Stormwater Management Assistance

(including TMDL compliance and SWMP development and implementation)
Description
OWP research staff have provided assistance with guidance development and decision making for various aspects of stormwater management and TMDL compliance. Program assistance has included developing guidelines for treatment and erosion control BMP testing and implementation, suggesting general protocols for stormwater monitoring, creating tools for designing effective BMPs and stormwater management programs, and developing Stormwater Management Plans.

Experience
Caltrans Stormwater Data Storage
Caltrans BMP Pilot Study Guidance Manual
Caltrans Stormwater Monitoring Guidance Manual
Caltrans Stormwater Quality Handbooks – Maintenance Staff Guide
Caltrans Water Quality Planning Tool
Caltrans Basin Sizer
Basin Sizer Image
Basin Sizer is a software program that assists users in sizing stormwater basins anywhere in California. The program calculates water quality volumes (WQVs) and water quality flows (WQFs) using a variety of methods and data from rainfall stations throughout the state. Project locations can be selected easily by zooming and panning across a map.


OWP Tasks
  • Calculated WQVs from over 200 Rain Gauges
  • Calculated WQFs from over 700 Rain Gauges
  • Developed the Basin Sizer Program
  • Updated and Maintained the Program
  • Distributed the Program from OWP's Website
Report/Study Link:
Caltrans Basin Sizer
OWP Contacts: Scott Meyer
Caltrans Stormwater Treatment BMP Technology Report
Caltrans Hydrologic Utility Tool