Columbia subject headings:
Drinking water--Contamination--United States.
Drinking water--Law and legislation--United States.
Federal aid to water quality management--United States--States.
Water quality management--United States--States--Finance.
Harvard subject headings:
Drinking water--Contamination--United States
Drinking water--Law and legislation--United States
Federal aid to water quality management--United States--States.
Water quality management--United States--Finance--States.
Princeton subject headings:
Drinking water--Contamination--United States.
Drinking water--Law and legislation--United States.
Federal aid to water quality management--United States--States.
Water quality management--United States--Finance--States.