Significant decline in quantity.
Significant decline in quantity. A significant decline in the quantity is caused by a disruption of the potable water supply by an emergency. The disruption in quantity of water prevents the present source or delivery system from supplying potable water needs to rural residents. This would not include a decline in excess water capacity. As used in this Subpart, the term significant decline in quantity may also include a situation where a significant decline is likely to occur within one year from the date of the filing of an application.