Division of Water Quality
Calf Creek Recreational Monitoring
Calf Creek is located within the Grand Staircase-Escalante National Monument. DEQ’s recreational water quality monitoring checks for two health concerns: Harmful Algal Blooms (HABs) and Waterborne Pathogens (E. coli). Find the most recent monitoring information below.
Check First
Harmful algae mats may be present
- Do not touch or eat algae mats
- Keep dogs and young children away from mats
- Wading and paddling are ok
Updates
May 5, 2026: Harmful algae mats monitoring update
CHECK FIRST: Our monitoring team observed a small number of harmful algae mats at Calf Creek. Direct contact with or ingestion of mats can make humans and animals sick. Avoid mats while you recreate.
- Do not touch or eat any algae mats
- Keep children away from any algae mats
- Keep animals away from any algae mats
- Wading, fishing, and paddling are OK
- Know how to recognize a harmful algae mats