I bought my first rain barrel on a whim, tucked it underneath the downspout by the back porch, and felt slightly rebellious about the whole thing. Then a neighbor casually mentioned that people could get arrested for collecting rainwater.

I laughed at first.

Later that night, though, I found myself searching the internet because apparently nothing makes you question an innocent-looking backyard project faster than hearing that it might be illegal.

So, can you actually go to jail for collecting rainwater?
The popular story about someone going to jail for collecting rainwater also leaves out an important part of the story. The famous Oregon case involved a large-scale system that went far beyond a typical household rain barrel.

Is Collecting Rainwater Illegal in the United States?

There is no single nationwide rule that makes collecting rainwater either legal or illegal everywhere.

Rainwater harvesting is regulated primarily through state and local laws, and those rules can differ significantly. The U.S. Environmental Protection Agency notes that states take different approaches to precipitation and rainwater harvesting, with some jurisdictions encouraging collection while others impose restrictions or requirements.

For an ordinary homeowner, the most familiar setup is pretty straightforward: rain falls on the roof, runs through the gutters, travels down the downspout, and empties into a barrel.

Systems like this are commonly used for outdoor purposes such as watering gardens and landscaping. EPA materials describe rain barrels as relatively small systems that typically capture rooftop runoff for uses such as irrigation or car washing.

In many places, this kind of setup is permitted or actively encouraged.

But that doesn’t mean you should assume every rain barrel is automatically legal everywhere.

Some jurisdictions have requirements involving the size of the container, overflow, screens, placement, plumbing connections, or permitted uses. In other places, the rules may be minimal.

So, Can You Go to Jail for Collecting Rainwater?

The short answer is: not simply because you put a rain barrel under your downspout.

Rainwater harvesting is legal and encouraged in many places, while other jurisdictions regulate certain types of collection systems. The size, design, source, storage method, and intended use can all matter