When a recreational water facility is closing for the season, the owners are responsible for ensuring the pool does not create a nuisance or disease hazard. This can be done by securing the pool behind locked barriers, covering the pool with an approved safety cover, or marking the pool with a sign and maintaining water quality standards.
If the closed pool is in the same barrier as a year-round pool or spa
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Covered: The pool must be covered with a safety cover meeting ASTM standard F1346-91.
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Uncovered: Post a sign stating the pool is closed. This sign should be located in a conspicuous location. Water quality standards and water clarity must be maintained. Log test results weekly. If the closed pool does not share a barrier with a year-round pool or spa
If your closed pool can be secured by locked barriers, this is adequate to prevent the public from accessing the closed pool. Keep in mind, however, that maintaining water quality and clarity standards is recommended to prevent conditions that may attract mosquitoes or other nuisances.
