La jolla shores water quality

La jolla shores water quality DEFAULT


The San Diego-La Jolla Underwater Park spans 6,000 acres (24 km2) of ocean bottom and tidelands. The park has become a popular destination for snorkelers and scuba divers. The park was created by the City of San Diego in 1970 and actually has two other parks within it: the Ecological Reserve and the Marine Life Refuge.

Within the underwater park are two artificial reefs, created to attract and enhance marine life. The first was built in 1964 with Santa Catalina quarry rock dumped in 70 feet (21 m) of water near Scripps Canyon. The second was started in 1975 and is located at a depth of 40 feet (12 m) just offshore from Black's Beach.

From La Jolla Shores, the ocean bottom slopes gently out to sea. The reefs keep the waves minimal, making this an entry point for divers and kayakers. Kelp beds on the outer edges of the slope are popular fishing spots and great for observing seals, dolphins, birds and fish.

You can kayak the La Jolla sea caves and ecological reserve, which boasts an amazing array of scenery and wildlife you can't find anywhere else in San Diego


Beach Status Legend

GreenStatusSmallOpenRedStatusSmallClosed or contact advisory issued

This map reflects the current status of San Diego County beaches from Camp Pendleton to the US/Mexico border. San Diego Coastkeeper receives daily water quality information from the County of San Diego, Department of Environmental Health, and uploads it into our Swim Guide. Click on individual placemarks to learn more about each of the 80 San Diego County beaches.

Last Updated: October 22, 2021
La JollaChildren’s PoolChronic Advisory: Bacteria levels may exceed health standards. Avoid water contact in the advisory area.
San Diego BayTidelands ParkBacteria levels may exceed health standards. Avoid water contact in the advisory area.

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La Jolla beaches get high grades on annual water quality report card, though Cove gets an F in wet weather

La Jolla beaches got mostly A’s on the 30th annual Beach Report Card issued this week by nonprofit environmental group Heal the Bay, which assigns letter grades to beaches based on bacteria levels found in water samples throughout the year.

However, La Jolla Cove was among nine San Diego County beaches receiving an F for conditions in wet weather.

“California’s beaches are iconic and essential to our economy here,” said Shelley Luce, president and chief executive of Heal the Bay. “But unfortunately, they are not always clean and not always safe.”

The report card has “elevated awareness” among the public about the potential health risks of ocean water at different times of the year and in different weather, Luce said. The report ranks beach water conditions in winter dry weather, summer dry weather and wet weather. Bacteria levels typically spike during and after storms, when rainfall washes contaminants down creeks and storm drains into the surf zone.

Here’s how La Jolla beaches fared on the report card, with grades listed in order of summer dry weather, winter dry weather and wet weather:

  • La Jolla Shores, near Avenida de la Playa: A, A, A
  • La Jolla Shores, near Vallecitos:no grade, A, A
  • La Jolla Shores, near El Paseo Grande:no grade, A+, A+
  • Children’s Pool: A, B, A+
  • La Jolla Cove: C, C, F
  • Near Palomar Avenue: no grade, A, A
  • Windansea Beach, near Playa del Norte Street: no grade, A, A+
  • Windansea Beach, near Bonair Street:no grade, A, A+
  • Near Vista de la Playa: no grade, A+, A+
  • Near Ravina Street, south of Nicholson Point: no grade, A+, A+
  • South Casa Beach:no grade, A, A+

In California this year, 92 percent of beaches scored A or B grades during summer dry weather, and 91 percent earned those grades in winter dry weather. Just 65 percent, however, got high marks in wet weather.
San Diego County beaches scored slightly lower for dry conditions, with 90 percent getting A or B grades in summer and 88 percent in winter. However, the county fared better than the statewide average in wet weather, with 82 percent of beaches earning A’s or B’s.

Several North County beaches claimed top marks, while southern beaches showed more problems with pollution.

The report card “honor roll,” which highlights sites that scored A+ for all seasons and weather conditions, this year has 10 North County beaches on the list.

One San Diego beach — Vacation Isle Cove in Mission Bay — made the “Beach Bummers” list of the 10 worst sites for summer water quality, scoring an F for the season.

The grades are based on levels of three fecal indicator bacteria: total coliform, fecal coliform and Enterococcus species. These bacteria indicate the presence of harmful pathogens in the water that can cause skin, respiratory or gastrointestinal infections in people who are exposed to them.

Heal the Bay collects routine water sampling data from county and state health agencies, tribal agencies, sanitation departments and dischargers along the West Coast in order to analyze the bacteria counts, according to the report.

Over the three decades the organization has prepared the annual report, dry weather water quality has become “significantly better,” Luce said. “Our wet weather grades, however, show a significant decline. Water quality in the surf zone is significantly worse than when we first started reporting them.”

However, she said, those declines correspond with a change in water sampling techniques, with agencies now required to test water immediately next to the outfall, where contaminants are more concentrated, instead of farther into the surf zone, where they may be more diluted.

This year, the report also discussed how the COVID-19 coronavirus pandemic may affect beach access and water quality.

While the pandemic has dramatically changed beach access, with many coastal areas partially or completely closed for weeks, it’s not likely to present a health risk to swimmers, the report authors said.

“We do not know how long the virus survives in sewage or in the ocean,” said Luke Ginger, a water quality scientist with Heal the Bay, who noted that researchers have found the virus in sewage samples.

However, he said that by the time it’s discharged to the sea, sewage flows are likely so diluted that they pose little risk of virus transmission.

“Experts have said that the chance of transmission in the ocean is very low,” he said. “The virus mostly spreads through person-to-person contact.”

To be safe, however, he said swimmers should avoid shallow, enclosed beaches with poor water circulation, swim at least 100 yards from flowing storm drains, wait three days after rainfall to enter the ocean, and wear masks and practice social distancing on the beach.

La Jolla Light staff contributed to this report.

Adaptive surf clinic hits the beach at La Jolla Shores

Officials issue local water quality warnings

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated.

SAN DIEGO — County health officials warned Wednesday about potentially poor ocean water quality in La Jolla, a day after extending the area covered by a South Bay beach closure.

The advisory came a day after authorities extended the area covered by a three-month beach closure in Imperial Beach, due to sewage contamination in water samples. The closure, which began on Christmas Day, now reaches the city’s northern end, north of Carnation Avenue.

This week’s sample farther north at La Jolla Shores found bacteria in the water there “may exceed health standards,” but no hard closures were put in place. Still, residents were advised to “avoid water contact” in the area surrounding the samples, taken near Children’s Pool and Avenida De La Playa.

County staff collect samples at 81 San Diego County beaches each week.

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Warning signs will remain on the Imperial Beach shoreline until weekly samples reveal levels of bacteria have dropped back to safe levels, according to the San Diego County Department of Environmental Health and Quality.

Most trails in nearby Tijuana River Valley Regional Park are closed due to muddy conditions.

During dry months, when fewer than 30 million gallons of water flow through the Tijuana River daily, all of it is treated in Mexico before continuing into the ocean. As a result, most of the year, Tijuana River water flows into the ocean south of the border and continues southward, according to the department’s website.

During heavy rains, however, the river’s flow is not diverted or treated, and contaminated water follows the river’s natural course into the United States, where it can flow well north from the Tijuana Slough depending on the additional influence of tides and wind.

More information about park closures across San Diego County can be found at, and more information about ocean water quality can be found here.

Copyright 2021, City News Service, Inc.

Copyright 2021 Nexstar Media Inc. All rights reserved. This material may not be published, broadcast, rewritten, or redistributed.


Water shores quality jolla la

La Jolla Shores

San Diego County health officials issued an advisory Wednesday regarding ocean water quality at La Jolla Shores beach.

This week’s water sample at Avenida De La Playa indicated bacteria levels may exceed health standards. Residents were advised to avoid water contact, but the beach is not closed.

The advisory indicated runoff from rain last week may be the cause.

County staff collect samples at 81 San Diego County beaches each week and provide an online report.

Earlier this week the county extended a three-month beach closure in Imperial Beach due to sewage contamination from Mexico.

The closure in southern San Diego County, which began on Christmas Day, now reaches the northern end of Imperial Beach, north of Carnation Avenue.

Warning signs will remain on the Imperial Beach shoreline until weekly samples reveal levels of bacteria have dropped back to safe levels, according to the San Diego County Department of Environmental Health and Quality.

Most trails in nearby Tijuana River Valley Regional Park are closed due to muddy conditions.

Diving Shallow with Turtles at the Marine Room, La Jolla Shores, San Diego, California

He turned, and, hugging the waist, hugged him. You can't take your eyes off. Let's watch it together, have we seen more than one such movie.

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And she parted it. The buttock burned and ached from the blow, and warmth spread in the pope. She tried to rest after the experience. And then. A cry.

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