N.M. Stat. § 27-6A-4
Low income assistance rates.
A utility may provide assistance in the form of reduced or subsidized rates to or on
behalf of those individuals who meet the eligibility criteria of one or more need-based
assistance programs administered by the department and who are not living in nursing
homes or intermediate care facilities or not living in circumstances that do not require
them to pay, directly or indirectly, for water, sewer or solid waste service.