Rainwater that flows over surfaces during precipitation events, often carrying pollutants into drainage systems.
Compound of 'storm' (Old English 'storm' meaning 'tempest') and 'water' (Old English 'wæter'). Modern environmental term combining basic weather and water concepts.
Stormwater management is crucial for preventing urban flooding and water pollution. Ancient Romans were pioneers in this field - their sophisticated drainage systems, including the Cloaca Maxima, still influence modern stormwater engineering!
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