New Hampshire Dog Poop Laws by County: What Pet Owners Need to Know

If you live in New Hampshire and own a dog, cleaning up after your pet isn’t just a matter of courtesy—it’s often the law. While there’s no single statewide rule that governs dog waste removal, nearly every town and county enforces local ordinances. This guide breaks down dog poop laws by county so you can avoid fines and be a responsible dog owner.

Why Cleaning Up After Your Dog Matters

Dog waste isn’t fertilizer. It contains harmful bacteria and parasites like E. coli, giardia, and roundworms that can infect other pets, wildlife, and even people. When it rains, dog poop can wash into storm drains and pollute lakes and rivers. That’s why so many New Hampshire counties require dog owners to clean up after their pets in public areas.

Is There a Statewide Dog Poop Law in New Hampshire?

No, New Hampshire does not have a single statewide statute requiring pet waste removal. However, nearly every city and county uses nuisance or sanitation ordinances to enforce poop pick-up laws. In some places, not cleaning up after your dog can lead to fines ranging from $25 to $250 or more.

Hillsborough County (Manchester, Nashua)

Are dog owners required to clean up waste in Hillsborough County?

Yes. Cities like Manchester and Nashua have strict rules about dog poop cleanup. Dog owners are required to remove waste from sidewalks, parks, trails, and any property that’s not their own.

• Fines typically start around $50
• Repeat offenders may receive citations or increased penalties
• Parks and neighborhoods have clear signage about pet cleanup

If you’re not sure what stage of life your dog is in, try this dog age calculator to find out your dog’s age in human years. It’s quick and helpful for better care.

Rockingham County (Derry, Salem, Portsmouth)

What are the dog poop rules in Rockingham County?

Municipalities within Rockingham County, including Derry and Portsmouth, require dog owners to immediately clean up after their pets. Leaving poop in public areas is considered a public nuisance and can be reported by neighbors or passersby.

• Poop must be bagged and thrown in a proper trash bin
• Property owners may report violations on their land
• Some towns allow citations based on witness reports

Wondering how age impacts your dog’s digestion or energy levels? Use this dog age estimator to plan their health and nutrition accordingly.

Merrimack County (Concord)

Does Concord have specific pet waste laws?

Yes. In Concord, dog waste laws are part of the city’s health code. Dog owners must pick up after their pets in all public spaces, including streets and parks.

• Not cleaning up can result in a fine
• Animal control officers can issue citations
• Most dog-friendly trails require cleanup by law

Cheshire County (Keene)

Are there poop laws in Keene and Cheshire County?

Yes. Keene enforces local health ordinances that require dog waste to be picked up and disposed of properly. Ignoring these rules can lead to fines, especially if someone files a complaint.

• Clean-up is mandatory in public parks and sidewalks
• Bag dispensers are often provided, but owners must carry their own just in case
• Leaving bagged poop on trails still counts as a violation

Need to know if your dog is in its senior years? Try this simple dog age tool to get answers in seconds.

Strafford County (Dover, Rochester)

What are the dog waste rules in Strafford County?

Dover and Rochester require dog owners to clean up after their pets in all public places. Local ordinances call it a health hazard and a public nuisance.

• Waste must be removed immediately
• Violators can face monetary penalties
• Reports can be made to local code enforcement or animal control

Belknap County (Laconia)

Are there specific laws in Belknap County regarding dog poop?

Yes. Laconia and other towns in Belknap County treat dog poop as an environmental concern. Leaving it on public property, including sidewalks and recreation areas, can result in a citation.

• Public events often increase enforcement
• Many neighborhoods rely on HOA rules to reinforce cleanup

Grafton County (Lebanon, Hanover)

Do I need to pick up after my dog in Grafton County?

Yes. Cities like Lebanon and Hanover have city-wide ordinances that require dog owners to clean up after their pets. College campuses and parks often have extra signage and enforcement due to high foot traffic.

• Waste stations are common but not guaranteed
• Being caught without a bag can result in a warning or fine

If you’re planning long walks or hikes with your older dog, knowing their age can help you plan better. Use this dog age checker to learn how old they are in human years.

Sullivan County (Claremont)

Are there poop pick-up laws in Sullivan County?

Yes. Claremont and surrounding areas expect pet owners to clean up dog waste immediately. Not doing so is seen as a public nuisance and may lead to a fine.

• Enforcement often depends on neighbor reports
• Repeated offenses can increase the severity of penalties

Common Questions About Dog Poop Laws in New Hampshire

Do I need to carry a poop bag by law?

Yes. Most cities and counties require dog walkers to carry poop bags. Not having one may result in a citation, even if your dog hasn’t pooped yet.

Can I be fined if no one sees me?

If someone reports you with evidence like photos or surveillance, you can be fined. Many communities take repeat complaints seriously.

What if my dog poops on my own property?

You’re not legally required to clean it up on your own land, but it’s still best for hygiene, especially if you have kids or other pets around.

What if I physically can’t pick up the poop?

Consider using long-handle tools or walking with someone who can help. Being physically unable doesn’t exempt you from cleanup laws in most areas.

How to Stay Compliant with New Hampshire Dog Poop Laws

• Always bring bags – Keep them attached to your leash or belt
• Use designated trash bins – Don’t leave bagged poop on the ground
• Train your dog – Encourage them to go in more controlled or grassy areas
• Check signage – Park rules often vary by town or county

Want to understand how your dog’s age affects its energy and needs? Try this dog age calculator and get quick, accurate results.

Conclusion

Whether you’re in Manchester, Portsmouth, or a small town in Grafton County, cleaning up after your dog is both a legal and social responsibility in New Hampshire. Local ordinances may differ slightly, but the message is clear—dog owners must remove pet waste in public spaces to avoid fines and keep communities clean.

Take the time to understand your county’s rules, always carry a bag, and be a responsible pet parent. And if you haven’t already, click here to calculate your dog’s age in human years—it’s a simple step toward better care at every life stage.