Coastal Water Quality

Real-Time Ocean Shore Stations

CeNCOOS provides funding for the operation of many of these stations, which are run in coordination with our partner institutions.

CeNCOOS Data Portal

View and download real-time water quality data collected at shore stations and buoys on the CeNCOOS Data Portal





COAST water quality

The water quality montoring program operated by th CSU Council on Ocean Affairs, Science and Technology provides temperature, salinity, pH and turbidity information from across the CeNCOOS region. View and download these data files through the CeNCOOS Data Access page or visit individual California State University (CSU) campuses water quality websites:

UC System Shore Stations

Visit individual University of California campuses shore station websites:

Ocean Buoys

Land/Ocean Biogeochemical Observatory (LOBO) - buoys measuring nitrate, oxygen, chlorophyll and salinity in Elkhorn Slough and nearshore Monterey Bay

MLML Shipboard Data

Moss Landing Marine Labs collects temperature, salinity, chlorophyll and nutrient data from its vessels via an Underway Data Aquisition System (UDAS). Cruises are mainly from the central California region and extend from 2001-08 (new data are added as they become available). View the data

Other Regional Water Quality Information

Heal-the-Bay Beach Report Card

California Water Quality Monitoring Council's "Safe to Swim?" portal (monthly)

US Geological Survey (USGS) - freshwater stations (real-time)

SIMoN Sanctuaries Water Quality Map

California Environmental Data Exchange Network (CEDEN)
- freshwater stations (daily to monthly updates)



Central Coast Regional Water Quality Control Board (CCAMP)
- from Santa Cruz to Santa Barbara

Water Recreation Safety Info (bacteria levels etc.) by County

Del Norte:

USGS Freshwater Sites (real-time)

Humboldt:

County EHS (weekly info)
Heal-the-Bay (monthly info)
USGS Freshwater Sites (real-time)

Mendocino:

USGS Freshwater Sites (real-time)

Sonoma:

County EHS (weekly info)
Heal-the-Bay (monthly info)
USGS Freshwater Sites (real-time)

Marin:

County EHS (weekly info)

Contra-Costa:

USGS Freshwater Sites (real-time)

Alameda:

County EHS (weekly info)
USGS Freshwater Sites (real-time)

San Francisco:

Public Utilities - beach water quality (weekly info)
Heal-the-Bay (monthly info)

San Mateo:

County EHS (weekly info)
Heal-the-Bay (monthly info)

Santa Cruz:

County EHS (weekly info)
Heal-the-Bay (monthly info)
CCAMP (infrequent)
UCSC Santa Cruz and Monterey Wharf Plankton Weekly sampling blog

Monterey:

County EHS (weekly info)
Heal-the-Bay (monthly info)
CCAMP (infrequent)

San Luis Obispo:

County EHS (weekly info)
Heal-the-Bay (monthly info)
CCAMP (infrequent)

Santa Barbara:

County EHS (weekly info)
Heal-the-Bay (monthly info)
CCAMP (infrequent)
USGS Freshwater Sites (real-time)