What is a key reason to adhere to local regulations when designing drainage systems?

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Adhering to local regulations when designing drainage systems is crucial for ensuring that the systems are environmentally compliant. This is because local regulations often include specific guidelines and requirements aimed at protecting water quality, managing stormwater runoff, and preventing pollution. Compliance with these regulations ensures that the drainage system is not only functional but also sustainable, by mitigating negative impacts on the surrounding ecosystem. Systems designed without consideration for these regulations may contribute to environmental degradation, which could lead to fines, rework, or even legal action.

While cost avoidance, material usage, and system complexity are factors that designers consider, they do not address the primary importance of environmental impact that regulations aim to manage. Thus, focusing on environmental compliance aligns with broader goals of public health and environmental sustainability.