(a) To the extent that funding is made available, the state board may establish a program in accordance with this chapter to provide funding as described in subdivision (a) of Section 13487.5 to eligible applicants for any of the following purposes:
(1) Extending or connecting service lines from a water or wastewater system to the point of entry into a residential structure.
(2) Paying reasonable charges or fees for connecting to a water or wastewater system.
(3) Paying costs to properly abandon or destroy septic tanks and water wells, as necessary, to protect health and safety as required by local or state law.
(4) Improving, rehabilitating, replacing, or repairing existing water wells, including associated equipment.
(5) Installing a water treatment system if the groundwater exceeds a primary or secondary drinking water standard, as defined in Section 116275 of the Health and Safety Code.
(b) The state board may adopt any guidelines it determines are necessary to carry out the purposes of this chapter. A guideline adopted pursuant to this subdivision shall not be subject to the rulemaking requirements of Chapter 3.5 (commencing with Section 11340) of Part 1 of Division 3 of Title 2 of the Government Code.