Category: E. coli

Midas Creek
E. coli Monitoring 2019

Update October 1, 2019 Follow-up confirmation samples collected by the Division of Water Quality (DWQ) at Midas Creek upstream of the Jordan River on September 26, 2019, showed E. coli levels above the maximum water quality criteria. DWQ provides E. coli data when two consecutive samples from a monitoring location exceed health-based criteria. Utah uses …

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Maybey Pond
E. coli Monitoring 2019

Update September 13, 2019 The Davis County Health Department (DCHD) issued a health advisory for Maybey Pond on September 11, 2019, after samples collected on August 26, 2019, and September 10, 2019, showed E. coli levels above the maximum water quality standard. Advisory signs have been posted. Maybey Pond will be monitored on a regular …

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Syracuse Pond
E. coli Monitoring 2019

Update September 13, 2019 Syracuse Pond remains on a health advisory after follow-up samples collected by the Davis County Health Department (DCHD) on September 10, 2019, showed E. coli levels above the maximum water quality standard. DCHD will continue to monitor Syracuse Pond on a regular basis during the advisory. The advisory will remain in …

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North Fork Virgin River
E. coli Monitoring 2019

Update November 6, 2017 A health advisory remains in place for the North Fork Virgin River. Results from the 2016 and 2017 sampling season indicate that water quality is improving on the North Fork Virgin River. However, the National Park Service continues to educate backcountry visitors about the possible health risks associated with water contaminated …

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San Juan River: Mexican Hat
E. coli Monitoring 2019

Update July 25, 2019 The Division of Water Quality (DWQ) detected elevated levels of E. coli at Mexican Hat on May 23, 2019, during routine sampling. E. coli values reached 1203 Most Probable Number (MPN) per 100 mL, approximately three times higher than the health advisory threshold of >409 MPN per 100 mL. Subsequent sampling …

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San Juan River: Sand Island
E. coli Monitoring 2019

Update July 25, 2019 Additional sampling conducted on July 15, 2019, and July 17, 2019, showed E. coli levels well below the advisory threshold. Final sampling on July 25, 2019, confirmed continuing low E. coli levels. The health advisory was lifted on July 25, 2019. A health advisory for E. coli can be lifted after …

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Utah Lake: Lindon Beach
E. coli Monitoring 2019

Update July 9, 2019 The Lindon Beach beach advisory was lifted on July 9, 2019, since E. coli levels were well below the health advisory threshold over a period of more than four months. While routine sampling on February 19, 2019, showed E. coli levels of 686 Most Probable Number (MPN) per 100 mL, subsequent …

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Utah Lake: Lincoln Beach
E. coli Monitoring 2019

Update June 27, 2019 Response sampling at Lincoln Beach from June 17 to June 27, 2019, showed E. coli levels well below the advisory threshold. The beach was cleared on June 27, 2019, since levels were below the health advisory threshold over two consecutive weeks of sampling. Update June 13, 2019 A Division of Water …

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Rockport Reservoir: Pinery Picnic Area
E. coli Monitoring 2019

Update July 3, 2019 The Summit County Health Department lifted the E. coli advisory for the Pinery Picnic Area on July 2, 2019, after sampling results collected over two consecutive weeks fell below the advisory threshold of >409 Most Probable Number (MPN) per 100 millliters (mL). Update June 20, 2019 A Division of Water Quality …

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Response Agency Resources: E. coli

DWQ E.coli Sample Collection Standard Operating Procedure (SOP) The DWQ Sample Collection SOP covers sample collection protocol for E. coli sampling in Utah’s lakes, rivers, and streams. This SOP applies to all personnel collecting E. coli water quality samples, including DWQ monitoring staff, cooperating agencies, and volunteer monitors. DWQ E. coli Sample Analysis Standard Operating …

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E. coli Monitoring

The primary objective of the Division of Water Quality (DWQ) E. coli monitoring program is to monitor popular swimming and recreation areas to determine whether they have high levels of E. coli. If problems are discovered through testing, DWQ and cooperating partners such as local health departments conduct follow-up monitoring and look for areas that …

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Learn About E. coli

Escherichia coli, or E. coli, consists of a diverse group of bacteria with more than 700 serotypes. These bacteria are found in humans and warm-blooded animals and are an important part of a healthy intestinal tract. Most E. coli are harmless, but a few are pathogenic, meaning they can cause serious illness in humans, including …

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Protect Yourself: E. coli

Recreational water illnesses are caused by bacteria and other pathogens found in untreated water. They are spread by swallowing water, breathing in water spray, or coming into contact with contaminated water. Swimming pools and hot tubs are treated with chemicals to kill bacteria, but most other recreational waters, including streams running through popular parks, decorative …

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Current Conditions

2019 Advisories Maybey Pond Syracuse Pond North Fork Virgin River Rockport Reservoir Utah Lake: Lincoln Beach Utah Lake: Lindon Beach San Juan River: Sand Island San Juan River: Mexican Hat The Division of Water Quality (DWQ) routinely monitors priority lakes, reservoirs, and streams for E. coli as part of its statewide water-quality assessment process. Local …

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E. coli in Utah Waters

Escherichia coli or E. coli is a type of bacteria found in the intestines and feces of warm-blooded animals, including humans. While E. coli are not generally harmful themselves, their presence indicates feces or sewage contamination, which raises the possibility of disease-causing bacteria or viruses in the water. The presence of E. coli is used …

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2010 – 2016 E. coli Advisories

Utah Lake – Lindon Marina 2016 Clinton Pond, 2015 An E. coli advisory was issued by Davis County Health Department for Clinton City Pond on May 22, 2015 following 2 consecutive samples over the maximum E. coli criteria for waters with a 2B beneficial use. Signs were posted at the site and remained in place …

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