Volume 28, Number 1—January 2022
Synopsis
Potential Association of Legionnaires’ Disease with Hot Spring Water, Hot Springs National Park and Hot Springs, Arkansas, USA, 2018–2019
Allison E. James
, Kurt Kesteloot, J. Terry Paul, Richard L. McMullen, Shirley Louie, Catherine Waters, Jennifer Dillaha, Joel Tumlison, Dirk T. Haselow, Jessica C. Smith, Sooji Lee, Troy Ritter, Claressa Lucas, Jasen Kunz, Laura A. Miller, and Maria A. Said
, Kurt Kesteloot, J. Terry Paul, Richard L. McMullen, Shirley Louie, Catherine Waters, Jennifer Dillaha, Joel Tumlison, Dirk T. Haselow, Jessica C. Smith, Sooji Lee, Troy Ritter, Claressa Lucas, Jasen Kunz, Laura A. Miller, and Maria A. Said
Table 2
Environmental sample collection dates and locations, laboratory, and Legionella spp. culture results, HSNP and Hot Springs, Arkansas, USA, 2018–2019*
| Sample collection date | Laboratory | Locations† | Culture result |
|---|---|---|---|
| 2018 Oct 3 |
A |
Bathhouse A (poolside shower, individual shower, nearby cooling tower) |
Negative |
| 2019 Jan 9 |
A |
Bathhouse A (poolside shower, waterfall in 102°F pool, shower in women's locker room, shower in men's locker room, sauna cave, soaking tub, nearby outdoor cooling tower) |
Negative |
| 2019 Jul 15–16 |
A |
Bathhouse A (pool area air-conditioning unit, basement wood board, pool filter, hot water main supply line) | Negative |
| 5 decorative outdoor fountains | Negative | ||
| Administration building hot water reservoir | Negative | ||
| 2 nearby cooling towers |
Negative |
||
| 2019 Sep 18 |
B |
Bathhouse A (poolside shower)‡ | Positive |
| 2 decorative fountains near HSNP boundary | Negative | ||
| Administration building hot water reservoir |
Negative |
||
| 2019 Oct 4 |
B |
Bathhouse A (soaking tub, basement pipe) | Positive |
| Bathhouse B (soaking tub) | Negative | ||
| Bathhouse C (hot and cooled water soaking tub faucets) | Positive | ||
| Bathhouse D (sink) | Negative | ||
| Bathhouse E (sink) | Negative | ||
| Hot springs waterfall display | Negative | ||
| Hot springs water jug-filling station | Negative | ||
| Cooled or tempered water reservoir | Negative | ||
| 4 decorative outdoor fountains | Negative | ||
| Facility X (hot spring water spigot) | Positive | ||
| Nearby cooling tower |
Negative |
||
| 2019 Nov 12 | B | Administration building (hot spring water reservoir, 2 pump valves, hot water overflow) | Negative |
| 3 jug fountains | Negative | ||
| 1 decorative outdoor fountain | Negative | ||
| Bathhouse A (basement valve) | Negative | ||
| Bathhouse B (basement valve) | Negative | ||
| Bathhouse C (basement valve, 2 guest room soaking tubs) | Negative | ||
| Bathhouse E (basement valve) | Negative | ||
| Facility X (2 pump valves, 2 basement valves) | Negative | ||
| Hot springs water reservoirs (4 samples) | Negative | ||
| Facility Y (hot spring water supply, cooled spring water supply) | Positive |
*Bold text denotes locations of positive samples. HSNP, Hot Springs National Park. †Bathhouses A and B are spas; bathhouse C is a hotel; bathhouse D houses staff offices and a retail store; bathhouse E is a brewery restaurant. Facility X is a hotel and spa; facility Y is medical center.
Page created: October 27, 2021
Page updated: December 20, 2021
Page reviewed: December 20, 2021
The conclusions, findings, and opinions expressed by authors contributing to this journal do not necessarily reflect the official position of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.