Utah Lake can be accessed from many locations in Utah County. The state park is three miles west of I-15 from exit 268 in Provo. 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.
Related Links
Updates
November 8, 2024: Harmful algal bloom (HAB) monitoring update
Recreational water quality monitoring has ended for the season. Monitoring will resume in summer 2025. A harmful algal bloom may still be present at this waterbody. Know what to look for and check before recreating.
October 15, 2024: Harmful algal bloom (HAB) monitoring update
BE CAREFUL: A harmful algal bloom is present throughout Utah Lake. Algae in the water may be producing dangerous toxins that can make humans and animals sick. Harmful algal blooms can shift quickly, so know how to recognize a harmful algal bloom.
Utah County Health Department has issued a WARNING ADVISORY for Utah Lake.
If you visit Utah Lake:
- Do not swim or water ski
- Avoid areas of algae when boating
- Clean fish well and discard guts
- Keep animals away
- Don’t drink the water
- Know how to recognize a harmful algal bloom
September 26, 2024: Harmful algal bloom (HAB) monitoring update
BE CAREFUL: A harmful algal bloom is present throughout Utah Lake. Algae in the water may be producing dangerous toxins that can make humans and animals sick. Harmful algal blooms can shift quickly, so know how to recognize a harmful algal bloom.
Utah County Health Department has issued a WARNING ADVISORY for Utah Lake.
If you visit Utah Lake:
- Do not swim or water ski
- Avoid areas of algae when boating
- Clean fish well and discard guts
- Keep animals away
- Don’t drink the water
- Know how to recognize a harmful algal bloom
September 25, 2024: Harmful algal bloom (HAB) monitoring update
BE CAREFUL: A harmful algal bloom is present throughout Utah Lake. Algae in the water may be producing dangerous toxins that can make humans and animals sick. Harmful algal blooms can shift quickly, so know how to recognize a harmful algal bloom.
Utah County Health Department has issued a WARNING ADVISORY for Utah Lake.
If you visit Utah Lake:
- Do not swim or water ski
- Avoid areas of algae when boating
- Clean fish well and discard guts
- Keep animals away
- Don’t drink the water
- Know how to recognize a harmful algal bloom
American Fork Marina, Lindon Marina:
Health Watch
September 18, 2024: Harmful algal bloom (HAB) monitoring update
BE CAREFUL: Know how to recognize a harmful algal bloom and avoid areas of visible algae when recreating.
If you visit these areas we recommend:
- Do not swim or water ski in areas of algae
- Avoid areas of algae when boating
- Clean fish well and discard guts
- Keep animals away
- Don’t drink the water
- Know how to recognize a harmful algal bloom
Other areas of Utah Lake:
Warning Advisory
September 18, 2024: Harmful algal bloom (HAB) monitoring update
BE CAREFUL: A harmful algal bloom is present in some areas of Utah Lake. Algae in the water may be producing dangerous toxins that can make humans and animals sick.
Utah County Health Department has issued a WARNING ADVISORY for Utah Lake, excluding the areas specified above.
- Do not swim or water ski
- Avoid areas of algae when boating
- Clean fish well and discard guts
- Keep animals away
- Don’t drink the water
- Know how to recognize a harmful algal bloom
American Fork Marina, Lindon Marina:
Health Watch
September 3, 2024: Harmful algal bloom (HAB) monitoring update
BE CAREFUL: Know how to recognize a harmful algal bloom and avoid areas of visible algae when recreating.
If you visit these areas we recommend:
- Do not swim or water ski in areas of algae
- Avoid areas of algae when boating
- Clean fish well and discard guts
- Keep animals away
- Don’t drink the water
- Know how to recognize a harmful algal bloom
Other areas of Utah Lake:
Warning Advisory
September 3, 2024: Harmful algal bloom (HAB) monitoring update
BE CAREFUL: A harmful algal bloom is present in some areas of Utah Lake. Algae in the water may be producing dangerous toxins that can make humans and animals sick.
Utah County Health Department has issued a WARNING ADVISORY for Utah Lake, excluding the areas specified above.
- Do not swim or water ski
- Avoid areas of algae when boating
- Clean fish well and discard guts
- Keep animals away
- Don’t drink the water
- Know how to recognize a harmful algal bloom
American Fork Marina, Lindon Marina:
Health Watch
August 30, 2024: Harmful algal bloom (HAB) monitoring update
BE CAREFUL: Areas of accumulating harmful algae have been observed at these locations. Know how to recognize a harmful algal bloom and avoid areas of visible algae when recreating.
If you visit these areas we recommend:
- Do not swim or water ski in areas of algae
- Avoid areas of algae when boating
- Clean fish well and discard guts
- Keep animals away
- Don’t drink the water
- Know how to recognize a harmful algal bloom
Other areas of Utah Lake:
Warning Advisory
August 30, 2024: Harmful algal bloom (HAB) monitoring update
BE CAREFUL: A harmful algal bloom is present in other areas of Utah Lake, with highest concentrations in Saratoga Springs Marina, the southern end, and Provo Bay. Algae in the water may be producing dangerous toxins that can make humans and animals sick.
Utah County Health Department has issued a WARNING ADVISORY for Utah Lake, excluding the areas specified above.
- Do not swim or water ski in areas with a bloom
- Avoid areas of algae when boating
- Clean fish well and discard guts
- Keep animals away
- Don’t drink the water
- Know how to recognize a harmful algal bloom
American Fork Marina, Lindon Marina, Saratoga Springs Marina:
Health Watch
August 26, 2024: Harmful algal bloom (HAB) monitoring update
BE CAREFUL: Areas of accumulating harmful algae have been observed at these locations. Know how to recognize a harmful algal bloom and avoid areas of visible algae when recreating.
If you visit these areas we recommend:
- Do not swim or water ski in areas of algae
- Avoid areas of algae when boating
- Clean fish well and discard guts
- Keep animals away
- Don’t drink the water
- Know how to recognize a harmful algal bloom
Other areas of Utah Lake:
Warning Advisory
August 26, 2024: Harmful algal bloom (HAB) monitoring update
BE CAREFUL: A harmful algal bloom is present in other areas of Utah Lake, with highest concentrations in the southern end and Provo Bay. Algae in the water may be producing dangerous toxins that can make humans and animals sick.
Utah County Health Department has issued a WARNING ADVISORY for Utah Lake, excluding the areas specified above.
- Do not swim or water ski in areas with a bloom
- Avoid areas of algae when boating
- Clean fish well and discard guts
- Keep animals away
- Don’t drink the water
- Know how to recognize a harmful algal bloom
American Fork Marina, Lindon Marina, Saratoga Springs Marina:
Health Watch
August 15, 2024: Harmful algal bloom (HAB) monitoring update
OKAY, BUT BE CAREFUL: Three weeks of sampling indicate that a harmful algal bloom is no longer present in these areas. Conditions may change quickly, know how to recognize a harmful algal bloom and avoid areas of visible algae when recreating.
Other areas of Utah Lake: Warning Advisory
Other areas of Utah Lake:
Warning Advisory
August 15, 2024: Harmful algal bloom (HAB) monitoring update
BE CAREFUL: A harmful algal bloom is present in other areas of Utah Lake, with highest concentrations in the southern end and Provo Bay. Algae in the water may be producing dangerous toxins that can make humans and animals sick.
Utah County Health Department has issued a WARNING ADVISORY for Utah Lake, excluding the areas specified above.
- Do not swim or water ski in areas with a bloom
- Avoid areas of algae when boating
- Clean fish well and discard guts
- Keep animals away
- Don’t drink the water
- Know how to recognize a harmful algal bloom
American Fork Marina, Lindon Marina, Saratoga Springs Marina:
Health Watch
August 9, 2024: Harmful algal bloom (HAB) monitoring update
OKAY, BUT BE CAREFUL: Three weeks of sampling indicate that a harmful algal bloom is no longer present in these areas. Conditions may change quickly, know how to recognize a harmful algal bloom and avoid areas of visible algae when recreating.
Other areas of Utah Lake:
Warning Advisory
August 9, 2024: Harmful algal bloom (HAB) monitoring update
BE CAREFUL: A harmful algal bloom is present in other areas of Utah Lake, with highest concentrations in the southern end and Provo Bay. Algae in the water may be producing dangerous toxins that can make humans and animals sick.
Utah County Health Department has issued a WARNING ADVISORY for Utah Lake, excluding the areas specified above
- Do not swim or water ski in areas with a bloom
- Avoid areas of algae when boating
- Clean fish well and discard guts
- Keep animals away
- Don’t drink the water
- Know how to recognize a harmful algal bloom
July 31, 2024: Harmful algal bloom (HAB) monitoring update
BE CAREFUL: A harmful algal bloom is present in some areas of Utah Lake. Algae in the water may be producing dangerous toxins that can make humans and animals sick.
Utah County Health Department has issued a WARNING ADVISORY for Utah Lake.
If you visit Utah Lake:
- Do not swim or water ski
- Avoid areas of algae when boating
- Clean fish well and discard guts
- Keep animals away
- Don’t drink the water
- Know how to recognize a harmful algal bloom
July 25, 2024: Harmful algal bloom (HAB) monitoring update
BE CAREFUL: A harmful algal bloom is present throughout Utah Lake. Algae in the water may be producing dangerous toxins that can make humans and animals sick.
Utah County Health Department has issued a WARNING ADVISORY for Utah Lake.
If you visit Utah Lake:
- Do not swim or water ski
- Avoid areas of algae when boating
- Clean fish well and discard guts
- Keep animals away
- Don’t drink the water
- Know how to recognize a harmful algal bloom
July 19, 2024: Harmful algal bloom (HAB) monitoring update
BE CAREFUL: A harmful algal bloom is present throughout Utah Lake. Algae in the water may be producing dangerous toxins that can make humans and animals sick.
Utah County Health Department has issued a WARNING ADVISORY for Utah Lake.
If you visit Utah Lake:
- Do not swim or water ski
- Avoid areas of algae when boating
- Clean fish well and discard guts
- Keep animals away
- Don’t drink the water
- Know how to recognize a harmful algal bloom
July 8, 2024: Harmful algal bloom (HAB) monitoring update
BE CAREFUL: A harmful algal bloom is present throughout Utah Lake. Algae in the water may be producing dangerous toxins that can make humans and animals sick.
Utah County Health Department has issued a WARNING ADVISORY for Utah Lake.
If you visit Utah Lake:
- Do not swim or water ski
- Avoid areas of algae when boating
- Clean fish well and discard guts
- Keep animals away
- Don’t drink the water
- Know how to recognize a harmful algal bloom
July 3, 2024: Harmful algal bloom (HAB) monitoring update
BE CAREFUL: A harmful algal bloom is present throughout Utah Lake. Algae in the water may be producing dangerous toxins that can make humans and animals sick.
Utah County Health Department has issued a WARNING ADVISORY for Utah Lake.
If you visit Utah Lake:
- Do not swim or water ski
- Avoid areas of algae when boating
- Clean fish well and discard guts
- Keep animals away
- Don’t drink the water
- Know how to recognize a harmful algal bloom
Lincoln Beach:
Warning Advisory
July 1, 2024: Harmful algal bloom (HAB) monitoring update
BE CAREFUL: A harmful algal bloom is present at Lincoln Beach and Marina. Algae in the water may be producing dangerous toxins that can make humans and animals sick.
Utah County Health Department has issued a WARNING ADVISORY for the Lincoln Beach area.
If you visit Lincoln Beach:
- Do not swim or water ski
- Avoid areas of algae when boating
- Clean fish well and discard guts
- Keep animals away
- Don’t drink the water
- Know how to recognize a harmful algal bloom
Provo Bay:
Warning Advisory
July 1, 2024: Harmful algal bloom (HAB) monitoring update
BE CAREFUL: A harmful algal bloom is present at Provo Bay. Algae in the water may be producing dangerous toxins that can make humans and animals sick.
Utah County Health Department has issued a WARNING ADVISORY for Provo Bay.
If you visit Provo Bay:
- Do not swim or water ski
- Avoid areas of algae when boating
- Clean fish well and discard guts
- Keep animals away
- Don’t drink the water
- Know how to recognize a harmful algal bloom
American Fork:
Warning Advisory
July 1, 2024: Harmful algal bloom (HAB) monitoring update
BE CAREFUL: A harmful algal bloom is present at American Fork Beach. Algae in the water may be producing dangerous toxins that can make humans and animals sick.
Utah County Health Department has issued a WARNING ADVISORY for American Fork Beach.
If you visit American Fork Beach:
- Do not swim or water ski
- Avoid areas of algae when boating
- Clean fish well and discard guts
- Keep animals away
- Don’t drink the water
- Know how to recognize a harmful algal bloom
Saratoga Springs Marina:
Warning Advisory
July 1, 2024: Harmful algal bloom (HAB) monitoring update
BE CAREFUL: A harmful algal bloom is present at Saratoga Springs Marina. Algae in the water may be producing dangerous toxins that can make humans and animals sick.
Utah County Health Department has issued a WARNING ADVISORY for Saratoga Springs Marina.
If you visit Saratoga Springs Marina:
- Do not swim or water ski
- Avoid areas of algae when boating
- Clean fish well and discard guts
- Keep animals away
- Don’t drink the water
- Know how to recognize a harmful algal bloom
Other areas of Utah Lake:
Health Watch
July 1, 2024: Harmful algal bloom (HAB) monitoring update
BE CAREFUL: Our monitoring team saw visible signs of a harmful algal bloom throughout Utah Lake. Algae in the water may be producing dangerous toxins.
We recommend:
- Do not swim or water ski in areas of algae
- Avoid areas of algae when boating
- Clean fish well and discard guts
- Keep animals away
- Don’t drink the water
- Know how to recognize a harmful algal bloom
Lincoln Beach:
Warning Advisory
June 28, 2024: Harmful algal bloom (HAB) monitoring update
BE CAREFUL: A harmful algal bloom is present at Lincoln Beach and Marina. Algae in the water may be producing dangerous toxins that can make humans and animals sick.
Utah County Health Department has issued a WARNING ADVISORY for Lincoln Beach.
If you visit Lincoln Beach:
- Do not swim or water ski
- Avoid areas of algae when boating
- Clean fish well and discard guts
- Keep animals away
- Don’t drink the water
- Know how to recognize a harmful algal bloom
Provo Bay:
Warning Advisory
June 28, 2024: Harmful algal bloom (HAB) monitoring update
BE CAREFUL: A harmful algal bloom is present at Provo Bay. Algae in the water may be producing dangerous toxins that can make humans and animals sick.
Utah County Health Department has issued a WARNING ADVISORY for Provo Bay.
If you visit Provo Bay
- Do not swim or water ski
- Avoid areas of algae when boating
- Clean fish well and discard guts
- Keep animals away
- Don’t drink the water
- Know how to recognize a harmful algal bloom
American Fork:
Warning Advisory
June 28, 2024: Harmful algal bloom (HAB) monitoring update
BE CAREFUL: A harmful algal bloom is present at American Fork. Algae in the water may be producing dangerous toxins that can make humans and animals sick.
Utah County Health Department has issued a WARNING ADVISORY for American Fork.
If you visit American Fork:
- Do not swim or water ski
- Avoid areas of algae when boating
- Clean fish well and discard guts
- Keep animals away
- Don’t drink the water
- Know how to recognize a harmful algal bloom
Saratoga Springs Marina:
Warning Advisory
June 28, 2024: Harmful algal bloom (HAB) monitoring update
BE CAREFUL: A harmful algal bloom is present at Saratoga Springs Marina. Algae in the water may be producing dangerous toxins that can make humans and animals sick.
Utah County Health Department has issued a WARNING ADVISORY for Saratoga Springs Marina.
If you visit Saratoga Springs Marina:
- Do not swim or water ski
- Avoid areas of algae when boating
- Clean fish well and discard guts
- Keep animals away
- Don’t drink the water
- Know how to recognize a harmful algal bloom
Other areas of Utah Lake:
Looks Good
June 28, 2024: Harmful algal bloom (HAB) monitoring update
GOOD NEWS: Our monitoring team did not see any visible signs of a harmful algal bloom. Conditions can change quickly so know how to recognize a harmful algal bloom and avoid areas of visible algae.
Provo Bay:
Warning Advisory
June 25, 2024: Harmful algal bloom (HAB) monitoring update
BE CAREFUL: A harmful algal bloom is present at Provo Bay. Algae in the water may be producing dangerous toxins that can make humans and animals sick.
Utah County Health Department has issued a WARNING ADVISORY for Provo Bay.
If you visit Provo Bay:
- Do not swim or water ski
- Avoid areas of algae when boating
- Clean fish well and discard guts
- Keep animals away
- Don’t drink the water
- Know how to recognize a harmful algal bloom
Lincoln Beach:
Warning Advisory
June 25, 2024: Harmful algal bloom (HAB) monitoring update
BE CAREFUL: A harmful algal bloom is present at Lincoln Beach and Marina. Algae in the water may be producing dangerous toxins that can make humans and animals sick.
Utah County Health Department has issued a WARNING ADVISORY for the Lincoln Beach area.
If you visit Lincoln Beach:
- Do not swim or water ski
- Avoid areas of algae when boating
- Clean fish well and discard guts
- Keep animals away
- Don’t drink the water
- Know how to recognize a harmful algal bloom
American Fork Beach:
Health Watch
June 25, 2024: Harmful algal bloom (HAB) monitoring update
BE CAREFUL: A harmful algal bloom was observed near American Fork Beach. Algae in the water may be producing dangerous toxins that can make humans and animals sick.
If you visit American Fork Beach:
- Do not swim or water ski in areas of algae
- Avoid areas of algae when boating
- Clean fish well and discard guts
- Keep animals away
- Don’t drink the water
- Know how to recognize a harmful algal bloom
Saratoga Springs Marina:
Health Watch
June 24, 2024: Harmful algal bloom (HAB) monitoring update
BE CAREFUL: A harmful algal bloom is present in the area around Saratoga Springs Marina. Algae in the water may be producing dangerous toxins that can make humans and animals sick.
If you visit Saratoga Springs Marina:
- Do not swim or water ski in areas of algae
- Avoid areas of algae when boating
- Clean fish well and discard guts
- Keep animals away
- Don’t drink the water
- Know how to recognize a harmful algal bloom
Lincoln Beach:
Warning Advisory
June 14, 2024: Harmful algal bloom (HAB) monitoring update
BE CAREFUL: A harmful algal bloom is present at Lincoln Beach. Algae in the water may be producing dangerous toxins that can make humans and animals sick.
Utah County Health Department has issued a WARNING ADVISORY for Lincoln Beach.
If you visit Lincoln Beach:
- Do not swim or water ski
- Avoid areas of algae when boating
- Clean fish well and discard guts
- Keep animals away
- Don’t drink the water
- Know how to recognize a harmful algal bloom
Provo Bay:
Warning Advisory
June 11, 2024: Harmful algal bloom (HAB) monitoring update
BE CAREFUL: A harmful algal bloom is present in Provo Bay. Algae in the water may be producing dangerous toxins that can make humans and animals sick.
Utah County Health Department has issued a WARNING ADVISORY for Provo Bay.
If you visit Provo Bay:
- Do not swim or water ski
- Avoid areas of algae when boating
- Clean fish well and discard guts
- Keep animals away
- Don’t drink the water
- Know how to recognize a harmful algal bloom
Lincoln Beach:
Health Watch
June 11, 2024: Harmful algal bloom (HAB) monitoring update
BE CAREFUL: A harmful algal bloom was observed near Lincoln Beach. Algae in the water may be producing dangerous toxins that can make humans and animals sick.
If you visit Lincoln Beach:
- Do not swim or water ski in areas of algae
- Avoid areas of algae when boating
- Clean fish well and discard guts
- Keep animals away
- Don’t drink the water
- Know how to recognize a harmful algal bloom
Other areas of Utah Lake:
Looks Good
June 11, 2024: 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.
Sites visited: Lindon Marina beach NE of launch ramps, Lindon Marina S dike, 2 miles W of Vineyard, 1 mile W of Provo boat harbor, 50 meters N of Utah Lake SP N dike, Utah Lake State Park Marina W side of marina near south jetty, 1 mile SE of Bird Island, Saratoga Springs Marina boat ramp, American Fork beach, American Fork Marina.
Provo Bay:
Warning Advisory
June 3, 2024: Harmful algal bloom (HAB) monitoring update
BE CAREFUL: A harmful algal bloom is present in Provo Bay. Algae in the water may be producing dangerous toxins that can make humans and animals sick.
Utah County Health Department has issued a WARNING ADVISORY for Provo Bay.
If you visit Provo Bay:
- Do not swim or water ski
- Avoid areas of algae when boating
- Clean fish well and discard guts
- Keep animals away
- Don’t drink the water
- Know how to recognize a harmful algal bloom
Other areas of Utah Lake:
Looks Good
June 3, 2024: 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.
Sites visited: American Fork Beach, American Fork Marina
Provo Bay:
Warning Advisory
May 31, 2024: Harmful algal bloom (HAB) monitoring update
BE CAREFUL: A harmful algal bloom is present in Provo Bay. Algae in the water may be producing dangerous toxins that can make humans and animals sick.
Utah County Health Department has issued a WARNING ADVISORY for Provo Bay.
If you visit Provo Bay:
- Do not swim or water ski
- Avoid areas of algae when boating
- Clean fish well and discard guts
- Keep animals away
- Don’t drink the water
- Know how to recognize a harmful algal bloom
Other areas of Utah Lake:
Looks Good
May 23, 2024: Waterborne pathogen (E. coli) & harmful algal bloom (HAB) monitoring update
GOOD NEWS: E. coli counts were measured below Utah Department of Health recreational thresholds. Sampling suggests that the water is safe from harmful bacteria and viruses. No signs of harmful algae were observed.
Site sampled: Lincoln Marina, shore NE of Spanish Fork inlet, S of Lincoln Marina, Utah Lake State Park Marina, Lindon Beach, American Fork Beach, American Fork Marina, Lincoln Beach N of Lincoln Marina, Saratoga Springs Marina boat ramp, Saratoga Springs picnic area.
Utah Lake E. coli Event 2018
Sandy Beach
Update August 6, 2018
E. coliadvisory remains in place at Sandy Beach on Utah Lake
Division of Water Quality (DWQ) crews collected E. coli samples at Sandy Beach on August 3, 2018. Concentrations from two out of the three samples exceeded the maximum E. coliconcentrations for Class 2A beneficial use. A Class 2A designation protects waters for frequent primary contact recreation where there is a high likelihood of ingestion of water or a high degree of bodily contact with the water. Examples include, but are not limited to, swimming, rafting, kayaking, diving, and water skiing.
DWQ monitoring crews will be in the area this week to collect harmful algal bloom (HAB) samples and will collect additional E. colisamples at that time.
Update August 2, 2018
E. coli advisory remains in place at Sandy Beach on Utah Lake
While samples collected at Sandy Beach by the Division of Water Quality (DWQ) on July 23, 2018, remained above the water-quality standard for E. coli, samples collected July 31, 2018, were below the standard. DWQ will collect samples over the next two weeks to confirm levels of E. coli at Sandy Beach. The advisory can be lifted if five samples collected over two weeks remain below the water-quality standard.
Update: August 1, 2018
E.coli advisory issued for Sandy Beach on Utah Lake
The Utah County Health Department (UCHD) has issued an advisory for Sandy Beach due to E. coli bacteria concentrations that exceeded the water-quality standard. UCHD posted advisory signs in the area on July 20, 2018.
Samples collected on July 17, 2018, showed E. coli concentrations above the maximum numeric criteria for a Class 2A beneficial-use designation and prompted follow-up monitoring by DWQ. The verification sample collected by monitoring crews on July 19, 2018, also exceeded water-quality standards for E. coli.
DWQ collects E. coli samples at Utah Lake’s Sandy Beach approximately once every two weeks during the routine sampling season running from May 1 to October 31.