Laserfiche WebLink
<br />i <br />, <br /> <br /> <br />SUNKEN PARKING LOT <br /> <br />Onsite detention can be provided for in <br />and other such areas. Slow ['elease of <br />flood problems downstream [rom large new <br /> <br /> <br />gutter runoff, and using pavements that <br />let water seep through into the ground <br />below. <br /> <br />The cost of individual onsite <br />detention measures is usually not high. <br />However, the cost often falls on the <br />owner of the land where flood waters <br />arise, while most other flood control <br />measures are paid for by the people in <br />the protected area or by the general <br />public. <br /> <br />Onsi te detention ponds or reser- <br />voirs can lose their effectiveness over <br />time if they're not regularly cleaned <br />and maintained. This can involve a <br />significant cost. Another potential <br />problem with onsi te detention measures <br />is the lack of unified control over <br />patterns of flow drainage. However, <br />this problem can be handled through <br />broad scale planning of the overall <br />system. <br /> <br />Measures Modifying <br />Susceptibility to Flooding <br /> <br />A diverse range of measures are <br />available to reduce the danger and <br />susceptibility to damages from flood- <br />ing. By and large, they involve little <br />or no construction and have a low <br />capi tal cost. <br /> <br />the design of parking lots, rooftops, <br />the trapped w~ater avoid,s aggravating <br />developments. <br /> <br />Floodplain Regulations <br /> <br />Floodplain regulations designate <br />flood-prone areas and limit their uses <br />to those compatible with the degree of <br />flood risk. They serve several purposes <br />including: <br /> <br />. Preventing new development in flood- <br />prone areas that could result in loss <br />of life and excessive damage to <br />property, or reducing the potential <br />for such losses and damages. <br /> <br />. Protecting <br />purchasing <br />prone areas. <br /> <br />buyers <br />home s in <br /> <br />from <br />flood- <br /> <br />unwary <br />land or <br /> <br />. Preventing encroachments tha t <br />decrease the flood carrying capacity <br />of floodplains, increase flood <br />heights, or otherwise aggravate flood <br />problems. <br /> <br />. Reducing public costs <br />operations, relief, <br />restoration. <br /> <br />for emergency <br />evacua tion and <br /> <br />. Reducing need for future expenditures <br />for construction, opera tion and <br />maintenance of reservoirs, levees and <br />other flood control measures. <br /> <br />. Preserving natural floodplain values. <br /> <br />37 <br />