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Lake Fayetteville Algae Advisory Dismissed
June 3, 2019                                                                    
Contact: Mark Rogers                                        
Water and Sewer Operations Manager  

Microcystin Algae Toxin at Low Levels in Lake Fayetteville, Advisory Dismissed
FAYETTEVILLE, Ark.— Recent water samples taken from Lake Fayetteville show that microcystin levels are 1.7 micrograms per liter (ug/L). This is well be below the advisory level of 10 ug/L. The City of Fayetteville issued an advisory about Lake Fayetteville mircocystin levels on May 17 because samples showed a level of 11 ug/L.
Lake visitors no longer need to take extra precautions when near the water.
Microcystin is an algae toxin released during decay of some algae types when present in a large group (called a “bloom”). Excessive application of landscaping fertilizers, which contain nutrients such as nitrogen and phosphorous, promotes algae growth. City officials remind residents and businesses to be aware of materials such as fertilizers, petroleum products, detergents, etc. that rain washes into our natural waterways and infrastructure. Learn more stormwater management and water quality at the City’s website here.
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