近两年 ,中山市相继建成 4个以水库水和山坑泉水为水源的泳场。由于所用的长流水源污染轻微 ,水质介于地面水环境质量标准 ～ 类且大部分时间属 类 ,水感良好 ,深受泳客喜爱。此类泳场既无天然泳场的大水量冲涮或稀释 ,又难以象人工泳池那样进行池水的连续有效消毒 ,因而也 In the past two years, Zhongshan has built four swimming pools that use reservoir water and mountain pit springs as their sources. Due to the slight pollution of the long-term water source used, the quality of the water is above the ground water environmental quality standards and most of the time belongs to the category, water feeling good, loved by swimmers. Such swimming pools have neither the large amount of water in the natural swimming pool to rinse or dilute but also the continuous and effective disinfection of the water as in the artificial swimming pool