email Sign up for Email Updates from OC Traffic CommitteeThe OC Traffic Committee (OCTC) holds monthly meetings at 10:00 a.m. on the second Thursday of each month. Meetings may be cancelled if…

OC Stormwater Compliance ProgramManaging stormwater compliance for Unincorporated Orange County, Orange County Flood Control District and Orange County Owned and Maintained Facilities.Best Management…

Join us every Wednesday night in OC Parks’ Irvine Ranch Open Space for a fitness-focused hike on the paved Hicks Haul Road. During the spring, summer and fall, hikers will enjoy wonderful sunset…

A TMDL (Total Maximum Daily Load) is defined in federal regulations as “the sum of the individual waste load allocations for point sources and load allocations for nonpoint sources and natural…

A number of documents are available on these pages that describe the regulations and programs aimed at preventing and controlling the discharge of pollutants to the municipal stormdrain system and…

Prop.84 OC Public Works Glassell Campus Stormwater Low Impact Development Retrofit ProjectClick here to view the Project Public Outreach VideoProject BackgroundOC Public Works Glassell Campus…

The County, cities, and water/special districts located within the Orange County and San Diego Regional Water Board boundaries have been meeting since 2003 in an effort to work together on water…

Municipal Separate Storm Sewer System (MS4) permits issued by the Santa Ana and San Diego Regional Water Quality Control Boards (RWQCBs) require municipalities to condition “priority” new development…

Regulatory BackgroundThe California State Water Resource Control Board and the nine Regional Water Quality Control Board (RWQCB), through the Clean Water Act, help address water pollution by…