Each library board has as its trust the establishment of policy for the maintenance and function of the local library. The gravity of the board's charge is expressed by the following responsibilities:

• Assure the provision of adequate cultural, educational, informational, and recreational library materials;
• Establish and maintain the library as an information center for the community and provide access to optimum Information systems and services;
• Provide adequate funding for the space, staffing, equipment and materials needed for library programs and services;
• Encourage and authorize a planning process which identifies community needs for library programs and services;
• Encourage and develop ongoing trust, foundation and endowment funding, the income of which will enhance and supplement the library's ability to deliver programs and services.
• Measure and evaluate the effectiveness of library programs and services;
• Employ a qualified library director and provide for continuing development and evaluation of the director;
• Provide competitive salaries, optimum work conditions, and ample continuing education opportunities for staff;
• Encourage the participation of the library, its trustees and staff in professional associations and activities;
• Ensure that services are delivered by a staff whose numbers are sufficient, who have been trained for positions occupied and who operate with appropriate and current job descriptions;
• Provide adequate spaces and facilities for housing library materials and conducting library activities;
• Maintain for all citizens access to library services and information;
• Encourage and enable cooperation by the library with other community organizations, agencies and institutions;
• Assure that all library services, programs, materials, and facilities are secured at reasonable cost and do not unnecessarily duplicate similar activities within the library's jurisdiction; and
• Ensure that the library actively cooperates with other information agencies in the city, region and state and interacts with worldwide resource sharing activities.