New York Well Data › Suffolk County
Suffolk County, New York: well depth, yield & drilling cost
✓ 19,004 NYSDEC records · verified 2026-10-12
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How deep are wells in Suffolk County, New York?
The median drilled well depth in Suffolk County is 65 ft, based on 18,986 wells with recorded depths in the state NYSDEC database. Half of all wells fall between 50 ft and 90 ft; 90% are shallower than 138 ft. Wells drilled since 2016 have a median depth of —.
How much does it cost to drill a well in Suffolk County?
Applying published per-foot rates to the local median depth of 65 ft: drilling and casing alone typically runs $1,625–$4,225; a complete system including pump, pressure tank, and hookup typically runs $3,900–$6,500. Actual quotes depend on site access, geology, and casing requirements.
What is the static water level in Suffolk County?
Few static water level measurements are recorded for this county.
How much water do wells in Suffolk County produce?
The median tested yield is 15 gpm (middle half: 10 gpm–20 gpm), from 14,655 pump tests. A typical household needs 5–10 gpm.
Drilled depth distribution
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Well records by ZIP code in Suffolk County
Median depth, water level, and yield for each ZIP code with recorded wells.
- East Hampton (11937) — 2,871 wells, median 70 ft
- Water Mill (11976) — 1,181 wells, median 77 ft
- Shelter Island (11964) — 1,105 wells, median 47 ft
- Sag Harbor (11963) — 887 wells, median 85 ft
- Sagaponack (11962) — 823 wells, median 67 ft
- Wainscott (11975) — 742 wells, median 64 ft
- Southampton (11969) — 711 wells, median 50 ft
- Southampton (11968) — 704 wells, median 70 ft
- Bridgehampton (11932) — 603 wells, median 60 ft
- Orient (11957) — 531 wells, median 38 ft
- Amagansett (11930) — 447 wells, median 64 ft
- Calverton (11933) — 425 wells, median 73 ft
- Mattituck (11952) — 383 wells, median 65 ft
- Southold (11971) — 378 wells, median 56 ft
- Shelter Island Heights (11965) — 354 wells, median 68 ft
- Hampton Bays (11946) — 335 wells, median 83 ft
- East Marion (11939) — 323 wells, median 65 ft
- Cutchogue (11935) — 299 wells, median 60 ft
- Montauk (11954) — 284 wells, median 105 ft
- Manorville (11949) — 256 wells, median 76 ft
- Upton (11973) — 205 wells, median 95 ft
- Peconic (11958) — 191 wells, median 65 ft
- Speonk (11972) — 169 wells, median 80 ft
- Westhampton (11977) — 166 wells, median 50 ft
- Bellport (11713) — 163 wells, median 50 ft
- East Quogue (11942) — 161 wells, median 60 ft
- Quogue (11959) — 157 wells, median 50 ft
- Patchogue (11772) — 137 wells, median 50 ft
- Riverhead (11901) — 130 wells, median 60 ft
- Medford (11763) — 129 wells, median 96 ft
- East Setauket (11733) — 121 wells, median 65 ft
- Babylon (11702) — 119 wells, median 290 ft
- Ridge (11961) — 117 wells, median 75 ft
- Laurel (11948) — 113 wells, median 71 ft
- Aquebogue (11931) — 107 wells, median 81 ft
- Cold Spring Harbor (11724) — 104 wells, median 183 ft
- Brightwaters (11718) — 102 wells, median 50 ft
- Moriches (11955) — 102 wells, median 64 ft
- South Jamesport (11970) — 101 wells, median 60 ft
- Middle Island (11953) — 94 wells, median 81 ft
- Remsenburg (11960) — 90 wells, median 46 ft
- Center Moriches (11934) — 87 wells, median 52 ft
- Brookhaven (11719) — 79 wells, median 56 ft
- East Moriches (11940) — 78 wells, median 54 ft
- Yaphank (11980) — 78 wells, median 75 ft
- Westhampton Beach (11978) — 72 wells, median 55 ft
- Eastport (11941) — 68 wells, median 90 ft
- Blue Point (11715) — 64 wells, median 50 ft
- Saint James (11780) — 61 wells, median 111 ft
- Centerport (11721) — 61 wells, median 110 ft
- Shirley (11967) — 60 wells, median 80 ft
- Melville (11760) — 57 wells, median 178 ft
- Jamesport (11947) — 56 wells, median 77 ft
- Bayport (11705) — 55 wells, median 65 ft
- Port Jefferson (11777) — 55 wells, median 221 ft
- Wading River (11792) — 54 wells, median 118 ft
- New Suffolk (11956) — 53 wells, median 40 ft
- Mastic (11950) — 51 wells, median 80 ft
- Bay Shore (11706) — 50 wells, median 201 ft
- Bayville (11709) — 50 wells, median 158 ft
Method: medians computed from NYSDEC records (NYSDEC water well completion reports; depths 0-5,000 ft). Cost estimate applies published per-foot ranges (checked 2026-06-11) to the local median depth — full methodology & sources.