Thousands of homeowners in Delaware currently rely on individual
wells and water systems to provide water. In addition, hundreds
of new wells and systems are constructed each year to provide
water for those not served by public water systems. Methods used
to construct water wells in Delaware are discussed in DGS
Information Series No. 2 (Domestic Water Well Construction).
Domestic water systems are described herein. Because of its
"renewability" water is unique among earth resources that
sustain and enhance life. No other mineral resource that we
extract on a long-term and continuous basis can be counted on
for at least some degree of replenishment within a human
lifetime. This attribute allows a great deal of flexibility in
management of the resource. In Delaware local rainfall,
approximately 40" to 44" per year, renews part or all of our
water supply on a regular basis. However, not all of the rain
that falls is available for use. From this total rainfall must
be subtracted the water that evaporates (about