Bacterial stoplight meanings

claim · claim-ebrpd-water-quality-traffic-light

Claims and evidence

Bacterial stoplight meanings

Green
indicator results below maximums meet state standards
Indicators
  • total coliform
  • fecal coliform
  • Enterococcus
  • E coli
Red
beach closed for water quality issue
Yellow
one or more indicators exceed daily maximum
Evidence and sources (1)

No claim effective interval recorded.

Spatial scope IDs: scope-ebrpd-water-quality-program

  1. Evidence stance: supports · Evidence details

    California swim-water evaluation uses total coliform, fecal coliform, Enterococcus, and E. coli indicators. Green means results are below maximums and meet state standards; yellow means one or more indicators exceeds a daily maximum; red means the beach is closed for a water-quality issue and visitors must not enter.

    Publisher
    East Bay Regional Park District
    Observer / attribution
    user-supplied page transcription
    Observed at
    Unknown
    Retrieved at
    2026-09-20T00:00:00+00:00

    Retrieval time does not establish when an event occurred.

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

Recorded observations

Browse observations separately (1)

California swim-water evaluation uses total coliform, fecal coliform, Enterococcus, and E. coli indicators. Green means results are below maximums and meet state standards; yellow means one or more indicators exceeds a daily maximum; red means the beach is closed for a water-quality issue and visitors must not enter.

Publisher
East Bay Regional Park District
Observer / attribution
user-supplied page transcription
Observed at
Unknown
Retrieved at
2026-09-20T00:00:00+00:00

Retrieval time does not establish when an event occurred.

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

Published record history

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

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Historical evidence is not a guarantee of current conditions.