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Child Dies Of Rare Brain-Eating Amoeba Infection Linked To Arlington Splash Pad

ARLINGTON, Texas (CBSDFW.COM) - The City of Arlington revealed Monday, Sept. 27, a 3-year-old boy died on Sept. 11 of a rare and often fatal infection caused by the Naegleria fowleri amoeba after visiting the Don Misenhimer Park splash pad on Sept. 5.

A Tarrant County Public Health investigation determined two possible sources for the child's exposure to water containing N. fowleri: the family's home in Tarrant County or the Don Misenhimer Park splash pad in Arlington.

On Sept. 24, the Centers for Disease Control and Prevention confirmed the presence of active N. fowleri amoeba at the splash pad from water samples and determined the Arlington site was the likely source of the child's exposure.

Don Misenhimer Park splash pad
Don Misenhimer Park splash pad (Chopper 11)

Tarrant County Public Health and the City of Arlington said they were notified Sept. 5, that a child was hospitalized at Cook Children's Medical Center with primary amebic meningoencephalitis.

The risk of N. fowleri infection is very low, with only 34 reported infections in the United States between 2010 and 2019, according to the CDC.

N. fowleri infects people when water containing the amoeba enters the body through the nose, the city of Arlington explained in a news release.

This typically occurs when people go swimming or diving in warm freshwater places, such as lakes and rivers. In very rare instances, the amoeba has been identified in other sources, such as inadequately chlorinated swimming pool water or heated and contaminated tap water.

The city closed the Don Misenhimer Park splash pad on Sept. 5, immediately following notification of the child's illness, and proactively closed all public splash pads for the remainder of the year out of an abundance of caution.

Arlington's chief epidemiologist Russ Jones said it's a bacteria that thrives in water that's recirculated.

"When they recirculate it there really needs to be two different types of disinfection to prevent this from happening," Jones said.

But the lack of disinfection caused it to happen according to the CDC as well as Arlington city leaders who say they feel personally responsible.

"It breaks my heart I'm a father of 4. I'm a grandfather of 5 kids from 2 to 7 years old. I cannot imagine having to bury a child or grandchild like that," said Arlington Mayor Jim Ross.

The city says all of its splash pads will remain off until an investigation and that the water supply was never impacted.

Despite the death, health experts say splash pads can be operated safely as long as they are properly maintained.

Health experts say the risk of drowning is still 100 times greater than contracting this infection.

They recommend parents ask questions about the splash pads operated in other cities especially if they use recirculated water.

Symptoms of primary amebic meningoencephalitis typically present within nine days of infection, according to the CDC. Other than this child, there have been no other instances of this infection reported to Tarrant County Public Health.

The city said it has been working with the county, the Texas Commission on Environmental Quality, the Texas Department of State Health Services and the Centers for Disease Control and Prevention to determine whether the splash pad was the source of the infection and what conditions may have allowed the amoeba to exist in the treated water.

City and county officials said under direction of the CDC, they collected a series of water samples from the splash pad and sections of the system that provide water to the facility and the surrounding area between Sept. 10 and Sept. 14.

These samples were sent to the CDC for testing.

On Sept. 16, the CDC said that the samples collected from the Arlington splash pad tested "preliminary positive" for the presence of N. fowleri amoeba.

Those test results were confirmed on Sept. 24.

As part of its response plan, the City of Arlington is conducting a thorough review of splash pad equipment and supplies, maintenance, and water quality inspection policies, procedures and training to ensure safe recreational spaces for residents and visitors. All city splash pads passed their annual inspection prior to the start of the summer season. Water quality testing data, however, has shown the need for improvement, city officials said.

"We have identified gaps in our daily inspection program," Deputy City Manager Lemuel Randolph said. "Those gaps resulted in us not meeting our maintenance standards at our splash pads. All of the splash pads will remain closed until we have assurance that our systems are operating as they should, and we have confirmed a maintenance protocol consistent with city, county and state standards."

Records from two of the four splash pads, the ones at Don Misenhimer Park and The Beacon Recreation Center, show that Parks and Recreation employees did not consistently record, or in some cases did not conduct, water quality testing that is required prior to the facilities opening each day.

This includes checking for chlorine, which is a disinfectant used to prevent harmful organic matter.

When chlorine level readings were below minimum state standards at those locations, the inspection log did not consistently reflect what action city employees took to bring the chlorination levels up. For example, the logs did not always show how much disinfectant chemical was manually added to the splash pad's water system.

The logs also did not consistently include a follow-up reading to confirm that the water chlorination levels were at acceptable levels after treatment.

Additionally, a review of inspection logs found that water chlorination readings were not documented at Don Misenhimer splash pad on two of the three dates that the child visited the location in late August and early September. Documents show that chlorination levels two days before his last visit were within acceptable ranges.

However, the next documented reading, which occurred the day after the child visited, shows that the chlorination level had fallen below the minimum requirement and that additional chlorine was added to the water system.

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