The City of Little Rock (City) has begun the process of updating their Stormwater Management and Drainage Design manual to improve the effectiveness of their stormwater management program. Stormwater is precipitation that runs off the land and into storm drains, which eventually flow into local waterways. Stormwater can pick up pollutants along the way, such as oil, chemicals, and debris, which can harm aquatic life and contaminate water sources.

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Effective stormwater management, which is required by state and federal regulations, is critical for protecting public health and the environment. To comply with these regulations, the City of Little Rock has developed a stormwater management program that includes a set of criteria for the design and construction of stormwater infrastructure, such as storm drains, detention ponds, and rain gardens.

The criteria in the stormwater drainage manual are used by engineers, developers, and contractors to ensure that stormwater infrastructure is designed and built to the highest standards. The manual also provides guidance on best management practices for controlling stormwater pollution and reducing flood risk for future and existing development.

Stormwater management practices, methodologies, and technology are constantly evolving, and the City of Little Rock recognizes the need to update their stormwater drainage criteria manual which has not been significantly updated since 1985.  By updating the manual, the City can ensure that the manual remains effective and adequately addresses new practices including low impact development (LID) and water quality best management practices (BMPs).