Is it bad to swim in a pool that smells like a sewer?

Yes, swimming in a pool that smells like a sewer can be concerning. The odor may indicate poor water quality, inadequate sanitation, or the presence of harmful bacteria and contaminants. Swimming in such conditions can pose health risks, including skin infections or gastrointestinal issues. It's advisable to avoid the pool and report the issue to management for proper maintenance and treatment.