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闽侯县境内大小河流密布,流域面积在200平方公里以上的有3条,集雨面积在30平方公里以上溪流有13条。全县降水丰富,平均湿度77%,水资源总量达14.96亿立方米(不含入境水量),人均占有量2159立方米,水资源较丰富,但时空分布不均。全县小(二)型以上水库40座,总库容8634万立方米,小山塘175座,引提水工程3696处。全县保护千亩以上防洪堤有12处,总长100.04公里。全县水力资源理论蕴藏量约12万千瓦,已建电站29座,装机容量84030千瓦。
Minhou County, the size of the river is densely covered, the basin area of 200 square kilometers in more than three, rain catchment area of 30 square kilometers above the stream 13. The county has abundant rainfall with an average humidity of 77%. The total amount of water resources reaches 1.496 billion cubic meters (excluding the amount of inbound water), and the per capita amount is 2159 cubic meters. The water resources are abundant, but the spatial and temporal distribution is uneven. The county small (B) above 40 reservoirs, a total capacity of 86340000 cubic meters, hill pond 175, cited water project 3696. The county protection of more than 12 acres of flood levee 12, total length 100.04 kilometers. The theoretical reserves of hydraulic resources in the county is about 120,000 kilowatts, 29 power plants have been built, installed capacity of 84030 kilowatts.