CA Health & Safety Code Section 116750

(a)

Any person who tampers with a public water system is guilty of a felony and shall be punished by imprisonment pursuant to subdivision (h) of Section 1170 of the Penal Code for three, four, or five years, subject to a fine not to exceed thirty thousand dollars ($30,000), or both.

(b)

Any person who tampers with or makes a threat to tamper with a public water system is guilty of a felony and shall be punished by imprisonment pursuant to subdivision (h) of Section 1170 of the Penal Code for 16 months, two, or three years, subject to a fine not to exceed twenty thousand dollars ($20,000), or both.

(c)

For purposes of this section, the term “tamper” means either of the following:

(1)

To introduce a contaminant into a public water system with the intention of harming persons.

(2)

To otherwise interfere with the operation of a public water system with the intention of harming persons.