on August 13, 2026

What to Do With Dog Poop: Bin It, Flush It, Compost It?

Quick answer: bag it and put it in the trash. That works in every city, on every street, with no asterisks. Everything else on this list is either situational, regional, or a myth your neighbour repeats with total confidence.

Since you searched this, you get the full tour, including honest verdicts on the options that sound greener than they actually are.

The short version

Six ways to get rid of it, ranked honestly

Method Verdict The catch
Bag it, bin it Works everywhere Seal the bag. Not the recycling bin.
Flush it, no bag Depends on your city Cities genuinely disagree. Check your utility.
Municipal green bin Depends on your city Toronto takes it. Seattle bans it outright.
Buried digester Mixed at best Fussy about soil, water table and cold.
Home compost or garden bed No Home piles never get hot enough.
Leave it, "it's fertilizer" No It is not fertilizer. It never was.

Sources listed at the end. Local rules always win.

Option 1: Bag it and bin it

The default, and the one no city will argue with. The City of San Diego's stormwater guidance puts it in one line: "Seal dog or cat poop in a plastic bag and throw it in the trash." That is roughly what every municipal handout says, because it works in an apartment, on a trail, and in your own back yard.

Please do not put poop bags in the recycling bin. The people at the sorting facility have seen things.

Pro move: use a bag thick enough that structural integrity never crosses your mind on the walk home. That low grade dread of a thin bag is the entire reason we started making ultra thick ones.

Option 2: Flushing, which is real but genuinely local

This is where the internet is confidently wrong in both directions.

A pet waste brochure published in the EPA's nonpoint source outreach toolbox tells owners to "flush your pet's waste down the toilet, so it can be treated at a sewage treatment plant." Seattle Public Utilities agrees on its own pet waste page: "Dog poop can be flushed (without a bag!), but cat litter and poop must always go in the trash."

Now drive an hour north. Snohomish County tells its residents the exact opposite: "Municipal sewer systems in Snohomish County are not designed for pet waste. Only human waste and toilet paper should be flushed." San Diego goes further still and tells owners to keep dog and cat poop out of sewer systems entirely.

All three are real government sources, and they disagree because sewer infrastructure is local. So flushing is a perfectly good option if your utility says so and a bad one if it does not. Check your water utility's website, not a blog. Including this one.

Two rules hold everywhere: never flush the bag, even one labelled flushable, and never flush cat waste.

Option 3: If you are on septic, do not flush it

Septic tanks are sized for the household that lives there. Snohomish County notes that flushing pet waste "can exceed the design capacity of the septic system," and that "high volumes of hair and ash, not normally found in human waste, can interfere with septic system functions and clog drain fields."

A drain field repair costs considerably more than a year of bags. Bin it.

Option 4: Home compost and garden beds

Tempting, and no. Snohomish County's guidance is the clearest explanation we have found: "Most home compost piles don't reach temperatures sufficient to kill many hazardous pathogens. Extended exposure at 140 degree temperatures is required to kill E. coli and Salmonella." It adds that roundworms can survive four years in soil, and that yard waste carts are no better, because commercial yard waste processors do not run hot enough either.

So never on anything you plan to eat, and honestly, never in the flower bed either.

While we are here: it is not fertilizer. Cow manure works because cows eat grass. Dogs eat a high protein diet, which makes their waste acidic and pathogen rich. The EPA toolbox brochure does not hedge: "Pick up pet waste from your yard. It is not a fertilizer."

Option 5: Pet waste digesters

These are the buried in ground units you feed with an enzyme powder. They can work, but Snohomish County is blunt about the limits: manufacturer literature "indicates that they do not function properly where water tables are high, in low temperatures, and in some soil types," and performance drops with high ash dog foods. The county's summary is that they "essentially function like broken septic systems."

Budget wise, the county puts the device at roughly $35 to $100 plus about $30 for digester supply, with maintenance as often as every few days. If that sounds like a fun weekend project, go for it, you absolute legend. If it sounds like homework, see Option 1.

Option 6: Municipal composting, if you are lucky

The gap between cities here is wide. Toronto's Green Bin explicitly accepts "pet waste (animal droppings, clay and wood pellet cat litter, cage bedding)," and tells residents any plastic bag is fine.

Seattle is the mirror image. Its utility says pet waste "should always go in the trash regardless of what kind of bag is used" and calls it "a leading source of contamination in the compost stream." Seattle even recommends bags that are not brown or green, so nobody mistakes them for compostable. That detail tells you how often this goes wrong.

The realistic routine

Bag it with a bag you trust, tie it, bin it. Keep a dispenser on the leash so you are never caught empty handed, and keep enough rolls at home that "we ran out" is never the reason you became the neighbourhood villain.

Not sure how many bags you actually go through in a month? Our quiz figures it out in about a minute, or head straight to the shop and stock up.

Sources