[Comment: It pays to test ones own water periodically. Pesticide use is so widespread that it's contaminated most lands now.]
Pesticide found in more private wells; county to speed up extension of public water
http://www.miamiherald.com/2010/07/08/v-fullstory/1721919/pesticide-found-in-more-private.html
http://www.miamiherald.com/2010/07/08/v-fullstory/1721919/pesticide-found-in-more-private.html
"Traces of a potentially dangerous pesticide have been found in the private wells in at least 15 more South Miami-Dade homes. That brings the total to more than 50 since May."