N.M. Admin. Code § 20.7.3.202
Current through Register Vol. 35, No. 17, September 10, 2024
Section 20.7.3.202 - PROCEDURES; MODIFICATION OF EXISTING SYSTEMSA. Prior to the modification of an established on-site liquid waste system, a permit application must be submitted in accordance with 20.7.3.401-405 NMAC. The portion of the system requiring modification shall be in accordance with the current version of 20.7.3 NMAC except as noted in Subsections C and D of 20.7.3.202 NMAC below.B. Replacement components for on-site liquid waste systems shall be of materials approved by the department.C. On-site liquid waste systems modified after the effective date of this regulation: (1) shall meet the lot size requirements of the regulations in effect at the time of the initial installation or most recent permitted modification; and(2) the total lot flow shall be increased only if all current standards and requirements are met pursuant to 20.7.3 NMAC. More stringent requirements may be required pursuant to Subsection L of 20.7.3.201 NMAC.D. The septic tank need not be replaced as part of the modification if the tank is structurally sound, watertight, constructed of approved materials, is functioning properly and if the existing tank has a liquid capacity within one tank size of the capacity required by Subsection Q of 20.7.3.201 NMAC. In addition, the tank shall be pumped and the inlet and outlet baffles or sanitary tees checked and repaired or replaced, if needed.E. Upon modification of any part of the system, an approved effluent filter shall be installed in accordance with Subsection H of 20.7.3.502 NMAC and access risers shall be installed over the tank inlet and outlet access openings in accordance with Subsection D of 20.7.3.502 NMAC.F. Upon the issuance of the permit to modify and the subsequent inspection and approval of the modification, a previously unpermitted system shall be considered permitted and authorized to operate.N.M. Admin. Code § 20.7.3.202
20.7.3.202 NMAC - Rp, 20.7.3.202 NMAC, 9/1/13; A, 9/1/13