Swimmers and pool
and spa operators are urged to take precautions to keep swimming healthy and safe.
Water Illnesses (RWIs) are caused by germs spread by swallowing, breathing in
mists or having contact with contaminated water in swimming pools, hot tubs,
water parks, lakes, rivers, etc. RWIs can also be caused by chemicals in the
water or chemicals that evaporate from the water and cause indoor air quality
Common RWIs
include diarrhea, skin, ear, respiratory, eye, neurologic and wound infections.
Children, pregnant women and people with weakened immune systems are most at
risk for RWIs.
Safety tips for swimmers:
Shower before entering the pool.
Wash your hands after using the bathroom or
changing a diaper.
Don’t swallow pool water.
Don’t swim when you have diarrhea.
Safety tips for private and public pool/spa
  • Test
    pool and spa water regularly for Pseudomonas, which can cause hot tub rash
    and swimmers ear.
  • Ensure
    pools and spas have drain covers that comply with safety standards.
  • Keep
    pool and spa covers in good working order.
  • Supervise
    children in or near the water at all times.

The Mesa County Health Department Regional Lab offers water testing and information for both public and
private pool and spa operators, including homeowners with backyard pools or
spas. Samples should be dropped off at the lab Monday – Thursday 8 a.m. – 4:30
p.m. The lab is located on the south side of the first floor of the Health and
Human Services Building, 510 29 ½ Road.