| Alabama | LEGAL | In Alabama, collecting rainwater is legal and generally unregulated. There are no specific statutes restricting the capt... |
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| Alaska | LEGAL | Alaska permits rainwater harvesting without restrictions. There are no state laws limiting the collection or use of rain... |
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| Arizona | RESTRICTED | Arizona regulates rainwater harvesting under ARS § 45-1121, allowing limited collection of rainwater for certain uses bu... |
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| Arkansas | LEGAL | Arkansas allows rainwater collection without restrictions. There are no state statutes limiting the capture or use of ra... |
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| California | LEGAL | California encourages rainwater harvesting and has no restrictions on residential rainwater collection under California ... |
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| Colorado | RESTRICTED | Colorado now allows limited residential rainwater collection after decades of prohibition. House Bill 16-1005 (2016) per... |
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| Connecticut | LEGAL | Connecticut does not have laws restricting rainwater collection. Homeowners may collect and use rainwater without permit... |
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| Delaware | LEGAL | Delaware permits rainwater harvesting without restrictions. There are no state statutes limiting the collection or use o... |
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| Florida | LEGAL | Florida encourages rainwater harvesting and has no restrictions on residential rainwater collection under Florida Statut... |
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| Georgia | LEGAL | Georgia allows rainwater harvesting without restrictions. There are no state laws limiting the capture or use of rainwat... |
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| Hawaii | RESTRICTED | In Hawaii, collecting rainwater is generally allowed but regulated under the state's water rights system. According to H... |
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| Idaho | RESTRICTED | Idaho allows rainwater collection but regulates water rights under the prior appropriation doctrine. According to Idaho ... |
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| Illinois | LEGAL | Illinois does not restrict the collection of rainwater. There are no specific statutes prohibiting or regulating rainwat... |
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| Indiana | LEGAL | Indiana law does not restrict rainwater collection. There are no statutes or regulations prohibiting individuals from ha... |
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| Iowa | LEGAL | Iowa permits rainwater harvesting without restrictions. There are no state laws prohibiting the collection or use of rai... |
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| Kansas | RESTRICTED | Kansas regulates rainwater collection under its water appropriation laws. According to Kansas Statutes Annotated §82a-70... |
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| Kentucky | LEGAL | Kentucky does not have laws restricting rainwater collection. Individuals may collect and use rainwater without permits ... |
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| Louisiana | LEGAL | Louisiana permits rainwater harvesting without restrictions. There are no state statutes limiting the collection or use ... |
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| Maine | LEGAL | Maine allows rainwater collection without restrictions. There are no state laws prohibiting or regulating rainwater harv... |
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| Maryland | LEGAL | Maryland permits rainwater harvesting without restrictions. There are no statutes or regulations limiting the collection... |
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| Massachusetts | LEGAL | Massachusetts allows the collection of rainwater without specific restrictions under state law. There are no statutes pr... |
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| Michigan | LEGAL | Michigan permits rainwater harvesting without restrictions. There are no state statutes limiting the collection or use o... |
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| Minnesota | LEGAL | Minnesota allows rainwater collection without state restrictions. The Minnesota Department of Natural Resources encourag... |
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| Mississippi | LEGAL | Mississippi does not have laws restricting rainwater collection. The state encourages water conservation, and rainwater ... |
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| Missouri | LEGAL | Missouri permits rainwater harvesting without restrictions under state law. There are no statutes limiting collection or... |
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| Montana | RESTRICTED | Montana regulates rainwater collection due to prior appropriation water rights. According to Montana Code Annotated § 85... |
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| Nebraska | RESTRICTED | Nebraska regulates rainwater collection under its water rights system. The Nebraska Department of Natural Resources requ... |
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| Nevada | RESTRICTED | Nevada restricts rainwater collection due to its prior appropriation water rights system. NRS 533.024 prohibits unauthor... |
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| New Hampshire | LEGAL | New Hampshire allows rainwater harvesting without restrictions. There are no state laws prohibiting collection or use of... |
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| New Jersey | LEGAL | New Jersey permits rainwater collection without restrictions. The New Jersey Department of Environmental Protection supp... |
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| New Mexico | RESTRICTED | In New Mexico, rainwater harvesting is legal but regulated under the State Engineer's Office. The state allows limited c... |
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| New York | LEGAL | New York permits rainwater harvesting without specific restrictions. There are no state statutes prohibiting the collect... |
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| North Carolina | LEGAL | North Carolina allows rainwater harvesting without restrictions. The state encourages rainwater collection for irrigatio... |
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| North Dakota | LEGAL | North Dakota permits rainwater harvesting without restrictions. There are no state laws limiting the collection, possess... |
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| Ohio | LEGAL | Ohio allows rainwater harvesting without specific state restrictions. There are no laws prohibiting collection, storage,... |
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| Oklahoma | RESTRICTED | Oklahoma permits rainwater harvesting but regulates it under the prior appropriation water rights system. Collection of ... |
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| Oregon | RESTRICTED | Oregon allows rainwater harvesting but regulates it under the state's water rights system. Small-scale collection for do... |
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| Pennsylvania | RESTRICTED | Collecting rainwater is legal with restrictions in Pennsylvania with no state-level restrictions. Pennsylvania does not ... |
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| Rhode Island | LEGAL | Rhode Island allows rainwater harvesting without restrictions. The state encourages rainwater collection as a water cons... |
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| South Carolina | LEGAL | South Carolina permits rainwater harvesting without restrictions. There are no state laws limiting the collection, posse... |
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| South Dakota | LEGAL | South Dakota allows the collection of rainwater without specific restrictions. There are no statutes prohibiting rainwat... |
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| Tennessee | RESTRICTED | Collecting Rainwater is legal with restrictions in Tennessee. There are no state statutes limiting possession or sale of... |
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| Texas | RESTRICTED | Collecting Rainwater is legal with restrictions in Texas. 1421 which promotes rainwater collection. There are no restric... |
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| Utah | RESTRICTED | Utah allows rainwater collection but with restrictions under the Utah Division of Water Rights. Collecting rainwater is ... |
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| Vermont | LEGAL | Vermont permits rainwater collection without restrictions. There are no state statutes limiting possession or sale of ra... |
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| Virginia | RESTRICTED | Virginia allows rainwater harvesting without state restrictions. There are no laws prohibiting possession or sale of col... |
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| Washington | RESTRICTED | Washington State allows rainwater collection but with restrictions under the prior appropriation water rights system. Co... |
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| West Virginia | RESTRICTED | West Virginia permits rainwater collection without specific restrictions. There are no state statutes limiting possessio... |
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| Wisconsin | RESTRICTED | Wisconsin allows rainwater harvesting without restrictions. There are no state laws limiting possession or sale of colle... |
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| Wyoming | RESTRICTED | Wyoming regulates rainwater collection under its prior appropriation water rights system. Personal rainwater collection ... |
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