Beach Update: As of August 29, 2025, E. coli levels at Oak Grove Beach at Saylorville Lake have tested above the state health standard. Swimming is not recommended in this area at this time. Pet owners are also advised to keep animals from drinking lake water in this area, as high E. coli levels can affect them as well. For further information or questions, please contact the Saylorville Lake Administration Office at 515-276-4656.