UST RED TAG Program Delivery prohibition programs that physically identify USTs that are ineligible to receive product. The mechanisms are usually red tags, but the mechanisms and their colors can vary by state. The mechanisms are generally attached to the fill pipes of ineligible tanks. If an UST does not have a red tag, then the deliverer can assume that the tank is compliant and eligible for delivery. UST GREEN TAG Program Delivery prohibition programs that physically identify USTs that are eligible to receive product. The mechanisms are usually green tags or permits, but the mechanisms and their colors can vary by state. The mechanisms are generally conspicuously displayed at the UST facility. If a green tag or permit is present, then the deliverer can assume the tank is compliant and eligible for delivery. The absence of a green tag or permit prohibits deliveries to the UST. https://www.epa.gov/ust/state-delivery-prohibition-programs -------All states allow UST but with regulation both federal and state/local. We had 500 gallon for backup generator installed underground in 2019 in Fla.
Neat map. “UST” (underground storage tank) doesn’t just apply to propane. It also covers gasoline, Avgas, diesel, fuel oil, heavy oil, alcohol, and other burnable stuff that I probly don’t use. Around the extended family we’ve been dealing with rule flip flops since the 1950’s. Sometimes, for instance, gasoline has had to be underground then, later, up in the air. Local fire marshals get drifty and screw with the rules occasionally.
My local fuel distributor has to use tall above ground tanks. They worry about ground water. Service stations have to bury them but they worry more about fire than ground water. But then us agricultural and light industry guys can use gravity feed above ground. Don’t even try to out guess the rule makers. If you need to store fuel just get out your checkbook and bend over.