Is it Legal to Collect Rainwater in New Hampshire?

Yes, it is legal to collect rainwater in the state of New Hampshire. There aren't currently any regulations on rainwater collection systems intended for non-potable uses (not intended for consumption).

In fact, there are several projects encouraging the collection of rainwater and education around the practice. One of these programs is the Soak Up the Rain New Hampshire Project, which promotes rain gardens, rain barrels, and more to restore clean water to local river systems and lakes.

Key Takeaways

  • New Hampshire allows rainwater harvesting with state-specific guidelines.
  • Non-potable uses of collected rainwater are permissible under these regulations.
  • Familiarity with permits, incentives, and support programs is crucial for lawful rainwater collection.

Table of Contents

    New Hampshire Rainwater Harvesting Laws And Regulations

    In New Hampshire, the legality of rainwater harvesting is managed at the state level, providing residents with the opportunity to collect and use rainwater. Unlike other resource allocation policies, there are no overarching federal laws governing the collection of rainwater; therefore, it falls upon state jurisdictions to outline the regulations. New Hampshire allows for the practice within certain guidelines that are geared toward promoting sustainable water use practices.

    Understanding these guidelines is essential for homeowners and businesses looking to implement rainwater harvesting systems. Considering environmental, legal, and practical factors play a crucial role in the process. Rainwater can be collected for non-potable uses under state regulations, which may include irrigation and other specific applications. Moreover, individuals interested in such initiatives should also be aware of the possible need for permits, as well as the incentives or support programs that may be available to encourage sustainable water management.

    Overview Of New Hampshire Rainwater Harvesting Legality

    In New Hampshire, rainwater harvesting is legal. You are permitted to collect and use rainwater for non-potable purposes on your property. The State encourages the practice as part of sustainable living and to reduce the demand on traditional water sources.

    Updates And Recent Changes In NH Law

    There have not been significant recent changes concerning rainwater harvesting laws in New Hampshire. However, any legal and regulatory updates pertaining to environmental practices can impact rainwater harvesting guidelines, so it’s essential to stay informed on the current rules as provided by the State.

    Water Rights And Rainwater Ownership In New Hampshire

    When considering the collection of rainwater in New Hampshire, you must understand the distinctions in water rights, the legal implications of rainwater ownership, and the regulations that govern it. State guidelines determine how you can lawfully accumulate and utilize this natural resource on your property.

    Navigating NH Water Rights For Rainwater Harvesting

    Your right to harvest rainwater hinges on state regulations that may dictate the capture and use of this resource. In New Hampshire, water rights are generally dictated by government policies which categorize rainwater as a part of surface water systems. When you set out to collect rainwater, it is essential to review state legislation to ensure your actions align with local guidelines.

    Ownership And Use Of Collected Rainwater

    Once collected, the ownership of rainwater can be a complex matter. Typically, if you collect rainwater on your property, it is considered yours. However, you should be aware that specific uses of rainwater may be subject to state or local laws. Rules often focus on ensuring that residents responsibly use their collected water, with particular emphasis on avoiding contamination of the water supply or harm to the environment.

    Legal Framework Governing Water Rights

    The legal framework in New Hampshire supports rainwater harvesting under certain conditions and is structured to promote sustainability and public safety. Legality often encompasses both the methods of collection and the intended usage. Proper adherence to the State’s water rights regulations ensures that you, as a property owner, can utilize rainwater in a way that aligns with both your interests and the welfare of the community.

    Restrictions And Limitations On Rainwater Harvesting In New Hampshire

    When considering rainwater harvesting in New Hampshire, you need to navigate a few specific regulations that ensure its responsible application and adherence to state law.

    Volume And Usage Restrictions In New Hampshire

    New Hampshire allows you to collect rainwater, but it’s important to be aware of volume restrictions that may apply, particularly if your collection system has a large capacity. Typically, these limitations are in place to manage the balance between water resources and land usage. To confirm you are within legal bounds, check with local regulations, as they can vary across different municipalities.

    Usage Limitations For Harvested Rainwater in NH

    In terms of usage, rainwater you collect in New Hampshire should primarily be for non-potable purposes such as irrigation and landscaping. Guidelines are strict about purifying rainwater for drinking due to contaminant concerns, such as those raised by the phenomenon of acid rain. Be sure to follow safety protocols to avoid health risks.

    Zoning And Land Use Considerations

    Zoning regulations significantly affect rainwater harvesting setups. Each zone might have rules about the types of rainwater harvesting systems allowed, their size, and their location on your property. Consult with your local zoning office to ensure your system is compliant with land use ordinances. Always ensure that your setup does not alter the natural flow of water on your land or infringe upon the water rights of others.

    Understanding New Hampshire’s Rainwater Harvesting Permits

    When considering the installation of a rainwater collection system in New Hampshire, it’s crucial to understand the permitting process and regulations. Proper compliance ensures that your system is legal and environmentally sound.

    NH Permit Requirements For Rainwater Collection Systems

    New Hampshire law generally allows for the collection of rainwater on your property. However, depending on the size and use of your system, you might need a permit. For residential systems intended for non-potable uses, permits might not be required. You should check with local authorities to confirm whether your intended setup necessitates a formal permit.

    Application Process And Documentation

    To apply for a permit, you’ll need to submit an application to the appropriate state or local agency. This application typically includes:

    • A detailed description of your rainwater harvesting system
    • The intended use of collected rainwater
    • Site plans indicating the location of the collection system

    You must adhere to the specified documentation requirements to facilitate a smooth application process.

    Building Codes And Standards For Rainwater Harvesting In New Hampshire

    Your rainwater collection system must meet New Hampshire’s building codes and standards. These are intended to ensure safety, quality, and environmental protection. The construction and design of your system should comply with these standards:

    • Adequate structural support for rain barrels or tanks
    • Proper installation of gutters and downspouts
    • Prevention of contaminants entering the system

    Standards can vary by locality, so it’s imperative to consult the specific codes applicable to your area.

    Compliance And Inspection Procedures

    After installing a rainwater harvesting system with a permit, you’ll need to follow compliance and inspection procedures. This often includes:

    • Allowing inspections by state or local authorities
    • Ensuring system modifications align with initial permit approvals

    Regular maintenance checks are also vital to remain compliant with New Hampshire regulations and to ensure the longevity and proper functioning of your system.

    Incentives And Support For Rainwater Harvesting In New Hampshire

    Rainwater harvesting in New Hampshire may offer you various opportunities to save on water and engage in sustainable water management through state incentives, support programs, and available grants.

    NH State Incentives And Rebates For Rainwater Collection

    New Hampshire recognizes the benefits of rainwater harvesting as a form of sustainable water management. Although specific incentives can vary, the state government might offer rebates or tax credits for installing systems that collect and use rainwater. It’s advisable to check with local government agencies for up-to-date information on what incentives you could be eligible for.

    Support Programs And Ngos Promoting Rainwater Harvesting in New Hampshire

    Several non-profit organizations in the state dedicate their efforts to promoting rainwater harvesting. They provide educational resources, workshops, and technical assistance to guide you in implementing rainwater collection systems. These organisations often partner with the state government or businesses to increase the adoption of these sustainable practices.

    Federal And NH State Grants For Sustainable Water Management

    Your rainwater harvesting projects in New Hampshire might be supported through federal and state grants. These grants are designed to promote sustainable water management practices. The federal government, along with state agencies, provides funding opportunities that can help cover the costs associated with the installation and maintenance of rainwater harvesting systems. Keep an eye on grant announcements from agencies like the Environmental Protection Agency (EPA) to capitalize on these opportunities.

    Historical Background Of Water Laws In New Hampshire

    In the state of New Hampshire, your understanding of water use today is significantly shaped by the early legislative framework and pivotal historical events that have influenced present-day water laws.

    Evolution Of Water Rights And Policies

    Your water rights in New Hampshire have evolved over time, originating from English common law and adapting to local needs and contexts. Early colonial water rights were tied to land ownership, largely reflecting the riparian doctrine where the rights to use water were attached to the ownership of the land bordering water courses. This principle was later challenged and modified as industrialization demanded a more flexible approach to water management, initiating a gradual shift in policies towards a more comprehensive water resource management strategy.

    Influence Of Historical Events On Current New Hampshire Laws

    Historical events have played a critical role in shaping the water laws you abide by in New Hampshire. For instance, the industrialization period, especially in New England, necessitated changes in water law to address the increased water use by mills and factories. As these industries grew, so did the need for more structured water management policies. New directives and agreements emerged to reconcile the interests of different water users and to ensure sustainable practices in the State. This has led to contemporary laws that now govern the collection and distribution of water resources, influencing your legal right to collect rainwater.

    Environmental And Sustainability Aspects

    Rainwater harvesting in New Hampshire can greatly influence your ecological footprint and contributes to sustainable water management practices. Understanding its role enables you to make informed decisions that support both the environment and your community.

    The Environmental Impact Of Rainwater Harvesting In New Hampshire

    Collecting rainwater minimizes the impact on local water resources by reducing demand from municipal systems during peak usage periods. In New Hampshire, your engagement in rainwater harvesting can reduce the strain on these systems, especially during the summer months when water usage is at its peak due to landscaping needs. Implementing a rain garden further enhances ground-water recharge and aids in managing stormwater runoff, lessening the possibility of erosion and water pollution.

    Sustainable Practices In Rainwater Harvesting

    Adopting sustainable practices in rainwater harvesting means you utilize systems that have little to no negative impact on the environment. For example, ensuring that your collection systems are made from materials that do not leach chemicals when in contact with water is a practice that keeps both the stored water and the surrounding environment safe. Also, consider integrating your system with green building designs, such as green roofs, which can provide additional insulation for your home and habitat for wildlife.

    Role Of Rainwater Harvesting In Climate Resilience

    Your participation in rainwater harvesting can improve climate resilience by mitigating the impacts of extreme weather events, such as droughts or heavy rainfall. The practice aids in water conservation during times of scarcity and allows for the redirection of excess rainwater, helping to prevent flooding. These harvesting systems ensure that you have an emergency water supply, which can be particularly crucial if your community faces unexpected water shortages.

    Official State Resources And Guides For Rainwater Harvesting In New Hampshire

    When you’re looking into rainwater harvesting in New Hampshire, there are specific state resources and guides that can inform you of the legality and best practices.

    New Hampshire Department of Environmental Services (NHDES): NHDES provides guidelines on rainwater harvesting systems. Their recommendations include details on rainwater catchment area, filtration, and proper storage to ensure water quality.

    New Hampshire Statutes: Relevant statutes offer a framework for the collection and use of rainwater. This legislation doesn’t specifically prohibit rainwater harvesting, instead, the focus is on appropriate use and ensuring that any harvesting system is in compliance with state water regulations.


    • Stormwater Management: NHDES has set stormwater management rules that you should review. These will guide you on how to legally collect and reuse rainwater in ways that do not conflict with state water resource management objectives.



    • Building Codes: Before installing a rainwater harvesting system, check the local building codes for any requirements or restrictions that may exist.



    • University of New Hampshire Cooperative Extension: Offers practical information on sustainable practices, including rainwater harvesting. They may provide workshops or informational materials that can help you with your rainwater collection project.


    For more detailed information, visit rainwater harvesting guidelines by the NHDES, or review literature on designing water systems that can provide you with further technical and functional insights into the proper setup and maintenance of a rainwater harvesting system in New Hampshire.

    Contact And Further Inquiries

    If you’re looking to understand the legalities of rainwater harvesting in New Hampshire, reaching out to the appropriate state or local agencies is an excellent first step. These organizations can provide detailed information and assistance regarding your queries.

    NH State Agencies Contact For Rainwater Harvesting Queries

    For state-level guidance on rainwater collection, New Hampshire Department of Environmental Services (NHDES) should be your initial point of contact. NHDES can address questions about water rights, permits, and any statewide regulations that may affect your ability to collect and use rainwater. Here is how you can reach out to them:

    • Phone: 603-271-3503
    • Email: NHDES Inquiry
    • Address: 29 Hazen Drive, Concord, NH 03302

    New Hampshire Local Government Resources And Assistance

    Local government is a valuable resource for specifics, as laws regarding rainwater collection can vary at the municipal level. To find out more about local ordinances and potential assistance programs, contact your town or city’s public works department or environmental services. Examples of local government contacts include:

    • City of Manchester, Public Works Department
      • Phone: 603-624-6444
      • Email: Public Works Inquiry
      • Address: 475 Valley Street, Manchester, NH 03103

    Make sure to provide them with detailed questions to receive comprehensive assistance tailored to your situation.

    Frequently Asked Questions

    Navigating the legalities of rainwater collection in New Hampshire can be straightforward if you’re aware of the state’s regulations. Here are some commonly asked questions that will help you understand the specifics.

    What are the regulations for installing a rainwater collection system in New Hampshire?

    In New Hampshire, you’re allowed to install a rainwater collection system on your property. However, it’s important to ensure that your system complies with local zoning and building codes, which can vary from one municipality to another.

    Can homeowners in New Hampshire legally use rain barrels to collect water?

    Yes, homeowners in New Hampshire can legally use rain barrels to collect water. This is viewed as a sustainable practice for managing stormwater and supplementing irrigation needs.

    Are there any restrictions on the use of collected rainwater in New Hampshire?

    There are no state-wide restrictions on the use of collected rainwater in New Hampshire as long as it’s for non-potable purposes, like irrigation and landscaping. For potable uses, additional treatment and adherence to health guidelines would be required.

    How does New Hampshire’s legislation on rainwater collection compare to other states?

    New Hampshire’s legislation on rainwater collection is relatively permissive compared to states with more arid climates where water rights and collection may be more regulated.

    What purposes is legally collected rainwater most commonly used for in New Hampshire?

    Legally collected rainwater in New Hampshire is commonly used for gardening, landscaping, and replenishing groundwater supplies. It’s an effective way to reduce reliance on municipal water systems for outdoor water use.

    What are the environmental impacts of rainwater harvesting in areas like New Hampshire?

    Rainwater harvesting in New Hampshire can positively impact the environment by reducing stormwater runoff, mitigating soil erosion, and helping to manage local watershed conditions. It contributes to sustainable water management practices in the region.