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Grease Trap Pumping in Nevada

Avg. $200 - $800 · Every 1-3 months for restaurants

2
Cities
$200 - $800
Avg. Cost

Grease trap pumping is a critical maintenance service for restaurants, commercial kitchens, food processing facilities, and any business that discharges fats, oils, and grease (FOG) into its wastewater. Grease traps (also called grease interceptors) capture FOG before it enters the sewer system or septic tank, where it would cause devastating clogs and backups. Local health codes and environmental regulations typically require grease traps to be pumped when the combined grease and solids layer reaches 25% of the trap's capacity — for busy restaurants, this often means pumping every 1 to 3 months. During service, a vacuum truck removes all contents from the trap, including the floating grease layer, settled food solids, and wastewater. The technician will scrape the trap walls, inspect baffles and flow restrictors, and verify the trap is functioning correctly before refilling with clean water. Failure to maintain grease traps can result in sewer backups, foul odors, health department citations, fines of $1,000 or more per violation, and even forced closure. Many jurisdictions require businesses to maintain a pumping log and produce records during health inspections. Professional grease trap services often include manifesting and proper disposal of collected waste at approved facilities.

Nevada Regulations for Grease Trap Pumping

Nevada regulates individual sewage disposal systems through the Nevada Division of Environmental Protection's Bureau of Safe Drinking Water (BSDW) under NAC 444.700 through 444.842 (Sewage Disposal Systems) and through the Nevada Division of Public and Behavioral Health (DPBH) for certain county programs. County health districts, including the Southern Nevada Health District (Clark County) and Washoe County Health District, administer permits under state oversight. A site evaluation must precede permit issuance, assessing soil percolation rate, depth to seasonal high groundwater, caliche and hardpan layers, and setback compliance. Required setbacks include 100 feet from water supply wells, 50 feet from surface water, and 5 feet from property lines. Nevada's arid climate with less than 7 inches of annual precipitation in Las Vegas means drainfield effluent evaporation contributes to system function but also concentrates salts in soil. The state's highly variable soils—from dense caliche hardpan in southern Nevada to sand and gravel desert soils—require site-specific design. Alternative systems including drip irrigation, mound systems, and evapotranspiration systems are used in challenging soil conditions. Inspections at time of property transfer are required in some jurisdictions.

Licensing Requirements

Nevada requires septic system designers to hold a Professional Engineer (PE) license or be a registered Environmental Health Specialist authorized by DPBH. Installers must hold a Nevada contractor's license (Class B-08 Plumbing and Heating or Class C-14 Sewage and Warm Air Heating) from the Nevada State Contractors Board. Pumpers must be licensed and comply with county septage disposal requirements. In Clark County, all onsite system work is administered through the Southern Nevada Health District's licensing program. PE renewal requires 30 professional development hours every two years. DPBH may require additional credentials for systems serving sensitive groundwater zones.

Environmental Considerations

Nevada's Basin and Range geology creates isolated groundwater basins where contamination from septic systems can have disproportionate impacts due to limited aquifer recharge. The Las Vegas Valley's primary aquifer, the Las Vegas Valley Groundwater Basin, is already under stress from over-pumping, making septic system nitrogen and pathogen loading a concern. Caliche hardpan, common throughout southern Nevada at depths of 6 to 36 inches, can completely prevent vertical drainage, requiring mechanical breaking, importation of permeable fill, or engineered alternative systems. The Truckee Meadows (Reno-Sparno area) has a shallow water table in low-lying areas connected to the Truckee River, a tributary of sensitive Pyramid Lake. Nevada receives less than 10 inches of annual precipitation statewide, which limits natural soil biological treatment activity and can cause effluent to migrate laterally rather than vertically.

Signs You Need Grease Trap Pumping

  • Slow drains in the kitchen, especially floor drains and sink drains
  • Foul odors coming from drains or the grease trap area
  • Grease visible in the trap when the lid is opened
  • Health department notice or citation for trap maintenance
  • Grease backup into sinks or onto the floor
  • It has been more than 90 days since the last pumping

The Grease Trap Pumping Process

  1. 1 Access the grease trap and remove the lid for inspection
  2. 2 Measure the grease and solids accumulation levels
  3. 3 Pump out all contents — grease, solids, and wastewater — with a vacuum truck
  4. 4 Scrape trap walls, baffles, and lid to remove adhered grease
  5. 5 Inspect baffles, flow control devices, and trap integrity
  6. 6 Refill with clean water, document the service, and provide compliance records

Frequently Asked Questions — Grease Trap Pumping in Nevada

How often does a grease trap need to be pumped?
The industry standard is the 25% rule: pump when combined grease and solids reach 25% of trap capacity. For most restaurants, this means every 1-4 weeks for small under-sink traps (20-50 gallons) and every 1-3 months for large exterior interceptors (1,000-2,000 gallons). Many jurisdictions mandate pumping at least every 90 days regardless of accumulation levels.
How much does grease trap pumping cost?
Costs depend on trap size: small under-sink traps (20-50 gallons) cost $75-$250 per pumping, medium exterior traps (200-500 gallons) cost $150-$400, and large interceptors (1,000-2,000 gallons) cost $300-$800. Scheduled service contracts reduce per-visit cost by 20-35% compared to on-demand calls. Annual grease trap maintenance for a typical restaurant runs $2,000-$6,000.
What happens if I do not pump my grease trap?
Neglected grease traps cause sewer line blockages, foul odors, health department citations ($250-$10,000 per violation), potential temporary closure orders for repeat violations, and sewage backups into your kitchen. For restaurants on septic systems, grease entering the tank causes accelerated scum buildup, outlet blockage, and premature drain field failure ($10,000-$25,000 to replace).
Do I need a grease trap if my restaurant is on septic?
Absolutely — and sizing should be more generous than minimum requirements. Grease that bypasses or overwhelms the trap enters your septic tank, where it accumulates faster than bacteria can break it down. This leads to scum layer buildup, blocked baffles, and grease reaching the drain field where it permanently clogs soil pores. Restaurants on septic should also pump their septic tank annually rather than the standard 3-5 years.

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