Yes, in California, it is illegal to collect rainwater without a proper permit. The reason for this law is to protect water rights and ensure that there is enough water available for all Californians, especially during times of drought.
California has a complex system of water rights that dates back to the 1800s, and collecting rainwater without permission can potentially interfere with these rights. Additionally, the state wants to encourage responsible water use and conservation, and allowing individuals to collect rainwater without regulation could lead to misuse and waste.
Individuals who are interested in collecting rainwater for non-potable uses, such as irrigation or landscaping, can obtain a permit from their local water authority. These permits typically outline the specific conditions and limitations for rainwater collection, ensuring that it is done in a way that does not negatively impact the overall water supply.
While the law may seem strict, it is important to consider the overall impact of water usage in a state like California, where water scarcity is a significant concern. By regulating rainwater collection, the state can better manage its water resources and ensure that everyone has access to the water they need.