Concerned about cyclosporiasis?
Our drinking water is safe.
- Cyclospora is a parasite that can be spread through contaminated food or water.
- WSSC Water’s tap water is completely safe.
- Along with advanced filtration and chlorination, WSSC Water uses Ultraviolet (UV) disinfection as an additional layer of public health protection.
- Our water continues to meet strict federal Safe Drinking Water Act standards.
- We continuously monitor and test our drinking water - from source to tap - to protect public health.
- For 108 years, WSSC Water has had no drinking water quality violations, a record that reflects our unwavering commitment to protecting public health and safeguarding every sip for our 1.9 million customers.
- Because the recent outbreak is most likely tied to contaminated food, you can reduce the risk of illness by washing fresh produce thoroughly under tap water or cooking vegetables thoroughly when possible.
- You do not need to boil your water or buy bottled water for drinking, cooking or washing your food.
- Learn more here: U.S. Centers for Disease Control and Prevention.
Last Modified: July 15, 2026, 3:56 pm EDT