Integrated Pest Management Policy
The IPM policy presented here is a culmination of years of input from various citizens, citizen commissions, consultants, city council actions and staff recommendations to the City of Davis. It is a consistent policy for all departments and their contractors that manage pest for the City of Davis.
This policy was modeled after San Francisco’s IPM policy that was developed in 1996. In addition it includes a pest control strategy known as the Pesticide Hazard and Exposure Reduction (PHAER) Zone System. The PHAER Zone System seeks ways to measure progress towards risk reduction goals, it allows grounds managers needed flexibility in their management options, and it informs the community about the general level of pesticide hazard that could be present on a site-by-site basis.
The PHAER Zone System establishes management zones on each site based upon the unique risk reduction goals of individual jurisdictions. These zones are designated as Green, Yellow, and Special Circumstance Zones, with Green Zones providing the lowest potential for pesticide hazard and exposure. Each Zone has a corresponding pesticide list determined by existing toxicological data.
This policy provides consistency among all city departments, and was reviewed by Natural Resources Commission on September 22, 2008, the Open Space Commission on October 6, 2008 and the Recreation and Parks Commission on October 16, 2008. The policy was approved by City Council on December 2, 2008
Implementation is occurring throughout the city’s parks and greenbelts with trials being conducted on alternative methods of control such as solarization and “green” pesticides incorporated with known effective practices like irrigation management and mulching.
PHAER zone implementation for individual parks will proceed as follows:
- 1. Winter 2009: Mace Ranch Park and Central Park.
- 2. Spring of 2009: Arroyo Park, Walnut Park and Community Park.
- 3. Summer 2009: Pioneer Park, Slide Hill Park, Chestnut Park, Sandy Motley Park.
- 4. Fall 2009: Westwood Park, Barovetto Park, North Star Park and Sycamore Park.
- 5. Winter 2010: Covell Park, La Playa Park, Oak Grove Park, Oxford Circle Park, Putah Creek Park.
- 6. Spring 2010: Redwood Park, Robert Arneson Park, West Manor Park, Willowcreek Park.
- 7. 2011 through 2014: Remaining parks, ball fields and greenbelts.
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