Summary Report, detention basin criteria, detailed cost estimates, profiles of the drainage plan facilities, Exhibit Map and hydrology maps.
Summary report and cost estimates for the Hawker-Crawford drainage system and facilities.
Volume II & III (PDF)
Hydrology calculations for the north Fontana area and contiguous areas within the City's sphere of influence,
Volume IV& V (PDF)
Hydrology calculations for the south Fontana area and contiguous areas within the City's sphere of influence.
Resources and Helpful Links
San Bernardino County Public Works Department – Hydrology Manual and Related
NOAA Atlas 14 Point Precipitation Frequency Estimates
USDA Web Soil Survey
Disclaimer: The 1992 Master Plan is a guidance document for establishing a viable drainage concept and estimating the costs of these facilities. Many storm drains have been constructed since adoption of the Plan, some of which varied from the Plan. Refer to the GIS link below for existing conditions and contact Engineering for further information.