Air Resources

 
Air resources in California are regulated by the California Air Resources Board (CARB) and 35 local or regional boards. Members are affected by various regulations and requirements promulgated and enforced by these agencies, and ACWA participates in regulatory proceedings that may cause significant problems for members. Following are summaries of some of those proceedings:

Standby Diesel-Fueled Generators
Pollution from diesel fuel has been identified by CARB as one of the biggest air polluters in California. Many water agencies have diesel-fueled standby or emergency generators so they can keep their systems operating if their primary energy sources are not available. CARB is developing regulations that could require many diesel generator owners, including water agencies, to replace their existing emergency generators for cleaner burning engines. Needless to say, that could be very expensive for many water agencies. The regulations also would establish strict standards for new diesel-fueled generators. ACWA has filed comments that urge a flexible approach, pointing out that water agencies' standby generators are operated for only a few hours during the course of most years. Their replacement would not have significant impact on air quality but would require major expenditures for the water agencies.

Diesel-Fueled Vehicles
The South Coast Air Quality Management District is developing rules that would require replacement of most diesel-fueled motor vehicles now in use. Some water agencies use diesel fueled vehicles, especially in areas where agency crews have fairly large areas to cover to maintain their systems. ACWA has filed comments in these proceedings urging the district to consider the financial burden on many water agencies.

Particulate Dust Pollution
The San Joaquin Valley Air Pollution Control District regulates fugitive dust emissions from private and public paved and unpaved roads. Such emissions are a significant problem in the San Joaquin Valley and the district's goal is to reduce those emissions. One way to do that is to reduce the traffic on unpaved roads. ACWA member agencies in the valley use such roads along levies and elsewhere to maintain their water systems. Restricted access could create significant problems for those agencies. ACWA has worked with the district staff and other interested parties to find means for the district to attain its objectives with minimal problems for members.

For additional information, please contact ACWA Director of Regulatory Affairs Krista Clark at KristaC@acwa.com or 916.441.4545.

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