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Pacific WatchPacific Watch
OverviewStorm ReliefWeatherWindSurf & TidesMaritimeAir QualityWater QualityRainfallDroughtMesonet StationsClimate HistoryTsunamiHurricane TrackerSeismicVolcanoesWildfiresBox JellyfishPower OutagesTraffic & Road ClosuresTheBus DisruptionsCamerasInternet, TV & CellularDamsStreamsReservoirsHealthNews & RadioSocialTsunami ZonesFlood Hazard MapWarning SirensChecklistBug Out BagEnergy PlannerKids PrepPet PrepHandbooksGarden PlannerEmergency Supplies
What's NewAboutSettings
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OverviewEmergencyWeather

Water Quality

Brown water advisories, beach advisories & spill alerts

Beach Water Testing

Enterococcus bacteria levels — Surfrider Blue Water Task Force

EPA Standard (Enterococcus)

<70 MPN — Safe
70–104 MPN — Caution
>104 MPN — Unsafe for swimming

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About Water Quality Advisories

Brown Water Advisory

Heavy rain runoff turns coastal water brown. Avoid ocean 48-72hrs after rain; stay away from streams (leptospirosis risk).

Beach Advisory

Enterococci bacteria exceeds safe levels. Stay out of the water at affected beaches until advisory is lifted.

Beach Notification

Initial alert for high bacteria counts during routine monitoring. Resampling is underway to confirm.

Sewage Spill

Wastewater discharge affecting state waters. Avoid contact with water in the affected area.

Permit Exceedance

Wastewater facility discharge exceeds permitted limits. May indicate treatment system issues.

Data from the Hawaii DOH Clean Water Branch. Updated every 5 minutes.