Walton Beach- Sauvie Island

Portland, Oregon
Managed by Columbia Riverkeeper

About 20 miles from downtown Portland, Walton Beach on Sauvie Island is a family-friendly beach on the Columbia River. This long sandy beach is popular with sunbathers and swimmers, and great for building sand castles or flying a kite on a windy day. You'll need a permit to park, which you can purchase at the Reeder Beach County Store. Find ample parking on the left of Reeder Road and then climb one of the staircases on the right to cross over the dunes and access the beach. This is a great beach for kids, but be aware that it is not uncommon to see off-leash dogs and the shoreline can drop off suddenly in places.

Columbia Riverkeeper volunteers monitor water quality at this beach from June-September.

WATER QUALITY
  • Passed water quality tests at least 95% of the time
  • Historical Status
  • This status is based on the latest sample, taken on . Columbia Riverkeeper 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:   
  • Report Pollution
MONITORING FREQUENCY

Walton Beach- Sauvie Island is sampled bi-weekly from May 15th to September 30th

SOURCE INFORMATION

The Oregon state water quality standard provides that a single sample shall not exceed 406 E.coli colonies/100 mL of water and the geometric mean of 5 samples within 30 days shall not exceed 126 colonies/100 mL. The EPA recommended standard is more protective and provides that a single sample shall not exceed 235 colonies/100mL and the geometric mean of 5 samples within 30 days shall not exceed 126 colonies/100mL.

The Swim Guide will utilize the EPA standard for Oregon beaches.

There is currently very limited water quality monitoring of Oregon's inland swim beaches. The federal Beach Act does not cover freshwater or riverine beaches, and the state of Oregon does not monitor swim beaches or recreation sites on the Columbia. Columbia Riverkeeper monitors recreation sites in the Columbia River Gorge through their Volunteer Water Quality Monitoring Program. Most sites are sampled monthly and high priority sites are sampled weekly from June-September.

The Swim Guide's safety ratings are based solely on E.coli levels. While E.coli concentration is a useful indicator of fecal contamination, there are many other potential sources of pollution that are not reflected in the Swim Guide. These include other bacteria, heavy metals, pharmaceuticals, and pesticides that may harm aquatic life. On the Columbia and other salmon rivers, high temperatures threaten fish that need cold water. If you are interested in getting involved or learning more about the Columbia River, visit www.columbiariverkeeper.org.

WATER QUALITY GRAPH

Walton Beach- Sauvie Island

Portland, Oregon
Managed by Columbia Riverkeeper
WATER QUALITY
  • Passed water quality tests at least 95% of the time
  • Historical Status
  • This status is based on the latest sample, taken on . Columbia Riverkeeper 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:   

About 20 miles from downtown Portland, Walton Beach on Sauvie Island is a family-friendly beach on the Columbia River. This long sandy beach is popular with sunbathers and swimmers, and great for building sand castles or flying a kite on a windy day. You'll need a permit to park, which you can purchase at the Reeder Beach County Store. Find ample parking on the left of Reeder Road and then climb one of the staircases on the right to cross over the dunes and access the beach. This is a great beach for kids, but be aware that it is not uncommon to see off-leash dogs and the shoreline can drop off suddenly in places.

Columbia Riverkeeper volunteers monitor water quality at this beach from June-September.

  • Report Pollution
MONITORING FREQUENCY

Walton Beach- Sauvie Island is sampled bi-weekly from May 15th to September 30th

SOURCE INFORMATION

The Oregon state water quality standard provides that a single sample shall not exceed 406 E.coli colonies/100 mL of water and the geometric mean of 5 samples within 30 days shall not exceed 126 colonies/100 mL. The EPA recommended standard is more protective and provides that a single sample shall not exceed 235 colonies/100mL and the geometric mean of 5 samples within 30 days shall not exceed 126 colonies/100mL.

The Swim Guide will utilize the EPA standard for Oregon beaches.

There is currently very limited water quality monitoring of Oregon's inland swim beaches. The federal Beach Act does not cover freshwater or riverine beaches, and the state of Oregon does not monitor swim beaches or recreation sites on the Columbia. Columbia Riverkeeper monitors recreation sites in the Columbia River Gorge through their Volunteer Water Quality Monitoring Program. Most sites are sampled monthly and high priority sites are sampled weekly from June-September.

The Swim Guide's safety ratings are based solely on E.coli levels. While E.coli concentration is a useful indicator of fecal contamination, there are many other potential sources of pollution that are not reflected in the Swim Guide. These include other bacteria, heavy metals, pharmaceuticals, and pesticides that may harm aquatic life. On the Columbia and other salmon rivers, high temperatures threaten fish that need cold water. If you are interested in getting involved or learning more about the Columbia River, visit www.columbiariverkeeper.org.

WATER QUALITY GRAPH



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