Pineview Reservoir Recreational Monitoring 2021

Report a Bloom

24-Hour DEQ Environment Incidents Line: (801) 536-4123

Call Utah Poison Control Center

Poison Control (800) 222-1222

If you believe you or your pet have been exposed to a harmful algal bloom, call (800) 222-1222.

Update November 1, 2021 (HABs)

The HABs Warning Advisory for Pineview Reservoir remains in place.

Samples taken on 10/25/2021 were returned on October 29th. The sample from along the north shore contained a toxigenic cell density of 665,903 cells/mL which is above the UDWQ/UDOH recommended Warning Advisory threshold of 100,000 cells/mL. DWQ will continue to watch the reservoir closely.


Update October 25, 2021 (HABs)

The HABs Warning Advisory for Pineview Reservoir remains in place

The DWQ HABs monitoring team visited Pineview Reservoir on October 25th. Harmful algal blooms were observed. Cyanotoxin and cell density samples were collected and results are pending.


Update October 7, 2021 (HABs)

The HABs Warning Advisory for Pineview Reservoir remains in place.

Samples taken on 9/30/2021 were returned on October 6th. The sample from along the north shore contained a toxigenic cell density below the UDWQ/UDOH recommended Warning Advisory threshold of 100,000 cells/mL. DWQ will continue to watch the reservoir closely.


Update September 30, 2021 (HABs)

The Waterborne Pathogens Warning Advisory and HABs Warning Advisory for Pineview Reservoir remain in place.

The DWQ HABs monitoring team visited Pineview Reservoir on September 29th. Harmful algal blooms were observed. Cyanotoxin and cell density samples were collected and results are pending.

Samples taken on 9/24/2021 were returned on September 30th. The sample from the marina boat ramp contained a toxigenic cell density of 3824 cells/mL which is below the UDWQ/UDOH recommended Warning Advisory threshold of 100,000 cells/mL. DWQ will continue to watch the reservoir closely.


Update September 29, 2021 (Waterborne Pathogens)

The Waterborne Pathogens Warning Advisory for Pineview Reservoir remains in place.

On September 16th, Weber-Morgan Health Department visited Pineview Reservoir. Samples from near Anderson Cove, Cemetery Point, State Park near the middle inlet did not contain E. coli above recreational thresholds. As UDWQ and UDOH continue to visit and monitor waterbodies, updates will be posted.


Update September 24, 2021 (HABs)

The Waterborne Pathogens Warning Advisory and HABs Warning Advisory for Pineview Reservoir remain in place.

The DWQ HABs monitoring team visited Pineview Reservoir on September 23rd. Harmful algal blooms were not observed. Cyanotoxin and cell density samples were collected and results are pending.


Update September 14, 2021 (HABs)

The Waterborne Pathogens Warning Advisory and HABs Warning Advisory for Pineview Reservoir remain in place.

Samples taken on 9/9/2021 were returned on September 13th. The sample from the marina boat ramp contained a toxigenic cell density of 11,880,391 cells/mL which is above the UDWQ/UDOH recommended Warning Advisory threshold of 100,000 cells/mL. DWQ will continue to watch the reservoir closely.

Keep yourself, your family, and your pets safe during a harmful algal bloom.


Update September 8, 2021 (Waterborne Pathogens/HABs)

The Waterborne Pathogens Warning Advisory for Pineview Reservoir remains in place.

On August 26th, Weber-Morgan Health Department visited Pineview Reservoir. Samples from near Anderson Cove, Cemetery Point, State Park near the middle inlet did not contain E. coli above recreational thresholds. Follow-up sampling will be conducted to re-evaluate the Warning Advisory as soon as possible.

Samples taken on 8/31/2021 were returned on September 2nd. The sample from the marina boat ramp contained a toxigenic cell density of 9,109,964 cells/mL which is above the UDWQ/UDOH recommended Warning Advisory threshold of 100,000 cells/mL. DWQ will return monthly for routine monitoring.


Update August 30, 2021(HABs)

The Weber-Morgan Health Department has issued a HABs Warning Advisory for the Middle Inlet Day Use area at Pineview Reservoir.

Although this Warning Advisory is for one area on the reservoir, harmful algal blooms may exist elsewhere as well.

Keep yourself, your family, and your pets safe during a harmful algal bloom.


Update August 27, 2021 (HABs)

Samples taken on 8/25/2021 were returned on August 26th. The sample from the marina boat ramp contained a toxigenic cell density of 135,122 cells/mL which is above UDWQ/UDOH recommended Warning Advisory threshold of 100,000 cells/mL. DWQ will return monthly for routine monitoring.


Update August 25, 2021 (HABs)

The DWQ HABs monitoring team visited Pineview Reservoir on August 24th. Harmful algal blooms were observed. Cyanotoxin and cell density samples were collected and results are pending.


Update August 23, 2021 (Waterborne Pathogens)

The Weber Morgan Health Department has issued a Waterborne Pathogens Warning Advisory for Pineview Reservoir at the Middle Inlet Picnic Area.

The 24-hr follow up sample taken on August 20th shows E. coli levels above the UDWQ/UDOH recommended Warning Advisory threshold of 235 MPN.

To keep yourself and your family safe during waterborne pathogen contamination please visit: https://deq.utah.gov/water-quality/protect-yourself-waterborne-pathogens


Update August 5, 2021 (HABs)

The DWQ HABs monitoring team visited Pineview Reservoir on August 4th. Harmful algal blooms were not observed at all sites visited. Cyanotoxin and cell density samples were not collected. Routine monitoring will continue monthly.


Update August 2, 2021 (Waterborne Pathogens)

On July 28th, Weber-Morgan Health Department visited Pineview Reservoir. Samples from near Anderson Cove, Cemetery Point, State Park near the middle inlet did not contain E. coli above recreational thresholds. Routine sampling will continue monthly.


Update July 7, 2021 (HABs)

The DWQ HABs monitoring team visited Pineview Reservoir on July 6th. Harmful algal blooms were observed near the south of the marina boat ramp and cyanotoxin and cell density samples were collected. Harmful algal blooms were not observed southeast of 5900 East, near the middle inlet swimming beach, Cemetery Point, or Anderson Cove Beach.

Samples were returned on July 7th. The sample from the marina boat ramp contained a toxigenic cell density below but the UDWQ/UDOH recommended Warning Advisory threshold of 100,000 cells/mL. DWQ will return monthly for routine monitoring.


Update July 6, 2021 (Waterborne Pathogens)

On June 30th, Weber-Morgan Health Department visited Pineview Reservoir. Samples from near Anderson Cove, Cemetery Point, State Park near the middle inlet did not contain E. coli above recreational thresholds. Routine sampling will continue monthly.


Update June 11, 2021 (Waterborne Pathogens)

On June 2nd, the Weber-Morgan Health Department visited Pineview Reservoir. Samples from near the middle inlet, Cemetery Point, and Anderson Cove Beach did not contain E. coli above recreational thresholds. Routine sampling will continue monthly.


Update June 4, 2021 (HABs)

On June 1st, the DWQ HABs monitoring team visited Pineview Reservoir. The monitoring team did not observe a harmful algal bloom. Cyanotoxin and cell density samples were not collected. As UDWQ and UDOH continue to visit and monitor waterbodies, updates will be posted.