A seaside town in New Hampshire has increased the fine for not picking up dog poop by tenfold — from $100 to $1,000, according to a local television station.

After seeing dozens of cases of dog walkers not picking up their pets’ droppings, the town of Rye decided to up the penalty, according to WGME Channel 13.

The new law is part of a larger effort to identify and mitigate contamination in some of the town’s marsh areas and on its beaches.

Some dog owners drop poop in storm drains, leave it on the road or throw it in the nearby marshes, Rye Police Chief Kevin Walsh said.

“Unfortunately we have to put this rule in place for a few people who don’t want to follow it,” Walsh said.

“I don’t think anyone wants to contaminate the area,” Walsh told Channel 13. “But if one person does it, then they’ll all do it. If you have 10 or 15 people doing it a day, that’s going to add up.

Earlier this summer, residents in Old Orchard Beach also complained about a pooping problem on their beaches — one that was caused by humans, however, not animals.