Discover the essentials of stormwater management in our ‘Honolulu Stormwater Guide: Navigating Impervious Surfaces’. This comprehensive guide demystifies the Residential Storm Water Management Plan (RSWMP) implemented by the City and County of Honolulu. Learn about the impact of impervious surfaces, such as rooftops and driveways, on your property and the environment. Understand the importance of keeping impervious surface area (ISA) below 75% of your total property area and the strategies to manage rainwater effectively. Our guide also explains the process of plan approval and the responsibilities of property owners. For properties with more than 75% ISA, learn about the ‘Existing Nonconforming Impervious Surface Acknowledgement’ form and its implications. This guide is essential for property owners in Honolulu aiming to contribute to effective stormwater management and sustainable urban development. Dive in to navigate the complexities of stormwater management in Honolulu.
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