A bill to amend the Safe Drinking Water Act to protect groundwater resources and to prevent leaks and releases from underground storage tanks.

[AI summary unavailable — showing source text] Amends the Safe Drinking Water Act (title XIV of the Public Health Service Act) to add new part F provisions for the regulation of underground storage tanks containing substances other than hazardous waste. Defines "hazardous substances," for purposes of part F, as: (1) any substance defined under specified provisions of the Comprehensive Environmental Response, Compensation, and Liability Act of 1980 (Superfund) (CERCLA), but not including substances regulated as hazardous wastes under the Solid Waste Disposal Act; (2) petroleum, including oil or any fraction thereof; and (3) natural gas liquids or gas liquids, except that the term "gas liquids" does not include propane or butane having in the container an absolute pressure exceeding 40 pounds per square inch absolute at 70 degrees Fahrenheit. Defines "owner or operator," "person," and "release." Defines "underground storage tank" to include underground pipes connected to such a tank, and lists the following exclusions from this term: (1) farm or residential underground storage tanks of 1,100 gallons or less capacity used for storing motor fuel for noncommercial purposes; (2) underground storage tanks used for storing heating oil …