Rigorous field testing is unlocking the true power of green infrastructure, delivering hard data on how effectively systems clean real-world stormwater. Christian Hennessy of @oldcastle_infrastructure explains that by capturing grab samples of influent and effluent, these tests precisely measure removal of total suspended solids, phosphorus, nitrogen, and metals—providing the reliable evidence communities need to deploy high-performance, resilient solutions with confidence. Episode at link in bi

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