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UT
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Grease Trap Pumping in Utah

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.

Utah Regulations for Grease Trap Pumping

Utah septic systems are regulated by the Utah Division of Water Quality (DWQ) under the Utah Department of Environmental Quality (UDEQ). Rules are codified in the Utah Administrative Code R317-4 (Onsite Wastewater Systems). County health departments serve as the primary permitting authority and conduct inspections. New installations require a site evaluation, soil profile, and percolation test. Systems within 200 feet of surface water or in sensitive groundwater recharge zones require advanced treatment. The Wasatch Front and rural counties each apply the state baseline with varying local supplements. Bedrock proximity in canyon communities often requires engineered mound or drip-irrigation systems.

Licensing Requirements

Installers must hold a Utah Onsite Wastewater System Installer license issued by the Utah Division of Occupational and Professional Licensing (DOPL). Pumpers require a solid or liquid waste hauler license from UDEQ and must dispose of septage at approved facilities.

Environmental Considerations

Utah soils vary dramatically from alkaline desert caliche and clay soils in the Wasatch Front valley floors to well-drained alluvial soils along river benches and rocky decomposed granite in the Wasatch and Uinta mountains. High alkalinity and calcrete layers can interfere with absorption. Shallow bedrock in canyon communities, combined with limited rainfall, makes leach field sizing critical. The Great Salt Lake watershed requires extra nitrogen safeguards.

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 Utah

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.

Find Grease Trap Pumping in Utah Cities

Browse 2 cities in Utah for grease trap pumping providers.

Provo, UT Pop. 115,264
Salt Lake City, UT Pop. 199,723

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