State Planning Efforts

The California Clean Air Act (CCAA) requires areas to attain state ambient air quality standards for ozone, carbon monoxide, sulfur dioxide, nitrogen dioxide and particulate matter (PM). Areas that do not meet these standards must prepare plans to demonstrate how they will reach attainment for these standards by the earliest practicable date. The District has attained each of these standards with the exceptions of ozone and PM.

The District's Governing Board adopted its Air Quality Attainment Plan (AQAP) in February 1992 pursuant to CCAA requirements and identified feasible emission control measures to provide expeditious progress towards attaining the state ozone standard. (The CCAA does not require attainment plans for particulate matter.) This plan was submitted to the California Air Resources Board and was approved in May 1992. The AQAP control measures focus on emission sources under the District's authority, specifically, stationary emission sources and some area-wide sources.

Triennial Report

The CCAA states that at the end of 1994 and once every three years thereafter, the District is responsible for updating the AQAP and describing the progress the District has made towards attaining the state ozone standard. As described in the California Health and Safety Code, Section 40924, these triennial reports must include the extent of air quality improvement achieved during the preceding three years and the expected and revised emission reductions for each measure scheduled for adoption in the proceeding 3-year period. The District's Governing Board has adopted updates to the original AQAP adopted in 1992. The most recent Triennial Assessment and Plan Update was adopted in May 2010.

2012 Triennial Report

The District expects to submit its 2012 Triennial Assessment and Plan Update to its Board of Directors on April 10, 2013. The draft report is available for review. A public workshop will be held on March 14, 2013. Comments can also be submitted through March 22, 2013.

* Download the draft report
* Workshop and comment submission info

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