Chester Public Utility District. P.O. Box 503. 251 Chester Airport Rd. Chester, California 96020. (530) 258-2171 Fax (530) 258-2960. JOB DESCRIPTION. MAINTENANCE WORKER / METER READER. DEFINITION. Under general supervision, does a variety of semi-skilled work in the construction, installation and maintenance of the District’s water and wastewater facilities and services. general house and grounds keeping. does related work as required. EXAMPLES O...