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5 Effective Ways to Manage Stormwater Runoff on Construction Sites during Rainy Periods

Updated: Jul 19, 2023

Managing stormwater runoff is crucial on construction sites, especially during rainy periods, to prevent erosion, water pollution, and damage to surrounding ecosystems. Implementing effective stormwater management practices not only ensures compliance with environmental regulations but also promotes sustainability. In this article, we will explore five practical ways to manage stormwater runoff on construction sites during rainy periods.

In Utah, our “rainy periods” can be few and far between. They can still cause a lot of problems for construction sites, however. It’s important to work closely with your SWPPP service provider to make sure your site is ready for rain.

1. Implement Sediment and Erosion Control Measures:

Construction sites produce a significant amount of sediment that can be easily washed away by rainwater. Implementing erosion control measures such as sediment barriers, silt fences, and sediment basins can help trap and contain sediment before it enters nearby water bodies. Regular inspections and maintenance of these control measures are essential to ensure their effectiveness.

2. Utilize Stormwater Infiltration Techniques:

One effective way to manage stormwater runoff is to promote infiltration into the ground rather than allowing it to flow off-site. Techniques like bioretention basins, rain gardens, and permeable pavements help capture and infiltrate stormwater, allowing it to percolate into the soil. These green infrastructure solutions not only manage stormwater but also enhance groundwater recharge and improve water quality.

3. Employ Temporary Diversion Structures:

Temporary diversion structures are designed to redirect stormwater runoff away from sensitive areas of the construction site. This can be achieved through the installation of diversion channels, berms, and swales, which effectively route the water to a suitable location where it can be managed safely. It is crucial to ensure that these structures are properly maintained to prevent blockages and ensure continuous water flow.

4. Install Protective Coverings and Mulch:

Exposed soil on construction sites is highly vulnerable to erosion during rainfall. By implementing protective coverings such as straw blankets or geotextiles, the soil surface is shielded from the direct impact of raindrops, reducing erosion. Additionally, applying mulch to bare soil helps to retain moisture, prevent runoff, and stabilize the soil. Regular inspections and replenishment of these protective coverings are necessary to maintain their effectiveness.

5. Promote Construction Site Best Practices:

A well-trained and educated workforce is crucial for effective stormwater management on construction sites. Promoting best practices such as regular site cleanups, proper waste management, and the containment of construction materials helps minimize the potential for stormwater pollution. Educating construction personnel on the importance of stormwater management and providing clear guidelines and protocols can significantly reduce the negative environmental impact during rainy periods.


Managing stormwater runoff is vital on construction sites to mitigate environmental damage caused by erosion and water pollution. By implementing sediment and erosion control measures, utilizing stormwater infiltration techniques, employing temporary diversion structures, installing protective coverings and mulch, and promoting construction site best practices, construction projects can effectively manage stormwater runoff during rainy periods. By prioritizing these measures, construction companies can demonstrate their commitment to environmental stewardship while ensuring compliance with regulations and protecting nearby water bodies.

Accena Group can help you manage your stormwater requirements. Contact Us now to find out more.

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