Frequently Asked Questions (FAQ)

Question:
Where can I find your most up-to-date hydrology/hydraulic manual for the County of LA online?

ANSWER:
Our Hydrology Manual can be found on and downloaded from the Department of Public Works website. A link is provided below.

Links:
  Water Resources Publications
hydrology manual WRD SWE hydrology sedimentation hydraulic hydrological wells groundwater rainfall conservation depth precipitation alert gauges stormwater engineering