wetsuit
Pre entry shower minutes
2
Evidence and sources (1)

No claim effective interval recorded.

Spatial scope IDs: scope-contra-loma-regional-park

  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.

    Publisher
    East Bay Regional Park District
    Observer / attribution
    Wayproof live source review
    Observed at
    Unknown
    Retrieved at
    2026-09-22T20:00:00+00:00

    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.

Recorded observations

Browse observations separately (1)

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.

Publisher
East Bay Regional Park District
Observer / attribution
Wayproof live source review
Observed at
Unknown
Retrieved at
2026-09-22T20:00:00+00:00

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.

Published record history

History lists published operations; it does not reconstruct removed content or confirm that external media remains available.

JSON

Historical evidence is not a guarantee of current conditions.