| General Provisions |
| NAC 444.750. Definitions. |
| NAC 444.7502. “Absorption trench” defined. |
| NAC 444.7503. “Accessory structure” defined. |
| NAC 444.7504. “Administrative authority” defined. |
| NAC 444.7506. “Aerobic wastewater treatment unit” defined. |
| NAC 444.7508. “Aggregate” defined. |
| NAC 444.751. “Alternative absorption system” defined. |
| NAC 444.7512. “Alternative treatment system” defined. |
| NAC 444.7514. “Approved method of sewage disposal” defined. |
| NAC 444.7516. “Approved service provider” defined. |
| NAC 444.7522. “Backflow” defined. |
| NAC 444.7524. “Basal area” defined. |
| NAC 444.7525. “Bathroom unit” defined. |
| NAC 444.7528. “Building drain” defined. |
| NAC 444.753. “Building sewer” defined. |
| NAC 444.7536. “Capping fill trench” defined. |
| NAC 444.754. “Cesspool” defined. |
| NAC 444.755. “Commercial system” defined. |
| NAC 444.758. “Distribution box” defined. |
| NAC 444.759. “Domestic sewage” defined. |
| NAC 444.760. “Dosing tank” defined. |
| NAC 444.7603. “Drainage channel” defined. |
| NAC 444.7606. “Effluent” defined. |
| NAC 444.7608. “Elevated mound system” defined. |
| NAC 444.761. “Engineer” defined. |
| NAC 444.7616. “Graywater” defined. |
| NAC 444.762. “Health authority” defined. |
| NAC 444.7624. “Holding tank” defined. |
| NAC 444.763. “Impervious soil” defined. |
| NAC 444.764. “Individual sewage disposal system” defined. |
| NAC 444.7642. “Irrigation ditch” defined. |
| NAC 444.7644. “Kitchen unit” defined. |
| NAC 444.7646. “Lot” defined. |
| NAC 444.765. “Multiple-dwelling structure” defined. |
| NAC 444.7652. “Nitrogen removal wastewater treatment unit” defined. |
| NAC 444.7654. “Nonsewered toilet” defined. |
| NAC 444.7656. “Percolation rate” defined. |
| NAC 444.7658. “Percolation test” defined. |
| NAC 444.766. “Person” defined. |
| NAC 444.7664. “Potable water” defined. |
| NAC 444.7666. “Pressure distribution system” defined. |
| NAC 444.7668. “Primary treatment unit” defined. |
| NAC 444.767. “Residential system” defined. |
| NAC 444.768. “Septic tank” defined. |
| NAC 444.770. “Septic tank pumping contractor” defined. |
| NAC 444.772. “Sewage” defined. |
| NAC 444.775. “Single-family dwelling” defined. |
| NAC 444.776. “Soil absorption system” defined. |
| NAC 444.7764. “Special event” defined. |
| NAC 444.777. “Watercourse” defined. |
| NAC 444.7772. “Water table” defined. |
| NAC 444.778. Purpose. |
| NAC 444.780. Interpretation. |
| NAC 444.782. Severability. |
| NAC 444.7825. Adoption by reference of certain publications; revision of certain publications after adoption. |
| NAC 444.783. Approval of alternate methods of compliance. |
| Individual Sewage Disposal Systems |
| NAC 444.784. Permits: Approval for new construction required; request for approval; nature and duration. |
| NAC 444.786. Permits: Denials; procedure for review of actions taken by health authority; appeals; validity and extension. |
| NAC 444.788. Inspections. |
| NAC 444.790. Lot size. |
| NAC 444.792. Location. |
| NAC 444.794. Slope requirements. |
| NAC 444.796. Performance of percolation test by property owner; verification of certain data by engineer. |
| NAC 444.7962. Determination of appropriate percolation test procedure. |
| NAC 444.7964. Fast percolation test procedure. |
| NAC 444.7966. Presoaking procedure for slow percolation test. |
| NAC 444.7968. Slow percolation test procedure. |
| NAC 444.797. Sample form for percolation test. |
| NAC 444.7972. Sample log for profile of soil. |
| NAC 444.798. Approved cleanout; building sewer. |
| NAC 444.804. Construction of septic tank. |
| NAC 444.806. Precast septic tanks. |
| NAC 444.808. Built-in-place septic tanks. |
| NAC 444.810. Coated steel septic tanks. |
| NAC 444.815. Plumbing accessory structure into system serving single-family dwelling. |
| NAC 444.818. Limitations and site requirements. |
| Septic Tank Pumping Contractors |
| NAC 444.820. General requirements for and restrictions on operation. |
| NAC 444.821. Permit: Contents; validity and transferability. |
| NAC 444.822. Permit: Conditions that require amendment. |
| NAC 444.823. Permit: Renewal. |
| NAC 444.824. Recordkeeping requirements. |
| Nonsewered Toilets |
| NAC 444.825. Toilet facilities for special events. |
| NAC 444.826. General requirements. |
| Fees |
| NAC 444.828. Schedule of fees. |
| Discharge and Treatment of Liquid Waste and Wastewater |
| NAC 444.8301. General requirements for primary treatment unit; use of alternative treatment system. |
| NAC 444.8302. Plans for commercial systems to be submitted for review. |
| NAC 444.8304. General requirements for septic tank used as primary treatment unit or with alternative treatment system. |
| NAC 444.8306. Capacity of septic tank serving single-family dwelling. |
| NAC 444.8314. Aerobic wastewater treatment unit: Maintenance; repair or replacement; required use. |
| NAC 444.8316. Aerobic wastewater treatment unit: Approval required; design criteria; limitations on use; manual of operation and maintenance. |
| NAC 444.8318. Aerobic wastewater treatment unit: Inspection. |
| NAC 444.8321. Nitrogen removal wastewater treatment unit: Maintenance; repair or replacement; required use; regulatory oversight program. |
| NAC 444.8322. Nitrogen removal wastewater treatment unit: Approval required; design criteria; limitations on use; manual of operation and maintenance. |
| NAC 444.8324. Nitrogen removal wastewater treatment unit: Inspection. |
| NAC 444.8326. Dosing tank: General requirements. |
| NAC 444.8328. Dosing tank: Design criteria. |
| NAC 444.833. Distribution box: General requirement; design criteria. |
| Absorption and Treatment of Effluent |
| NAC 444.835. Soil absorption system: General requirements. |
| NAC 444.8352. Absorption trench system: General requirements; design calculations. |
| NAC 444.8354. Absorption trench system: Design criteria. |
| NAC 444.8356. Absorption trench system: Inspections. |
| NAC 444.8358. Absorption bed: General requirements. |
| NAC 444.8361. Absorption bed: Design criteria. |
| NAC 444.8362. Absorption bed: Inspections. |
| NAC 444.8364. Chamber system: General requirements. |
| NAC 444.8366. Chamber system: Design criteria. |
| NAC 444.8368. Chamber system: Inspections. |
| NAC 444.837. System utilizing graywater for underground irrigation: General requirements. |
| NAC 444.8372. System utilizing graywater for underground irrigation: Application to construct, alter or install system; design criteria. |
| NAC 444.8374. Alternative absorption system: General requirements. |
| NAC 444.8376. Stepped network of trenches utilizing relief lines: General requirements. |
| NAC 444.8378. Stepped network of trenches utilizing relief lines: Design criteria. |
| NAC 444.8381. Stepped network of trenches utilizing relief lines: Inspections. |
| NAC 444.8382. Capping fill trench: General requirements. |
| NAC 444.8384. Capping fill trench: Design criteria. |
| NAC 444.8386. Capping fill trench: Inspections. |
| NAC 444.8388. Elevated mound system: General requirements. |
| NAC 444.839. Elevated mound system: Design criteria. |
| NAC 444.8392. Elevated mound system: Inspections. |
| NAC 444.8394. Pressure distribution system: General requirements. |
| NAC 444.8396. Pressure distribution system: Design criteria. |