An act to extend for three fiscal years the authorizations for appropriations under the Safe Drinking Water Act.

[AI summary unavailable — showing source text] Amends title XIV of the Public Health Service Act (Safety of Public Water Systems) to direct the Administrator of the Environmental Protection Agency (EPA) to establish demonstration projects to control drinking water contaminants in water supply systems serving 5,000 persons or less. Extends the authorization of appropriations through fiscal year 1982 for: (1) EPA activities relating to safe drinking water (other than research and technical assistance to States with respect to emergency situations affecting public water systems); (2) grants to States for public water system supervision programs; and (3) grants to States for underground water source protection programs.…