基于改进水质指数法的庭院雨水集蓄工程水质评价

Water quality evaluation for the rainwater harvesting in county yard based on improved water quality index method

应用改进的水质指数法对甘肃省榆中、通渭地区的庭院雨水集蓄工程的水质进行评价,结果表明庭院雨水集蓄工程的水质尚好,达到了国家《地表水环境质量标准》(GB 3838-2002)的3级标准,能够满足人畜饮水要求。

Based on the improved water quality index method, the water quality of courtyard-rain- water harvesting project in Yuzhong and Tongwei of Gansu Province was evaluated. The results have showen that the water quality of courtyard-rainwater harvesting project were good and at- tained the national third degree standard of 《quality standard for the surface water environment》 （GB3838--2002）, which can satisfied the drink and water requirements for the peoples and animals.