Section 5101.4 Of Chapter 1. Work Which May Be Done From California Streets And Highways Code >> Division 7. >> Part 3. >> Chapter 1.

. In the case of a proposal for a water supply system or sanitary sewers and facilities, the preliminary steps, including, but not limited to, environmental impact reports, feasibility studies, engineering plans, cost estimates, legal expenses, and elections, may, at the legislative body's discretion, be deemed to be improvements.