N.M. Admin. Code § 20.7.3.601

Current through Register Vol. 35, No. 21, November 5, 2024

Section 20.7.3.601 - DESIGN; ADVANCED TREATMENT SYSTEMS; GENERAL

A. The level of treatment required and the type of disposal allowed shall be determined by the site evaluation and the character of the waste to be treated and disposed using 20.3.7.605 NMAC. A liquid waste system with an approved non-discharging disposal design may be installed in lieu of the required advanced treatment system.

B. Prior to installation, all proprietary treatment systems proposed for secondary or tertiary treatment must be capable of meeting the performance standards of 20.7.3.602-604 NMAC, must be recommended for approval by the wastewater technical advisory committee and approved by the secretary of the department. Manufacturers of advanced treatment systems must comply with all conditions set by the department.

C. Any design of a conventional or advanced treatment system with site or other limiting conditions that cannot be addressed by following a standard design from alternative resources recognized by the department shall be designed and sealed by a professional engineer.

D. Ventilation of treatment units providing advanced treatment shall be in accordance with the manufacturer's recommendation.

E. If an adequate sampling port or sampling point is not provided in the design of an advanced treatment system, the installer shall provide an acceptable sampling port in the effluent line for the treatment unit. The installer may propose a sampling port configuration.

(1) An acceptable sampling port for a residential unit may be manufactured from an eight inch diameter pipe. The sample port shall be watertight. The water depth in the pipe shall be at least four inches. The outlet will be one inch lower than the inlet.

(2) If there are significant settled solids in the sampling well, the sampler shall clean out the sampling port. The sample can be collected either from the influent overflow or from the water collected in the sample port after cleaning.

N.M. Admin. Code § 20.7.3.601

20.7.3.601 NMAC - Rp, 20.7.3.601 NMAC, 9/1/13