Delaware Well Data › Sussex County

Sussex County, Delaware: well depth, water level & drilling cost

Name: Sussex County, Delaware water well statistics
Creator: Delaware Well Data
License: https://creativecommons.org/licenses/by/4.0/

✓ 71,178 Delaware DNREC records · verified 2026-10-19

67 ftmedian well depth

58 ft–80 fttypical depth range

10 ftmedian static water level

50 gpmmedian yield (35,258 tests)

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How deep are wells in Sussex County, Delaware?

The median drilled well depth in Sussex County is 67 ft, based on 70,659 wells with recorded depths in the state Delaware DNREC database. Half of all wells fall between 58 ft and 80 ft; 90% are shallower than 120 ft. Wells drilled since 2016 have a median depth of 70 ft.

How much does it cost to drill a well in Sussex County?

Applying published per-foot rates to the local median depth of 70 ft: drilling and casing alone typically runs $1,750–$4,550; a complete system including pump, pressure tank, and hookup typically runs $4,200–$7,000. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in Sussex County?

The median static water level is 10 ft below ground surface (middle half of wells: 7 ft–14 ft), from 33,577 measurements.

How much water do wells in Sussex County produce?

The median tested yield is 50 gpm (middle half: 30 gpm–60 gpm), from 35,258 pump tests. A typical household needs 5–10 gpm.

Drilled depth distribution

0–50 ft 6,658 50–100 ft 52,202 100–150 ft 6,938 150–200 ft 1,698 200–300 ft 2,591 300–400 ft 387 400–600 ft 174 600+ ft 11

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Well records by ZIP code in Sussex County

Median depth, water level, and yield for each ZIP code with recorded wells.

Seaford (19973) — 5,685 wells, median 60 ft
Harbeson (19951) — 5,243 wells, median 65 ft
Lewes (19958) — 4,514 wells, median 70 ft
Dagsboro (19939) — 4,364 wells, median 65 ft
Georgetown (19947) — 4,339 wells, median 62 ft
Milton (19968) — 4,125 wells, median 65 ft
Laurel (19956) — 3,977 wells, median 60 ft
Lincoln (19960) — 3,517 wells, median 60 ft
Nassau (19969) — 3,495 wells, median 70 ft
Bridgeville (19933) — 3,253 wells, median 60 ft
Millsboro (19966) — 3,221 wells, median 66 ft
Millville (19967) — 2,974 wells, median 70 ft
Greenwood (19950) — 2,790 wells, median 56 ft
Delmar (19940) — 2,783 wells, median 65 ft
Bethel (19931) — 2,417 wells, median 60 ft
Rehoboth Beach (19971) — 2,313 wells, median 85 ft
Ellendale (19941) — 1,880 wells, median 60 ft
Ocean View (19970) — 1,866 wells, median 80 ft
Selbyville (19975) — 1,598 wells, median 75 ft
Frankford (19945) — 1,570 wells, median 76 ft
Bethany Beach (19930) — 1,493 wells, median 120 ft
Fenwick Island (19944) — 751 wells, median 123 ft

Method: medians computed from Delaware DNREC records (Delaware DNREC non-public well permits, water-supply wells only (monitoring, observation, soil borings, dewatering and remediation wells and un-drilled permits excluded); depths 0-5,000 ft). Cost estimate applies published per-foot ranges (checked 2026-06-11) to the local median depth — full methodology & sources.