The Bandera County River Authority & Groundwater District has issued a warning declaring that recreational contact with the Medina and Sabinal rivers “may be hazardous to your health” because of the possibility of contamination related to how hot and still the waterways have become. The warning issued to media outlets as of Thursday, Aug. 15, says the river authority “strongly advises, at this time, to avoid recreational contact, including swimming, in the Medina and Sabinal rivers and their tributaries.” “Low to no flows due to drought conditions, combined with sustained high temperatures, have created a potentially hazardous situation for humans and animals,” ...