Class Code 7272
Water Truck Service Companies
Class Code 7272 covers California businesses that operate water trucks used for dust suppression, soil compaction, road conditioning and related water-distribution tasks on construction, mining, landfill and public-works sites. The WCIRB-approved pure premium rate for 7272 is $11.605 per $100 of payroll. Accurate classification matters because drivers, truck attendants and mechanics face vehicle, fall and equipment hazards unique to tanker operations.
What Class Code 7272 Covers
This classification applies to firms that provide bulk water by tanker truck or operate mounted water trucks on job sites to control dust, wet down surfaces for compaction, support paving operations, clean streets or supply water for temporary construction needs. It covers single- and tandem-axle water trucks, truck-mounted tanks with spray bars, pumps and hoses, plus operations involving filling from hydrants, portable tanks or water sources. Included activities also cover routine truck servicing and on-site hose handling, traffic control while watering operations occur adjacent to active roadways, and maintenance work on pumps and valves. It does not generally include municipal water utility distribution mains work or dedicated fire apparatus and fire suppression services unless the employer's primary business is water-truck contracting.
Who It Applies To
- Construction contractors operating water trucks for dust control and compaction
- Aggregate, quarry and mining companies using water trucks for haul-road maintenance
- Landfill and recycling facilities that run water truck fleets
- Municipal public works or streets crews when operating tanker trucks for street cleaning or irrigation
- Specialty dust-control contractors and subcontractors supplying water services
- Water truck drivers, tanker attendants, and mechanics who maintain or service these vehicles
Common Job Duties
- Driving and maneuvering tanker trucks on roads, jobsite tracks and steep ramps
- Operating pumps, spray bars, nozzles and remote controls to apply water
- Filling tanks from hydrants, ponds or portable holding tanks and managing hoses
- Performing pre-trip inspections, routine maintenance and pump repairs
- Setting up traffic control, flagging and communicating with equipment operators
- Climbing tanks to inspect fittings, clean interiors or attach hose connections
- Recording hours, water usage and coordinating with site supervisors
Common Injury Risks
Understanding the $11.605 Rate
The WCIRB pure premium rate of $11.605 per $100 of payroll represents the estimated dollar amount needed to pay workers' compensation losses and loss adjustment expenses for every $100 in payroll for employees assigned to Class Code 7272. To compute the pure premium, divide total payroll for 7272 employees by 100 and multiply by 11.605; carriers then add expense loads, state assessments and apply experience modification factors to produce the final premium. Your actual cost will depend on payroll accuracy, your companys claims history (experience modifier), class splits, and underwriting adjustments such as credits for safety programs or high deductibles.
Cal/OSHA Compliance Requirements
Employers operating water trucks must maintain an effective Injury and Illness Prevention Program (IIPP) and comply with Cal/OSHA heat illness prevention rules for outdoor work. Vehicle and traffic safety controls, fall protection when employees access tank tops or ladders, lockout procedures for pump maintenance, and proper PPE for working near wet and slippery surfaces are required. When water trucks are used for silica or dust-control duties, employers must ensure those controls fit within Cal/OSHA dust and silica requirements and document compliance as part of the site-specific safety plan.
How Key HR Helps Employers Under Class Code 7272
A PEO like Key HR helps employers in Class Code 7272 by ensuring accurate classification and payroll reporting, managing claims and return-to-work programs to limit indemnity costs, and implementing targeted loss-control programs such as driver training, ladder/tank access procedures and hose-handling ergonomics. Key HR can also assist with Cal/OSHA program documentation (IIPP, heat illness prevention), safety audits, and negotiating better workers' comp pricing through pooled purchasing and demonstrated safety performance.
Get a QuoteFrequently Asked Questions
Who should I classify under 7272 versus another truck or contractor class?
Assign 7272 to employees whose primary duties are operating or servicing water trucks used for dust control, compaction or water distribution on jobsites. Drivers of general freight, fire apparatus, or municipal water system mainline employees belong in other class codes—classification should reflect the workers predominant payroll activity.
What practical steps reduce workers' comp costs for water truck operations?
Maintain accurate payroll records, enforce pre-trip inspections, deliver driver and hose-handling ergonomics training, institute a formal return-to-work program, and document site-specific safety plans (traffic control, fall protection and heat illness prevention). Proactive safety programs and prompt claims handling lower your experience modification and long-term premiums.
Does using water trucks for silica/dust control change regulatory obligations?
Yes. While water trucks are an engineering control for dust, employers must still comply with Cal/OSHA silica and dust-control requirements on applicable projects, verify that water application achieves the required control, and document monitoring, training and exposure controls in the project safety plan.
Quick Facts
- Class Code
- 7272
- Classification
- Water Truck Service Companies
- Pure Premium Rate
- $11.605 / $100 payroll
- Effective Date
- September 1, 2026
- Source
- WCIRB Approved Filing
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