12 Va. Admin. Code § 5-440-70
All reasonable precautions must be taken to prevent pollution of swimming water by human excreta from sources in the vicinity of the camp. If a swimming pool is made of concrete or other impervious material, arrangements should be made to change the water at intervals.
§§ 35.1-11 and 35.1-16 of the Code of Virginia.
Derived from VR355-35-03 § 7, eff. undated.