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Disposal Rules

What Can Go in a Dumpster in St. Charles County

The working accepted and prohibited list for Wentzville and St. Charles County: what goes in a container without argument, what needs a second box, and what has to go somewhere else entirely.

By Cole Hart, Hart Brothers Dumpster Rental· Updated ·8 min read
What can go in a dumpster in St. Charles County, Missouri — container loaded with accepted household debris

The question comes in a dozen ways every week. Can I put the old deck boards in? What about the paint cans from the basement shelf? The pile of brush by the fence? The answer is usually yes, sometimes no, and occasionally “yes, but not in this container” — and the difference matters, because a load with the wrong thing buried in it becomes our problem at the scale and your problem on the invoice.

We have hauled out of Wentzville and across St. Charles County since 2015, and the list below is the one we actually work from. It is not a legal document. Landfill acceptance policies and county drop-off programmes change, so confirm the current rules with St. Charles County or your own municipality before you plan a big cleanout around them.

The short version

General construction and demolition debris, household junk and furniture are fine. Anything liquid, pressurised, toxic, infectious or containing asbestos is not. Yard waste is legal to generate and illegal to bury, so it travels on its own. Everything else is a detail.

What goes in without a second thought

The bulk of what we haul out of St. Charles County is ordinary construction and demolition debris, and there is very little argument about it:

  • Framing lumber, sheathing, trim and offcuts — the standard output of a basement finishing job in Wentzville.
  • Drywall and joint compound, whole sheets or scrap.
  • Pressure-treated deck lumber. This one surprises people. Treated boards, joists, posts and railings go in a standard C&D container without special handling. What you must never do is burn them.
  • Plaster and lath from the older stock around Pearce Boulevard, historic downtown Wentzville and Main Street in St. Charles — accepted, just brutally heavy at roughly two to three times drywall for the same volume.
  • Brick, block, concrete and mortar rubble, including egress window spoil. These belong in a small container on their own; see our concrete and heavy debris service for why.
  • Roofing — architectural shingle, underlayment, felt, flashing, and multi-layer tear-offs.
  • Flooring of every kind: carpet and pad, laminate, vinyl plank, sheet vinyl, hardwood, ceramic tile and thinset.
  • Cabinetry, countertops, vanities, interior doors and trim from a first-refresh kitchen or bath.
  • Furniture, appliances without refrigerant, toys, boxes, clothing and general household junk — the whole contents of a basement, in other words.

If your load is mostly items from that list, you are in the clear and the only real decision is which dumpster size you need.

Accepted, prohibited and where it actually goes

MaterialAccepted?Where it goes instead
Framing lumber, sheathing, trimYes
Pressure-treated deck boards, posts, railingYes— (never burn)
Drywall, plaster and lathYes
Brick, block, concrete, mortar rubbleYes, clean loadDedicated 10 yard heavy container
Shingles, felt, flashing (post–1980)Yes
Carpet, pad, laminate, tile, hardwoodYes
Cabinets, countertops, doors, furnitureYes
Grass, leaves, brush, branches, stumpsNo — banned from Missouri sanitary landfillsSeparate clean load to a composting or organics facility
Paint (wet), stain, solvent, thinnerNoCounty household hazardous waste drop-off
Motor oil, antifreeze, gasoline, dieselNoCounty HHW drop-off or an auto parts retailer that accepts used oil
Pesticides, herbicides, lawn chemicals, pool chemicalsNoCounty HHW drop-off
Propane tanks, aerosols, any pressurised cylinderNoHHW drop-off or a propane exchange dealer
Batteries — car, lithium, rechargeableNoHHW drop-off or a retail battery take-back
Medical sharps, biohazard, infectious wasteNoLicensed medical waste handler
Tires, on or off the rimNoTire retailer or a county scrap tire collection
Refrigerators, freezers, window AC, dehumidifiersNo, until evacuatedCertified appliance recycler for refrigerant recovery
Contaminated or petroleum-stained soilNoMissouri DNR–directed disposal
Asbestos-containing material, any formNeverLicensed abatement contractor, DNR notification
Railroad ties, creosote timberAsk firstOften a restricted or separate stream
Electronics, CRT televisions and monitorsAsk firstCounty or retail e-waste collection
Mattresses and box springsUsually yes, declare themOften handled and charged separately at the facility

Missouri bans yard waste from sanitary landfills. Grass, leaves, brush and branches cannot go in the ground under state law, which means they cannot go in a container headed to the landfill. They go to a composting or organics facility instead, as a separate clean load — not mixed in with the drywall and deck boards.

This trips up storm work more than anything else. After a straight-line wind event you have fence sections, soffit, shingles and a downed tree in the same yard, and the instinct is to fill one box with all of it. Do not. One container takes the building debris, another takes the wood. Our yard waste removal service exists precisely because the two streams cannot legally ride together, and the same split applies to storm and hail damage cleanup.

Be honest with yourself about the weight, too. Local tree debris here is oak, hickory, maple, sycamore, silver maple and Bradford pear. Green hardwood limb wood runs far heavier than people expect — a 15 yard box of fresh oak limbs is a serious tonnage, and a Bradford pear that split in a spring storm fills volume fast while still weighing plenty.

Prohibited outright

These do not go in any container we own, on any job, for any customer:

  • Liquids of any kind, including wet paint, stain and sealer.
  • Solvents, thinners, adhesives and strippers.
  • Gasoline, diesel, kerosene, motor oil, transmission fluid, brake fluid and antifreeze.
  • Pesticides, herbicides, fertiliser concentrate, pool chemicals.
  • Propane bottles, oxygen and acetylene cylinders, fire extinguishers, and full aerosol cans.
  • Batteries of all chemistries, and anything with a lithium cell in it.
  • Medical, biohazard and infectious waste, including sharps.
  • Tires.
  • Refrigerant-containing appliances until a certified tech has evacuated them.
  • Contaminated soil.
  • Asbestos-containing material in any form.

Asbestos and lead in pre-1980 houses

St. Charles County has plenty of older stock, and pre-1980 construction routinely carries asbestos in places nobody looks: 9x9 floor tile and the black mastic under it, pipe and duct wrap on old basement ductwork and boilers, plaster skim coats, cement siding and roofing felt. Basements are where it turns up here, because that is where the old ductwork and the original mechanical room live.

We cannot take asbestos-containing material in a container under any circumstance. If the house predates 1980 and you are opening up ductwork, pulling old tile or tearing off original roofing, stop and have it tested. Missouri DNR runs the state asbestos programme, and demolition work generally triggers a NESHAP inspection and notification even when no asbestos turns up. Abatement is a licensed contractor's job and produces its own regulated waste stream.

Pre-1978 houses also fall under the EPA Renovation, Repair and Painting rule for lead paint, which governs how a paid contractor disturbs painted surfaces. The EPA publishes the current requirements. These programmes are amended from time to time, so verify the rules that apply to your project before the first sawzall cut rather than after.

The basement garage-and-workshop problem

Nearly every house here has a full basement, and a good share of them have a workshop corner and a shelf of chemicals that has been accumulating since the Clinton administration. Half-used latex and oil paint. A jug of motor oil. Antifreeze. A gas can with two-year-old mower fuel in it. Weed killer, bug spray, driveway sealer, a car battery, a milk crate of aerosols. None of it belongs in a container.

It all goes to a St. Charles County household hazardous waste drop-off. One point worth stating plainly: PaintCare does not operate in Missouri. There is no retail paint take-back scheme here, so do not drive leftover cans to a paint store expecting them to be accepted. The county HHW programme is the route. Dried-out latex paint with no liquid left in the can is generally treated differently from wet paint, but confirm the current handling rules with the county before you count on it.

Sort that shelf before we deliver, not after. It is the single most common reason an estate cleanout stalls halfway through, and it is why our home cleanout checklist puts chemicals in step one.

Pull the scrap metal first

Before anything goes in the box, walk the basement and the garage for metal. An old furnace and water heater, sheet metal ductwork, steel shelving, a treadmill or weight set nobody has used since 2011, deck railings and joist hangers, cast iron radiators, copper and aluminium. Metal is dense, it eats your weight allowance, and it has value as scrap. Pulling it out is free money and a lighter load in the same motion. Our notes on recycling and disposal in St. Charles County go into where the streams separate.

Electronics and CRT televisions and monitors are a related case — ask before they go in, because e-waste is often routed separately. Mattresses and box springs are usually accepted but frequently handled and charged on their own at the facility, so declare them up front rather than burying them in the middle of a junk removal load.

Railroad ties and burning

Railroad ties and creosote-treated landscape timbers turn up constantly on the acreage west and south of town — New Melle, Defiance, Foristell, Flint Hill. Creosote is a restricted material at many facilities. Tell us how many you have and we will confirm the route before the truck rolls.

And burning is not the answer. Outdoor burning is restricted or outright banned in many St. Charles County municipalities, including inside city limits in Wentzville, and rules differ block to block between incorporated and unincorporated areas. Pressure-treated lumber and creosote timber must never be burned under any circumstance — burning them releases the preservative chemistry straight into the air and leaves contaminated ash behind. Check your municipality's current ordinance before you strike a match.

What happens if prohibited material shows up

At the scale, loads get looked at. When something prohibited is spotted, the outcomes run in this order: a handling or sorting charge added to the ticket; the load rejected and returned, which means a second haul and a second tip; and in the case of hazardous or asbestos-containing material, a regulatory referral with penalties that land on the waste generator — the property owner — not on the truck. There is no version of this where hiding a can of thinner under the drywall comes out ahead.

The fix is a two-minute conversation. Tell us what the job is, what the house is, and what is on the basement shelf, and we will tell you what goes in, what needs a second container and what needs a different destination entirely. That applies whether it is a demolition debris job on an old outbuilding or a straightforward garage clearout.

Not sure whether something on your list qualifies? Call Hart Brothers Dumpster Rental Wentzville at (636) 538-6201. Cole and Wes have been sorting out St. Charles County loads since 2015, and we would far rather answer the question before delivery than sort it out at the landfill. Flat-rate pricing, protection boards standard, same-day and next-day delivery across Wentzville, O'Fallon, St. Peters, Lake Saint Louis and the rest of the county — and a straight answer on what belongs in the box.

Questions this guide did not answer? Call (636) 538-6201. We would rather spend two minutes on the phone than have you order the wrong container.

Frequently Asked Questions

Can I put yard waste in a dumpster in St. Charles County?

Not in a mixed construction load. Missouri bans yard waste from sanitary landfills, so grass, leaves, brush and branches cannot be buried and cannot ride with drywall or deck boards. They go to a composting or organics facility as a separate clean load, which usually means a second container on storm and tree jobs. Local oak, hickory and maple limb wood is heavier than most people expect. Confirm current handling rules with the county before you plan around them.

Is pressure-treated deck lumber allowed in a roll-off?

Yes. Treated deck boards, joists, posts and railings go into a standard construction and demolition container with no special handling, which is good news for the wave of 1990s decks now reaching end of life across Wentzville. The one absolute rule is that treated lumber must never be burned, on site or anywhere else, because burning releases the preservative chemistry and leaves contaminated ash. Pull the metal hangers and railing brackets for scrap first.

What do I do with old paint and chemicals from the basement?

Take them to a St. Charles County household hazardous waste drop-off. Wet paint, stain, solvent, motor oil, antifreeze, mower fuel, lawn and pool chemicals, batteries and aerosols cannot go in any container. Note that PaintCare does not operate in Missouri, so there is no retail paint take-back here and a paint store will not accept your leftovers. Drop-off schedules and accepted items change, so check with the county before loading the truck.

What happens if something prohibited ends up in my dumpster?

It gets caught at the scale. Depending on what it is, you can see a handling or sorting charge added to the ticket, the whole load rejected and hauled back, which means paying a second haul and a second tip, or a regulatory referral with penalties. For hazardous and asbestos-containing material the liability follows the waste generator, meaning the property owner. Declaring it up front is always cheaper than hiding it.

How do I know if my house has asbestos before demolition?

Have it tested. Pre-1980 houses in this area routinely carry asbestos in floor tile and mastic, pipe and duct wrap on basement ductwork and boilers, plaster skim coats, siding and roofing felt. We cannot take asbestos-containing material in any container. Missouri DNR runs the state asbestos programme and demolition generally triggers a NESHAP inspection and notification. Requirements change, so confirm the current process with DNR before work starts.

Helpful Local Resources

Useful official sources for permits, disposal rules and recycling in Wentzville and St. Charles County. We keep these handy because half the questions we get are really questions for one of these offices.

  • City of WentzvilleRight-of-way and building permits, demolition permits, and city solid waste and brush collection information.
  • St. Charles CountyCounty permits outside the municipalities, household hazardous waste drop-offs, and recycling and disposal programmes.
  • Missouri DNRState solid waste rules including the yard waste landfill ban, the asbestos programme and demolition notification.
  • Missouri DHSSLead poisoning prevention and public health guidance for renovation work in older housing.
  • MoDOTPermit requirements for work or containers affecting a state route such as I-70, US-61 or the lettered highways.
  • Missouri 811Free utility locates before you dig, demolish or set a container over a buried service line.
  • Missouri SEMASevere weather preparedness, declared-event guidance and post-storm information for eastern Missouri.
  • US EPAFederal guidance on the RRP lead-paint rule, asbestos NESHAP, and construction and demolition debris recovery.

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