When #SeaLevelRise touches septic tanks, communities are in deep doo-doo.
"In 1999, with evidence that water quality was deteriorating along parts of the #Florida Keys, the state mandated that the island chain eliminate the use of tens of thousands of #SepticTanks and other outdated waste systems. The cost reached roughly $1 billion as Monroe County built centralized sewage and hooked up thousands of homes and businesses.