Other water quality monitoring efforts in the park have addressed potential effects on drinking water wells from pesticide treatment of the nearby pecan grove.
Did You Know?
An invasive plant that Lyndon B. Johnson National Historical Park has problems with just happens to be a non-native grass called Johnson Grass. Besides being tough to get rid of, it is poisonous to livestock if eaten just after a freeze. (photo ©Barry A. Rice/The Nature Conservancy)