Division of Water Quality
Pineview Reservoir Recreational Monitoring
Pineview Reservoir is located in Ogden Valley, east of Ogden in Weber County. 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.
Warning Advisory
Harmful Algae Present
- Do not swim or water ski
- Avoid areas of algae when boating
- Keep animals away
- Do not drink the water
- Clean fish well and discard guts
Updates
August 21 , 2026: Harmful algal bloom (HAB) monitoring update
BE CAREFUL: A harmful algal bloom is present at Pineview Reservoir. Algae in the water may be producing dangerous toxins that can make humans and animals sick.
If you visit the area:
- Do not swim or water ski
- Avoid areas of algae when boating
- Clean fish well and discard skin and guts
- Keep animals away
- Don't drink the water
- Know how to recognize a harmful algal bloom
July 27, 2026: Waterborne pathogen (E. coli) monitoring update
GOOD NEWS: E. coli counts were measured below recreational thresholds. Sampling suggests that the water is safe from harmful bacteria and viruses.
Site(s) sampled: Anderson Cove Beach USFS, Cemetery Point USFS, Middle Inlet.
July 22, 2026: Harmful algal bloom (HAB) monitoring update
GOOD NEWS: Our monitoring team did not see any visible signs of a harmful algal bloom. Learn more about harmful algal blooms.
Site(s) visited: Anderson Cove Beach USFS, Cemetery Point USFS, Middle Inlet, Southeast of 5900 East southern end.
July 16, 2026: Waterborne pathogen (E. coli) monitoring update
GOOD NEWS: E. coli counts were measured below recreational thresholds. Sampling suggests that the water is safe from harmful bacteria and viruses.
Site(s) sampled: Anderson Cove Beach USFS, Cemetery Point USFS, Middle Inlet.
July 8, 2026: Waterborne pathogen (E. coli) and HAB monitoring update
GOOD NEWS: E. coli counts were measured below recreational thresholds and our monitoring team did not see any visible signs of a harmful algal bloom.
Site(s) sampled: Anderson Cove Beach USFS, Cemetery Point USFS, Middle Inlet, Southeast of 5900 East southern end.
June 18, 2026: Harmful algal bloom (HAB) monitoring update
GOOD NEWS: Our monitoring team did not see any visible signs of a harmful algal bloom. Learn more about harmful algal blooms.
Site(s) visited: Anderson Cove Beach USFS, Cemetery Point USFS, Middle Inlet, Southeast of 5900 East southern end.