Portland Water Bureau
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News Releases
Cryptosporidium Monitoring Update: Detections from routine monitoring in the Bull Run. Customers do not need to take any additional precautions at this time. - 11/19/20

Since 2017, the Portland Water Bureau has detected low levels of Cryptosporidium from routine monitoring. Monitoring results were received from the Bull Run Watershed intake for Cryptosporidium, a potentially disease-causing microorganism. In the 50-liters sampled daily, between Sunday, Nov. 15, and Wednesday, Nov. 18, one Cryptosporidium oocyst was detected in the sample collected on Nov. 15 and two oocysts were detected in the sample collected on Nov. 18. Cryptosporidium was not detected in the samples collected on Nov. 16 or 17. Prior to these detections, Cryptosporidium was last detected from the Bull Run Watershed intake on Nov. 11, 2020.

The Bull Run watershed is Portland’s primary source of drinking water. The Portland Water Bureau does not currently treat for Cryptosporidium, but is required to do so under drinking water regulations. Portland is working to install filtration by September 2027 under a compliance schedule with Oregon Health Authority. In the meantime, Portland Water Bureau is implementing interim measures such as watershed protection and additional monitoring to protect public health. Consultation with public health officials has concluded that at this time, customers do not need to take any additional precautions.

Exposure to Cryptosporidium can cause cryptosporidiosis, a serious illness. Symptoms can include diarrhea, vomiting, fever and stomach pain. People with healthy immune systems recover without medical treatment. According to the Centers for Disease Control and Prevention (CDC), people with severely weakened immune systems are at risk for more serious disease. Symptoms may be more severe and could lead to serious or life-threatening illness. Examples of people with weakened immune systems include those with AIDS; those with inherited diseases that affect the immune system; and cancer and transplant patients who are taking certain immunosuppressive drugs.

The Environmental Protection Agency (EPA) has estimated that a small percentage of the population could experience gastro-intestinal illness from Cryptosporidium and advises that customers who are immunocompromised and receive their drinking water from the Bull Run Watershed consult with their healthcare professional about the safety of drinking the tap water. The Portland Water Bureau and Burlington, City of Gresham, City of Sandy, City of Tualatin, Green Valley, GNR, Hideaway Hills, Lake Grove, Lorna Domestic Water, Lusted, Palatine Hill, Pleasant Home, Raleigh, Rockwood, Skyview Acres, Tualatin Valley, Two Rivers, Valley View and West Slope Water Districts receive all or part of their drinking water supply from the Bull Run. To learn if your drinking water comes from Bull Run, please contact your local drinking water provider.

The public and the media are encouraged to view all sampling results posted to the City’s website at portlandoregon.gov/water/cryptoresults. The bureau will notify the media and public immediately should further test results indicate a risk to public health and precautions are necessary.

Customers with questions regarding water quality can call the Water Line at 503-823-7525.

 

ABOUT THE PORTLAND WATER BUREAU

The Portland Water Bureau serves water to almost a million people in the Portland area. Portland’s water system includes two great water sources, 53 tanks and reservoirs, and 2,200 miles of pipes. With 600 employees working on everything from water treatment to customer service, the Water Bureau is committed to serving excellent water every minute of every day.

Cryptosporidium Monitoring Update: Detections from routine monitoring in the Bull Run. Customers do not need to take any additional precautions at this time. - 11/13/20

Since 2017, the Portland Water Bureau has detected low levels of Cryptosporidium from routine monitoring. Monitoring results were received from the Bull Run Watershed intake for Cryptosporidium, a potentially disease-causing microorganism. In the 50-liters sampled daily, between Sunday, Nov. 8, and Wednesday, Nov. 11, one Cryptosporidium oocyst was detected in each of the samples collected on Nov. 8, 10 and 11. Cryptosporidium was not detected in the sample collected on Nov. 9. Prior to these detections, Cryptosporidium was last detected from the Bull Run Watershed intake on Nov. 4, 2020.

The Bull Run watershed is Portland’s primary source of drinking water. The Portland Water Bureau does not currently treat for Cryptosporidium, but is required to do so under drinking water regulations. Portland is working to install filtration by September 2027 under a compliance schedule with Oregon Health Authority. In the meantime, Portland Water Bureau is implementing interim measures such as watershed protection and additional monitoring to protect public health. Consultation with public health officials has concluded that at this time, customers do not need to take any additional precautions.

Exposure to Cryptosporidium can cause cryptosporidiosis, a serious illness. Symptoms can include diarrhea, vomiting, fever and stomach pain. People with healthy immune systems recover without medical treatment. According to the Centers for Disease Control and Prevention (CDC), people with severely weakened immune systems are at risk for more serious disease. Symptoms may be more severe and could lead to serious or life-threatening illness. Examples of people with weakened immune systems include those with AIDS; those with inherited diseases that affect the immune system; and cancer and transplant patients who are taking certain immunosuppressive drugs.

The Environmental Protection Agency (EPA) has estimated that a small percentage of the population could experience gastro-intestinal illness from Cryptosporidium and advises that customers who are immunocompromised and receive their drinking water from the Bull Run Watershed consult with their healthcare professional about the safety of drinking the tap water. The Portland Water Bureau and Burlington, City of Gresham, City of Sandy, City of Tualatin, Green Valley, GNR, Hideaway Hills, Lake Grove, Lorna Domestic Water, Lusted, Palatine Hill, Pleasant Home, Raleigh, Rockwood, Skyview Acres, Tualatin Valley, Two Rivers, Valley View and West Slope Water Districts receive all or part of their drinking water supply from the Bull Run. To learn if your drinking water comes from Bull Run, please contact your local drinking water provider.

The public and the media are encouraged to view all sampling results posted to the City’s website at portlandoregon.gov/water/cryptoresults. The bureau will notify the media and public immediately should further test results indicate a risk to public health and precautions are necessary.

Customers with questions regarding water quality can call the Water Line at 503-823-7525.

 

ABOUT THE PORTLAND WATER BUREAU

The Portland Water Bureau serves water to almost a million people in the Portland area. Portland’s water system includes two great water sources, 53 tanks and reservoirs, and 2,200 miles of pipes. With 600 employees working on everything from water treatment to customer service, the Water Bureau is committed to serving excellent water every minute of every day.

Water System Maintenance Closes NE 33rd Ave. Between Thompson and Knott Streets Evening of Saturday Nov. 14 - 11/12/20

PORTLAND, OR --- Portland Water Bureau crews will perform water system maintenance at the intersection of Northeast 33rd Avenue and NE Brazee Street from 7 p.m. Saturday, Nov. 14 to 6 a.m. Sunday, Nov. 15. The work requires that Northeast 33rd Avenue be closed to all traffic between Thompson and Knott streets.

Both north and southbound traffic on Northeast 33rd Avenue will be detoured around the construction site on Northeast 32nd Place. Traffic signs will direct travelers around the closure area.

The traveling public is reminded to stay alert and use caution as traffic may suddenly slow or stop. To avoid traffic delays, motorists are encouraged to use alternate routes around the work site.

                                                                                              ###

UPDATED: Crews Are Responding to a Main Break on NW 23rd Ave Between Thurman and Vaughn Streets - 11/10/20

Portland Water Bureau crews responded to repair a water main break on Northwest 23rd Avenue between Thurman and Vaughn streets last night. Northwest 23rd Avenue will be closed between Thurman and Vaughn through Tuesday afternoon so crews can make the repairs. Motorists, bicyclists, and pedestrians are urged to use caution around the construction areas.

The onramp to I-405 at Vaughn is open. The I-405 Freeway and Highway 30 are no longer impacted.

The pipe is a cast iron eight-inch main from 1926. Four water services are affected. Some customers may experience discolored water. Customers are encouraged to run water until it clears.

The Water Bureau’s Maintenance & Construction crews are called out to repair water main breaks at all hours of the day and night, an average of 200 times a year.

Be our eyes and ears. If you think you’ve spotted a broken main, call our emergency line 24-hrs. a day at 503-823-4874.

ABOUT THE PORTLAND WATER BUREAU

The Portland Water Bureau serves water to almost a million people in the Portland area. Portland’s water system includes two great water sources, 53 tanks and reservoirs, and 2,200 miles of pipes. With 600 employees working on everything from water treatment to customer service, the Water Bureau is committed to serving excellent water every minute of every day.

Crews Are Responding to a Main Break on NW 23rd Ave Between Thurman and Vaughn Streets - 11/10/20

Portland Water Bureau crews are responding to repair a water main break on Northwest 23rd Avenue between Thurman and Vaughn streets. Northwest 23rd Avenue will be closed between Thurman and Vaughn through the Tuesday evening commute so crews can make the repairs. Motorists, bicyclists, and pedestrians are urged to use caution around the

construction areas.

The onramp to I-405 at Vaughn is currently closed. Please use caution on I-405 and Highway 30 because of standing water. Water is expected to drain shortly. The onramp is expected to be opened by the Tuesday morning commute.

The pipe is a cast iron eight-inch main from 1926. Four water services are affected. Some customers may experience discolored water. Customers are encouraged to run water until it clears.

The Water Bureau’s Maintenance & Construction crews are called out to repair water main breaks at all hours of the day and night, an average of 200 times a year.

Be our eyes and ears. If you think you’ve spotted a broken main, call our emergency line 24-hrs. a day at 503-823-4874.

ABOUT THE PORTLAND WATER BUREAU

The Portland Water Bureau serves water to almost a million people in the Portland area. Portland’s water system includes two great water sources, 53 tanks and reservoirs, and 2,200 miles of pipes. With 600 employees working on everything from water treatment to customer service, the Water Bureau is committed to serving excellent water every minute of every day.

Attached Media Files: Traffic_Advisory_11092020.docx
Cryptosporidium Monitoring Update: Detections from routine monitoring in the Bull Run. Customers do not need to take any additional precautions at this time. - 11/06/20

Since 2017, the Portland Water Bureau has detected low levels of Cryptosporidium from routine monitoring. These detections are more common during the rainy season and not unexpected after the recent rains. Results from recent monitoring were received from the Bull Run Watershed intake for Cryptosporidium, a potentially disease-causing microorganism. One Cryptosporidium oocyst was detected in the 50-liters collected on Wednesday, Nov. 4. Prior to this detection, Cryptosporidium was last detected from the Bull Run Watershed intake on Oct. 18, 2020, when one oocyst was detected from the 50-liters sampled.

The Bull Run watershed is Portland’s primary source of drinking water. The Portland Water Bureau does not currently treat for Cryptosporidium, but is required to do so under drinking water regulations. Portland is working to install filtration by September 2027 under a compliance schedule with Oregon Health Authority. In the meantime, Portland Water Bureau is implementing interim measures such as watershed protection and additional monitoring to protect public health. Consultation with public health officials has concluded that at this time, customers do not need to take any additional precautions.

Exposure to Cryptosporidium can cause cryptosporidiosis, a serious illness. Symptoms can include diarrhea, vomiting, fever and stomach pain. People with healthy immune systems recover without medical treatment. According to the Centers for Disease Control and Prevention (CDC), people with severely weakened immune systems are at risk for more serious disease. Symptoms may be more severe and could lead to serious or life-threatening illness. Examples of people with weakened immune systems include those with AIDS; those with inherited diseases that affect the immune system; and cancer and transplant patients who are taking certain immunosuppressive drugs.

The Environmental Protection Agency (EPA) has estimated that a small percentage of the population could experience gastro-intestinal illness from Cryptosporidium and advises that customers who are immunocompromised and receive their drinking water from the Bull Run Watershed consult with their healthcare professional about the safety of drinking the tap water. The Portland Water Bureau and Burlington, City of Gresham, City of Sandy, City of Tualatin, Green Valley, GNR, Hideaway Hills, Lake Grove, Lorna Domestic Water, Lusted, Palatine Hill, Pleasant Home, Raleigh, Rockwood, Skyview Acres, Tualatin Valley, Two Rivers, Valley View and West Slope Water Districts receive all or part of their drinking water supply from the Bull Run. To learn if your drinking water comes from Bull Run, please contact your local drinking water provider.

The public and the media are encouraged to view all sampling results posted to the City’s website at portlandoregon.gov/water/cryptoresults. The bureau will notify the media and public immediately should further test results indicate a risk to public health and precautions are necessary.

Customers with questions regarding water quality can call the Water Line at 503-823-7525.

ABOUT THE PORTLAND WATER BUREAU

The Portland Water Bureau serves water to almost a million people in the Portland area. Portland’s water system includes two great water sources, 53 tanks and reservoirs, and 2,200 miles of pipes. With 600 employees working on everything from water treatment to customer service, the Water Bureau is committed to serving excellent water every minute of every day.