Moonstone Beach

Westhaven, California

At the mouth of Little River, Moonstone Beach features beautiful views of headlands and rocky coves, tide pools, sea caves, and plenty of sand--a great spot for surfing, surf kayaking, rock climbing, and walking. The Little River is often slow-moving and shallow, a great place for k ids to play in the water. Easy access from the parking lot makes it a popular places for picnics, especially for families with toddlers.

WATER QUALITY
  • Passed water quality tests 60-95% of the time
  • Historical Status
  • This status is based on the latest sample, taken on . Humboldt Baykeeper updates the status of this beach as soon as test results become available. These results were posted to Swim Guide on at
For water quality icon legend, click:   
CURRENT WEATHER
13°C
Clear and sunny
MONITORING FREQUENCY

is sampled weekly from 1 April to 31 October

SOURCE INFORMATION

Beach water is tested weekly from April to October by the Humboldt County Environmental Monitoring Division. Results are posted online, and Humboldt Baykeeper updates the beach status information in Swim Guide as it is made available.

In California, maximum levels for bacteria are established for recreational waters. Single sample maximum levels are 235 E. coli/100 ml; 61 Enterococcus /100 ml; and 400 fecal coliform/100 ml; and 10,000 total coliform /100 ml. In waters designated for contact recreation, the median fecal coliform concentration based on a minimum of not less than five samples for any 30-day period shall not exceed 50/100 ml, nor shall more than ten percent of total samples during any 30-day period exceed 400/100 ml. Monitoring frequency varies across jurisdictions.

WATER QUALITY GRAPH

Moonstone Beach

Westhaven, California

WATER QUALITY
  • Passed water quality tests 60-95% of the time
  • Historical Status
  • This status is based on the latest sample, taken on . Humboldt Baykeeper updates the status of this beach as soon as test results become available. These results were posted to Swim Guide on at
For water quality icon legend, click:   
CURRENT WEATHER
13°C
Clear and sunny

At the mouth of Little River, Moonstone Beach features beautiful views of headlands and rocky coves, tide pools, sea caves, and plenty of sand--a great spot for surfing, surf kayaking, rock climbing, and walking. The Little River is often slow-moving and shallow, a great place for k ids to play in the water. Easy access from the parking lot makes it a popular places for picnics, especially for families with toddlers.

MONITORING FREQUENCY

is sampled weekly from 1 April to 31 October

SOURCE INFORMATION

Beach water is tested weekly from April to October by the Humboldt County Environmental Monitoring Division. Results are posted online, and Humboldt Baykeeper updates the beach status information in Swim Guide as it is made available.

In California, maximum levels for bacteria are established for recreational waters. Single sample maximum levels are 235 E. coli/100 ml; 61 Enterococcus /100 ml; and 400 fecal coliform/100 ml; and 10,000 total coliform /100 ml. In waters designated for contact recreation, the median fecal coliform concentration based on a minimum of not less than five samples for any 30-day period shall not exceed 50/100 ml, nor shall more than ten percent of total samples during any 30-day period exceed 400/100 ml. Monitoring frequency varies across jurisdictions.

WATER QUALITY GRAPH



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