Term
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Definition
| rain water that doesn't sink into the ground |
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Term
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Definition
| a grate in the ground where rain water can go |
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Term
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Definition
| a problem if you didn't have storm drains |
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Term
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Definition
| a man-made pond where storm water collects |
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Term
| slows down the storm water |
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Definition
| what is the purpose of the rocks at the beginning of the retention pond |
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Term
1) prevents flooding of nearby streams
2) allows stormwater to seep into the ground becoming groundwater
3) traps sediment so it doesn't end up in nearby streams |
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Definition
| two functions of a retention pond |
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Term
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Definition
| what prevents a retention pond from getting too full |
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Term
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Definition
| what prevents sediment at a jobsite from flowing downhill into a stream or small tributary |
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Term
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Definition
| describes a surface that water cannot penetrate |
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Term
| sidewalks, roads, roof tops, parking lots |
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Definition
| examples of impervious surfaces |
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