Commercial Auto Insurance
for Septic Pump Trucks.
Your vacuum truck is the most expensive thing you put on the road and the likeliest source of a serious claim. Here is what the standard policy covers, and the one thing it quietly does not.
We shop your septic business with carriers like
What a septic fleet policy needs to contain
The coverage parts are standard. What varies, and what we actually check, are the symbols and the pollution endorsement.
- Liability for bodily injury and property damage you cause with a covered auto
- Physical damage on the trucks themselves, comprehensive and collision
- Hired and non-owned exposure, where symbols 8 and 9 are on the declarations
- Medical payments and uninsured or underinsured motorist coverage, depending on state and election
- Spills of the hauled load, only where CA 99 48 or equivalent has been added
- The septage itself when it spills, under the unendorsed base form
- Cleanup costs for that spilled load, which are carved out on identical terms
- A release at the customer’s property during pumping, which is an operations exposure
- Tools and equipment carried in the truck, which belong under inland marine
- Injury to your own driver, which is a workers compensation claim
The Septic Cleaning Insurance Group Policy Review
We read the whole policy
Before we quote anything we read what you already have, cover to cover, and tell you plainly what it does and does not do.
We map your actual operation
Pumping, installation, hauling, grease trap, portable units: each one underwrites differently. We classify what you really do, not a generic contractor code.
We shop carriers who understand septic risk
Standard markets when they fit, specialty and E&S markets when they do not. If a carrier does not understand pollution exposure, we do not use them.
We explain the quote in plain language
You get the number, the limits, the exclusions that matter, and the reasoning. No pass-through, no blind binding.
What we check on a pumper’s auto policy
Whether CA 99 48 or an equivalent is actually attached
This is the first thing we look for on any account that hauls. Most policies we review do not have it, and the owners have never been told.
Which symbols are on the declarations
Specifically whether symbol 9 is present, and whether a symbol 7 schedule has fallen behind the actual fleet.
Whether newly acquired trucks are covered
Because the answer depends entirely on the symbol, and buying a truck mid-season is normal in this trade.
Whether the limit makes sense for the weight
A loaded tanker in a multi-vehicle accident produces claims that state minimum limits were never designed to absorb.
Your tanker rolls. The diesel is covered. The load is not.
This is the single most important sentence in a septic company’s auto policy, and it is almost never explained at the point of sale.
Business Auto, Pollution exclusion 11
The standard form excludes injury or damage “arising out of the actual, alleged or threatened discharge, dispersal, seepage, migration, release or escape of ‘pollutants’… being transported or towed by, handled, or handled for movement into, onto or from, the covered ‘auto’… or being stored, disposed of, treated or processed in or upon the covered ‘auto’.” The form defines pollutants to include waste. Three thousand gallons of septage on the roadway is the excluded thing.
The one carve-back is the truck’s own fluids
The exclusion does not apply to “fuels, lubricants, fluids, exhaust gases or other similar ‘pollutants’ that are needed for or result from the normal electrical, hydraulic or mechanical functioning of the covered ‘auto’.” Diesel from a ruptured saddle tank is covered. The barrel contents are not.
Cleanup costs are excluded on the same terms
The form’s definition of covered pollution cost or expense carries the identical carve-out, so a government cleanup order for the spilled load sits outside the policy too.
There is an endorsement that fixes it
ISO form CA 99 48, Pollution Liability Broadened Coverage For Covered Autos, narrows the pollution exclusion so it “applies only to liability assumed under a contract or agreement,” and replaces the cleanup-cost definition so the in-transit carve-out disappears. In plain terms it buys back the load while it is on the truck.
What that endorsement still will not do
CA 99 48 is an auto fix for a spill from the vehicle. It does not reach a spill at the customer’s property from hose or tank work, and it is not site pollution coverage. That exposure belongs under contractors pollution liability, and the two are complementary rather than interchangeable.
The numbered symbols decide which vehicles are covered
Commercial auto does not simply cover “your vehicles.” It covers whichever categories the symbols on your declarations say it does, and the gaps are usually invisible until a claim.
Symbol 1, any auto
The broadest grant. Covers owned, hired and non-owned autos together for liability.
Symbol 2 and symbol 7, owned or specifically described
Symbol 2 covers “only those ‘autos’ you own,” including ones you acquire after the policy begins. Symbol 7 is narrower still: only the vehicles listed in Item Three of the declarations with a premium shown. Buy a truck mid-term on a symbol 7 policy and forget to schedule it, and it is simply not covered.
Symbol 8, hired autos
“Only those ‘autos’ you lease, hire, rent or borrow,” and it expressly excludes vehicles rented or borrowed from your own employees or members of their households.
Symbol 9, non-owned autos, the one septic companies miss
Covers “autos’ you do not own, lease, hire, rent or borrow that are used in connection with your business,” including vehicles “owned by your ‘employees’… but only while used in your business.” If a technician takes a personal pickup to a service call, their personal policy is primary and your business is exposed above it unless symbol 9 or symbol 1 is on your declarations.
Two different thresholds that get confused constantly
A loaded vacuum truck usually clears both, but they are separate rules doing separate jobs.
- 10,001 lbs gross vehicle or combination weight rating triggers the USDOT number requirement for vehicles in interstate commerce
- Many states additionally require a USDOT number of intrastate registrants, so an in-state-only pumper can still need one depending on where it operates
- 26,001 lbs gross vehicle or combination weight rating is the commercial driver licence threshold under 49 CFR 383.5, which also defines the Group A, B and C licence classes
- A typical 2,500 to 4,000 gallon vacuum truck clears both thresholds comfortably once loaded
- Federal financial responsibility minimums under 49 CFR 387.9 do not attach to a local intrastate septage hauler. The $750,000 figure applies to for-hire interstate carriage of non-hazardous property
- Only the hazardous-material rows of that table extend into intrastate commerce, and septage is not a hazardous material
- Your minimum limits therefore come from state financial responsibility law and from your contracts, which vary, rather than from a federal number
- Hauling septage does not by itself make you a hazmat carrier
On MCS-90, which comes up often: it is a federal endorsement tied to for-hire interstate motor carrier authority, not to septage itself. Domestic septage is defined by EPA as material from works receiving only domestic sewage, and it is neither a listed hazardous substance nor a hazardous waste under the transport rules, so the hazardous-materials route into those federal requirements does not apply to routine septage hauling.
Sources: 49 CFR 383.5 (CDL definitions), 49 CFR 171.8 (hazardous substance / waste definitions), 40 CFR 503.9 (domestic septage), 49 CFR 387.9 (financial responsibility minimums)
Three rating dimensions, and a tanker scores worse on all of them
Commercial auto rates on size, use and radius. A vacuum truck is in a different cell from the pickup carrying tools, and understanding why is the first step to arguing about it.
Size class is set by gross vehicle weight
Filed rating manuals separate light trucks at 10,000 pounds or less, medium at 10,001 to 20,000, heavy at 20,001 to 45,000, and extra heavy above 45,000. A loaded vacuum truck lands in heavy or extra heavy while the service pickup stays light.
Use class is where septage haulers often get reclassified
Service use means transporting “the insured’s personnel, tools, equipment, and incidental supplies to or from a job location.” Commercial use covers vehicles “used for transporting property” that are not service or retail. A truck carrying a load of septage to a treatment plant is arguably transporting property, which is a higher factor than the pickup carrying tools.
Radius class reflects how far you run
Local up to 50 miles, intermediate 51 to 200, long distance beyond that. Disposal site distance can quietly push a pumper out of the local band.
The factors compound
In one filed residual-market manual, a light truck in service use on a local radius carries a factor of 1.00 while a heavy truck in the same use and radius carries 1.10, before any use-class change is applied. These are one state’s filed residual-market figures rather than a national rate, but the structure is standard.
Underwriters who’ve actually walked a septic job site
Septic Cleaning Insurance Group
We built this agency around one gap we kept seeing: big-box commercial insurers write septic contractor policies the same way they write policies for any other trade, missing the environmental and pollution exposure that actually matters in this business. Our team goes deep on septic-specific risk before recommending coverage, maintains relationships with carriers who understand pumping, installation, and disposal operations specifically, and keeps specialty and E&S markets in reserve for the accounts standard carriers will not touch.
Straight answers, no insurance-speak
Not under a standard business auto form. The pollution exclusion removes damage from the discharge of pollutants being transported by or stored in the covered auto, and the form defines pollutants to include waste. The diesel from the truck’s own fuel tank is carved back in and covered. The septage in the barrel is not. ISO endorsement CA 99 48 buys that exposure back, and whether you have it is the first thing we check on a pumper’s policy.
Not because of the septage. MCS-90 is tied to for-hire interstate motor carrier authority. Domestic septage is defined by EPA as material from a system receiving only domestic sewage, and it is not a listed hazardous substance or a hazardous waste under the transport rules, so the hazardous materials route into those federal requirements does not apply. If you operate for hire across state lines, that is a separate question about your authority rather than about your cargo.
26,001 pounds gross vehicle weight rating, or gross combination weight rating where a towed unit over 10,000 pounds is involved. A loaded vacuum truck generally clears that. The USDOT number threshold is a different and lower one at 10,001 pounds for interstate operation, and many states apply it to intrastate registrants as well.
Only if your declarations include symbol 9 or symbol 1. Symbol 9 covers autos you do not own that are used in your business, including employee-owned vehicles while used for you. Without it, the employee’s personal policy is primary and your business is exposed above that limit on a vicarious liability claim.
It depends on your symbols. Symbol 2 includes autos you acquire ownership of after the policy begins. Symbol 7 covers only vehicles specifically listed on the declarations with a premium shown, so a newly bought truck is not covered until it is scheduled. This is one of the most common gaps we find.
Weight class, use class and radius all move against you. A loaded tanker sits in a heavier size class, is arguably transporting property rather than tools, and if your disposal site is far enough away you can leave the local radius band as well. Those factors multiply rather than add.
No, and neither does the auto pollution endorsement. CA 99 48 addresses spills from the covered auto. A release during pumping at the property is an operations exposure and belongs under contractors pollution liability.
Federal minimums do not apply to a local intrastate pumper, so the real drivers are your state’s financial responsibility law and whatever your contracts require. Given what a loaded tanker weighs and what it is carrying, we usually talk about limits well above a state minimum and about whether an umbrella sits over them.
Get Your Commercial Auto Septic Insurance Quote
A few quick questions about your operation. Takes about 2 minutes. Prefer to talk first? Call (855) 461-2010.
Does your auto policy cover the load, or just the truck?
Send us the declarations page. We will tell you in a few minutes whether the pollution endorsement is there.
No pressure. If we’re not the right fit for your business, we’ll tell you straight.
What this coverage actually costs
Filed loss costs and rating factors for septic operations, not invented averages.
Septic contractor insurance in your state
Vehicle and licensing rules change at every state line. Pick yours.