Could a barrel beneath your gutter land you in jail? Headlines about rainwater collection often leave out the distinction that matters most: capturing rooftop runoff is legally different from damming channels or storing water that requires a water-right permit. In the United States, requirements depend on the state, the collection method, storage capacity, and intended use. Many residential systems are permitted, but there is no single nationwide rule that makes every rainwater project lawful without conditions.
The widely discussed Oregon case involved Gary Harrington, who received a thirty-day jail sentence and a $1,500 fine in 2012 for maintaining three unauthorized reservoirs. The dispute concerned dams that intercepted water flowing toward a creek, rather than an ordinary household rain barrel. Subsequent court records describe convictions and failure to comply with an order to stop storing water. Describing the case simply as imprisonment for “collecting rainwater” omits the structures, permit requirements, and enforcement history central to it.
Oregon law expressly exempts collecting and using precipitation from an artificial impervious surface, such as a roof, from its water-right permitting requirement. That exemption does not automatically waive other applicable construction or plumbing requirements. Other states set different conditions. Colorado, for example, allows qualifying residential properties to use up to two rain barrels with a combined capacity of 110 gallons, subject to specified collection and outdoor-use restrictions. These examples show why permission for one type of system should not be assumed to cover a larger or differently designed project.
Before installing a system, check the state water agency’s requirements and the local building or plumbing department’s rules. Ask whether the proposed collection surface, tank size, location, and use require registration, permits, or inspection. For maintenance, use suitable covered containers, limit debris entering the system, and prevent standing water from becoming a mosquito breeding area. Rooftop runoff should not be assumed safe to drink; drinking-water use requires separate attention to water quality, treatment, and applicable standards.
The precise answer is that unlawful water diversion or storage can carry penalties, including criminal consequences in some circumstances. That does not mean a compliant residential rain barrel is equivalent to an unauthorized reservoir. The Oregon case illustrates the consequences of violating particular water laws, not a blanket prohibition on harvesting rain. Understanding the requirements for your specific location and design allows you to distinguish a permitted conservation project from an activity requiring additional authorization.

