Santa Ana River - McLean/Anza Narrows Park

Riverside, California

Martha McLean-Anza Narrows Park is a city park located off of Jurupa Ave in the City of Riverside. There is ample parking, public restrooms, picnic tables, and bbq areas. There are several access points to the river of varying difficulty. The river is accessible by following the Santa Ana River Trail west towards the trestles bridge. This section of the river is a perfect location for wading, swimming and other river activities. Enjoy the cool waters of the Santa Ana River during summer months.

WATER QUALITY
  • Passed water quality tests at least 95% of the time
  • Historical Status
  • This status is based on the latest sample, taken on August 17th, 2018. Inland Empire Waterkeeper 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:   
MONITORING FREQUENCY

Santa Ana River - McLean/Anza Narrows Park is sampled weekly from January 1st to December 31st

SOURCE INFORMATION

The Santa Ana River is tested weekly by Inland Empire Waterkeeper's Stream Team. The Team updates the the water quality status of popular recreation sites on Swim Guide as soon as results become available.

In California, maximum levels for bacteria are established for recreational open beach waters. Single sample maximum levels are 10,000 total coliform /100 ml. Objectives for freshwater recreation are based on e.coli density. The 30 day geometric mean e.coli density shall not exceed 126/100ml and a single sample limit not to exceed 235/100ml.

Swimmers are advised not to swim within 100 feet of a flowing storm drain.
Swimmers are also advised to stay out of the water for 72 hours following a rain event in the area.

WATER QUALITY GRAPH

Santa Ana River - McLean/Anza Narrows Park

Riverside, California

WATER QUALITY
  • Passed water quality tests at least 95% of the time
  • Historical Status
  • This status is based on the latest sample, taken on August 17th, 2018. Inland Empire Waterkeeper 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:   

Martha McLean-Anza Narrows Park is a city park located off of Jurupa Ave in the City of Riverside. There is ample parking, public restrooms, picnic tables, and bbq areas. There are several access points to the river of varying difficulty. The river is accessible by following the Santa Ana River Trail west towards the trestles bridge. This section of the river is a perfect location for wading, swimming and other river activities. Enjoy the cool waters of the Santa Ana River during summer months.

MONITORING FREQUENCY

Santa Ana River - McLean/Anza Narrows Park is sampled weekly from January 1st to December 31st

SOURCE INFORMATION

The Santa Ana River is tested weekly by Inland Empire Waterkeeper's Stream Team. The Team updates the the water quality status of popular recreation sites on Swim Guide as soon as results become available.

In California, maximum levels for bacteria are established for recreational open beach waters. Single sample maximum levels are 10,000 total coliform /100 ml. Objectives for freshwater recreation are based on e.coli density. The 30 day geometric mean e.coli density shall not exceed 126/100ml and a single sample limit not to exceed 235/100ml.

Swimmers are advised not to swim within 100 feet of a flowing storm drain.
Swimmers are also advised to stay out of the water for 72 hours following a rain event in the area.

WATER QUALITY GRAPH



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