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Improper Pool Maintenance a Contributing Cause in Increase of West Nile Virus Cases

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Improper Pool Maintenance Leading to Increase of West Nile Virus Cases

The West Nile Virus has become a concern in many parts of the United States, with mosquitoes being the primary mode of transmission, according to the U.S. Centers for Disease Control and Prevention (CDC). While it’s easy to underestimate the role that pools and neglected water sources can play in the spread of this virus, understanding the facts about West Nile Virus and its relationship with mosquitoes is crucial. Experts say that neglected pools can help contribute to the spread of West Nile Virus and advise that proper maintenance of swimming pools and standing bodies of water is the best way to mitigate this problem and protect their families.

The West Nile Virus Basics

Before we discuss the connection between neglected pools and the spread of West Nile Virus, it’s essential to understand some key facts about the virus itself. WVN is primarily transmitted to humans through mosquito bites. While many infected individuals may not exhibit any symptoms, some may experience West Nile Fever. However, the real concern lies in the less than 1% of cases that can develop into potentially fatal diseases known as West Nile Encephalitis or West Nile Meningitis. These severe illnesses result in inflammation of the brain or the area around it and require hospitalization.

The Role of Mosquitoes and Standing Water

Mosquitoes, as we know, breed and lay their eggs in standing water. The larvae that hatch from these eggs require microorganisms and detritus (decaying organic matter) to survive and develop into adult mosquitoes. This fact is pivotal in controlling the spread of WVN. To minimize mosquito breeding habitats, the CDC recommends homeowners take action to eliminate standing water sources, such as flower pots, cans, unused tires, pool covers, clogged gutters, and more.

According to the Centers for Disease Control and Prevention (CDC), 43 states have reported cases of WVN infections this year. The states with the highest number of reported cases are Colorado, California, Arizona, Nebraska, and South Dakota, in that order.

West Nile Virus Cases 2023 – Data Provided by CDC

As of last week, CDC data showed that 879 cases have been reported nationwide. Colorado, in particular, is facing the most severe outbreak, contributing over a quarter of the total infections in the U.S., with 243 cases and 11 fatalities. The proliferation of mosquitoes in the state can be attributed to a wet spring and summer.

Rachel Herlihy, an epidemiologist in Colorado, expressed concern over the situation, stating, “The trends we are observing in our West Nile virus tracking data are unprecedented. This season, we have detected the highest number of West Nile virus-infected mosquitoes in years.”

Although the majority of cases are concentrated in the Western and Southwestern regions of the country, officials along the East Coast are also expressing worries about the increasing prevalence of West Nile virus.

A single neglected pool can produce millions of potentially WNV-infected mosquitoes.
A single neglected pool can produce millions of potentially WNV-infected mosquitoes.

Neglected Pools: A Growing Concern

During the Great Recession, a significant number of pools went unmaintained, leading to a sharp uptick in the number of WVN cases reported. Safety experts are once again concerned about the rising number of West Nile Virus cases. In places like Contra Costa County, California, unmaintained swimming pools have been shown to increase the risk of mosquitoes and WVN because they provide a place where thousands of mosquitoes can develop from eggs to biting adults.

Steve Schutz, Ph.D., Scientific Program Manager, emphasizes the importance of this issue, stating, “Neglected (unmaintained or improperly maintained) swimming pools in residential neighborhoods have the potential to produce thousands of mosquitoes that are capable of becoming infected with West Nile Virus, putting the entire neighborhood at risk. That is why it’s so important to maintain swimming pools properly and to report neglected swimming pools to the District to reduce the risk of mosquitoes and West Nile Virus.”

West Nile Virus Prevention Tips for Pool Owners

If you own a swimming pool, you have an opportunity to contribute to the prevention of West Nile Virus (WNV) by taking specific measures to reduce mosquito breeding and exposure. Here are some smart tips to prevent West Nile Virus around your swimming pool:

  1. Maintain Proper Sanitization: Ensure that your pool or spa maintains the appropriate levels of an EPA-registered sanitizer at all times. This helps prevent microorganisms from proliferating in the water, which can serve as a food source for mosquito larvae.
  2. Regular Maintenance: Stay on top of pool maintenance tasks such as brushing, vacuuming, filtration, and backwashing. These actions reduce the availability of organic debris that mosquito larvae need to survive.
  3. Maintain Proper Water Balance: Keep the water chemistry balanced by regularly testing and adjusting pH, chlorine, and other chemical levels. A well-balanced pool is less attractive to mosquitoes.
  4. Eliminate Standing Water: Check your pool area and surroundings for any sources of stagnant water. This includes pool covers, flowerpots, buckets, pet dishes, birdbaths, and any other containers that can collect water. Regularly empty and clean these sources to prevent mosquito breeding.
  5. Pool Covers: If you use a pool cover, make sure it is tightly secured, so it doesn’t collect water. Properly maintain the cover to prevent water from accumulating on its surface.
  6. Regularly Clean Gutters: Clogged gutters can hold stagnant water, providing a perfect breeding ground for mosquitoes. Clean your gutters regularly to eliminate this risk.
  7. Landscaping: Trim bushes and trees around your pool area to reduce shaded areas where mosquitoes may hide during the day. Fewer hiding spots can mean fewer mosquitoes.
  8. Install Mosquito Nets or Screens: Consider installing mosquito nets or screens around your pool area. This can provide a physical barrier to keep mosquitoes out while you and your family enjoy the pool.
  9. Use Mosquito Repellent: When using the pool, especially during peak mosquito activity times (dusk to dawn), use mosquito repellent on exposed skin and clothing to reduce the risk of bites.
  10. Educate Neighbors: Encourage your neighbors to follow similar practices, as mosquito-borne diseases can affect the entire community. Collaborative efforts can be more effective in controlling the mosquito population.
  11. Report Neglected Pools: If you notice abandoned or neglected pools in your neighborhood, report them to your local authorities. Neglected pools can become breeding grounds for mosquitoes and increase the risk of West Nile Virus in the community.

While enjoying the benefits of pools and spas, homeowners should remain vigilant in maintaining proper sanitization and regular upkeep. By following these guidelines, you can create an environment that is less hospitable to mosquito larvae, thereby reducing the risk of WVN transmission. Stay informed and visit the CDC website for additional information on West Nile Virus and other mosquito-borne diseases. Your proactive efforts can help protect your family and contribute to the prevention of this potentially serious health threat.

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Pool News coverage brought to you by Pool Magazine's own Marcus Packer. Marcus Packer is a 20 year pool industry veteran pool builder and pool service technician. In addition to being a swimming pool professional, Marcus has been a writer and long time contributor for Newsweek Magazine's home improvement section and more recently for Florida Travel + Life. Have a story idea or tip you'd like to share with Pool Magazine? Email [email protected] your story idea.

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Blue Wave Recall on Over 13,000 Above Ground Pools

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Blue Wave Above Ground Pool Product Recall

Blue Wave has issued a recall affecting multiple above-ground swimming pool models after federal safety officials identified a potential drowning hazard involving children.

The recall, announced by the U.S. Consumer Product Safety Commission (CPSC) on December 18, covers approximately 13,400 Blue Wave brand above-ground pools that are 48 inches deep or taller and utilize an exterior compression strap as part of the pool’s frame system.

Reason for the Recall

The affected pools feature a compression strap positioned around the outside of the vertical support poles. While the strap is designed to provide structural stability, the CPSC determined that its placement may unintentionally create a foothold.

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According to the agency, this foothold could allow children to climb into the pool, even when the ladder has been removed, creating a risk of unsupervised access and potential drowning.

No injuries or fatalities have been reported in connection with the recalled products at the time of the announcement.

Affected Models

The recall applies to the following Blue Wave above-ground pool models:

• Blue Wave 15-Ft Rd 48-In Active Frame Pool
• Blue Wave 18-Ft Rd 52-In Active Frame Pool
• Blue Wave 18-Ft Rd 52-In Dark Cocoa Wicker Frame Pool
• Blue Wave 24-Ft Rd 52-In Dark Cocoa Wicker Frame Pool
• Blue Wave Rustic Cedar 15-Ft Round 48-In Deep Frame Swimming Pool Package W/Cover
• Blue Wave Rustic Cedar 18-Ft Round 52-In Deep Frame Swimming Pool Package W/Cover
• Blue Wave 18-Ft Round 52-In Gray Rattan Swimming Pool Package W/Cover
• Blue Wave 18-Ft Round 52-In Espresso Wicker Swimming Pool Package W/Cover
• Blue Wave 15-Ft Round 48-In Navy Blue Frame Swimming Pool Package W/Cover
• Blue Wave 18-Ft Round 52-In Navy Blue Frame Swimming Pool Package W/Cover
• Blue Wave 15-Ft Round 48-In Aspen Swimming Pool Package W/Cover
• Blue Wave Mocha Wicker 18-Ft Round 52-In Deep Swimming Pool Package With Cover
• Blue Wave Mocha Wicker 24-Ft Round 52-In Deep Swimming Pool Package With Cover
• Blue Wave Laguna 15-Ft Round 48-In Deep Swimming Pool Package With Cover
• Blue Wave Laguna 18-Ft Round 52-In Deep Swimming Pool Package With Cover

All affected models share a common design feature: an exterior compression strap that encircles the pool’s vertical supports.

Sales Channels and Distribution

The recalled pools were sold nationwide from January 2021 through July 2025 through a mix of big-box retailers, sporting goods stores, and online marketplaces, including:

• The Home Depot
• Lowe’s
• Dunham’s Sports
• Amazon
• Walmart
• Wayfair

Retailers have been notified to halt sales of affected models and to direct customers to the manufacturer’s recall remedy.

What Dealers and Retailers Should Know

For dealers and retail partners, the recall highlights the importance of prompt inventory review and customer outreach. Any remaining unsold stock matching the recalled models should be removed from the sales floor and distribution channels immediately.

Retailers that sold affected units during the recall period may see an increase in customer inquiries regarding eligibility, repair kits, and interim safety measures. Clear communication at the point of contact will be critical, particularly around the distinction between structural components and ladders, which many consumers assume are the primary access risk.

Service professionals and retail staff should also be prepared to explain that the recall does not involve a full product replacement, but rather a manufacturer-provided modification designed to eliminate the foothold while maintaining frame integrity.

Manufacturer Remedy

Blue Wave is offering a free repair kit to affected pool owners. The kit replaces the exterior compression strap with a lower-profile system installed closer to ground level. Once the repair is completed, the original strap can be removed.

Until the repair is installed, the manufacturer and CPSC recommend that pool owners prevent unsupervised access to the pool area or drain the pool temporarily.

Dealers and service professionals should advise customers not to remove or cut the compression strap prior to installing the repair kit, as doing so could compromise the pool’s structural stability.

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New Poolsafe Removable Mesh Safety Fences

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poolsafe-mesh-safety-fence

Poolsafe LLC, offers new mesh, removable safety fencing designed to be installed around any pool shape or size. Uses patented, transparent, large-hole ClearGuard™ Mesh for better visibility into the pool area, while also blending the fence into backyard. Lockable, self-closing Triton™ gate features a curved top bar to help prevent climbing. Unique Tri-Pod Truss system keeps gate aligned with daily usage. Available in 4ft and 5ft heights, in black, brown, beige, or gray colors. 

https://poolsafe.com/
(888) 489-2282

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Industry News

Latham Group Appoints Sean Gadd as Chief Executive Officer

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Latham Group Appoints Sean Gadd as Chief Executive Officer

Latham Group, Inc. (Nasdaq: SWIM), the largest designer, manufacturer, and marketer of in-ground residential swimming pools in North America, Australia, and New Zealand, appoints Sean Gadd as the company’s new President and Chief Executive Officer as part of a CEO transition that will take effect on January 5, 2026. The appointment follows a comprehensive search as part of a succession planning process led by the Board and current CEO Scott Rajeski, who will be retiring from Latham and will serve as a special advisor to the company.

Sean Gadd comes to Latham following a 21-year career at James Hardie. He most recently served as President of North America since 2022, where he has had full P&L responsibility for James Hardie’s largest regional business. Prior to his role as President of North America, Sean served as Executive Vice President, North America, Commercial (2018-2022) and Executive Vice President, Markets and Segments, North America (2015-2018) at James Hardie, leading the front end of the business across product, marketing, and sales. Sean has been instrumental in spearheading James Hardie’s substantial organic net sales growth since 2022, driving material conversion and deeper market penetration through a refined go-to-market strategy targeting end-users via channel partners. Sean brings experience that is directly comparable to Latham’s material conversion and Sand State initiatives, and his demonstrated success in driving strategic growth will be invaluable for Latham and its shareholders.

James E. Cline, Chairman, commented, “Sean is known as a strong leader and brand-builder and has an impressive track record of driving growth at James Hardie. We are thrilled that he has accepted the CEO role at Latham, and the Board believes Sean will be able to leverage his robust commercial experience, sector knowledge, and branding expertise to accelerate our ability to continue to gain share and further the conversion to fiberglass from concrete pools.”

“I am pleased to be joining Latham and am looking forward to building on its achievements to date. This is an excellent opportunity for me to utilize my experience in the building products category to drive further market penetration and adoption of Latham’s top-quality products and greater recognition for its superior service standards,” Mr. Gadd commented.

Mr. Gadd will also become a member of Latham’s Board of Directors, replacing Mr. Rajeski, who is resigning from the Board concurrently with his retirement.

Mr. Cline commented, “On behalf of the Board of Directors, I want to express our deep appreciation for the contributions that Scott Rajeski has made to Latham during his long tenure at the company, first as Chief Financial Officer and, since 2017, as President and Chief Executive Officer. Under his leadership and that of his executive and operating teams, the company went public in April of 2021 and has experienced substantial growth, demonstrated resilience within a difficult industry environment, and built a strong financial position.”

Mr. Rajeski noted, “It has been a privilege to serve as the President & CEO of Latham alongside the talented executive and operating teams that we have at the company. Together, we have advanced the awareness and adoption of fiberglass pools and autocovers, while implementing production and related efficiencies that have streamlined our operations. I am proud to be retiring as CEO of Latham with the company in a strong financial position and in very capable hands. Throughout my conversations with Sean, I have been very impressed with his leadership capabilities and background, and I am confident that he will bring a unique skillset that will allow Latham to continue to outperform the industry, gain further traction in the important Sand States, and remain an acquirer of choice.”

About Latham Group, Inc.

Latham Group, Inc., headquartered in Latham, NY, is the largest designer, manufacturer, and marketer of in-ground residential swimming pools in North America, Australia, and New Zealand. Latham has a coast-to-coast operations platform consisting of approximately 1,850 employees across around 30 locations.

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