Division of Water Quality
Jordan River Recreational Monitoring
The Jordan River is a popular recreational corridor flowing north from Utah Lake through Utah and Salt Lake Counties. DEQ’s recreational water quality monitoring checks for two health concerns: Harmful Algal Blooms (HABs) and Waterborne Pathogens (E. coli). Find the most recent Jordan River 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
September 28, 2026: Harmful algal bloom (HAB) monitoring update
BE CAREFUL: A harmful algal bloom is currently present at all of our actively monitored sites of the Jordan River and there is now a river-wide Warning Advisory. Algae in the water may be producing dangerous toxins that can make humans and animals sick.
If you visit these areas:
- 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
- Kayaking is OK (avoid direct water contact)
- Know how to recognize a harmful algal bloom
Site(s) sampled: Utah Lake Outlet, 12300 South Rotary Park Footbridge (Draper), 5400 South Millrace Park (Taylorsville), Gadsby Plant Outfall North Temple (Salt Lake City)
September 10, 2026: Harmful algal bloom (HAB) monitoring update
A harmful algal bloom is currently present at four monitored sites on the Jordan River:
- Utah Lake Outlet
- 1500 North Crossing (Lehi)
- 12300 South Rotary Park Footbridge (Draper)
- 5400 South Pedestrian Bridge (Taylorsville)
Algae in the water may be producing dangerous toxins that can make humans and animals sick.
If you visit these areas:
- 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
- Kayaking is OK (avoid direct water contact)
- Know how to recognize a harmful algal bloom
Site(s) sampled: Utah Lake Outlet, 12300 South Rotary Park Footbridge (Draper), 5400 South Pedestrian Bridge (Taylorsville)
September 3, 2026: Harmful algal bloom (HAB) monitoring update
A harmful algal bloom is currently present at three monitored sites on the Jordan River:
- Utah Lake Outlet
- 1500 North Crossing (Lehi)
- 12300 South Rotary Park Footbridge (Draper) - Health Watch Advisory
Algae in the water may be producing dangerous toxins that can make humans and animals sick.
If you visit these areas:
- 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
- Kayaking is OK (avoid direct water contact)
- Know how to recognize a harmful algal bloom
Site(s) sampled: Utah Lake Outlet, 1500 North Crossing (Lehi), 12300 South Rotary Park Footbridge (Draper), 9900 South Shields Lane (South Jordan), 5400 South Millrace Park (Taylorsville)
August 5, 2026: Harmful algal bloom (HAB) monitoring update
BE CAREFUL: A harmful algal bloom is currently present at two monitored sites on the Jordan River:
- Utah Lake Outlet
- 1500 N crossing (Lehi)
Algae in the water may be producing dangerous toxins that can make humans and animals sick.
If you visit these areas:
- 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
- Kayaking is OK (avoid direct water contact)
- Know how to recognize a harmful algal bloom
Site(s) sampled: Utah Lake Outlet, 1500 N crossing in Lehi, Rotary Park foot bridge (12300 South), 5400 S at pedestrian bridge, 1700 S above drain outfall, Gadsby Plant Outfall at North Temple
August 11, 2026: Harmful algal bloom (HAB) monitoring update
BE CAREFUL: A harmful algal bloom is currently present at two monitored sites on the Jordan River:
- Utah Lake Outlet
- 1500 N crossing (Lehi)
Algae in the water may be producing dangerous toxins that can make humans and animals sick.
If you visit these areas:
- 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
- Kayaking is OK (avoid direct water contact)
- Know how to recognize a harmful algal bloom
Site(s) sampled: Utah Lake Outlet, 1500 N crossing in Lehi, Rotary Park foot bridge (12300 South), Shields Lane (9900 S)
July 28, 2026: Harmful algal bloom (HAB) monitoring update
BE CAREFUL: A harmful algal bloom is present at Jordan River. 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
- Kayaking is OK (avoid direct water contact)
- Know how to recognize a harmful algal bloom
Site(s) sampled: Jordan River at Utah Lake outlet
Jordan River at Rotary Park footbridge was also monitored and our teams saw no visible signs of a harmful algal bloom.