There shall be fifty percent reduction of water charges billed directly to low income senior citizens and low income disabled citizens who apply for such reduction pursuant to LMC 13.32.020 and 13.32.030. A senior citizen for the purposes of this section is defined as an applicant who is sixty-two years of age or older. A disabled citizen for purposes of this section is defined as an applicant who has been found to be currently disabled by the Social Security Administration or is a disabled veteran certified by the Veterans’ Administration as having a disability of at least forty percent. A low income applicant shall mean an applicant having a combined disposable income which is less than fifty percent of the median income for Thurston County for a household equal in the number of persons to that of the applicant. (Ord. 1241 §2, 2005; Ord. 959 §3, 1993; Ord. 829 §2, 1988; Ord. 581 §1, 1980; Ord. 557 §1, 1979).