⟁ Illinois Well Data field records · 2026 survey

Illinois Well Data › Winnebago County › Seward (61077)

Seward, IL (61077): well depth, water level & drilling cost

✓ 139 ISGS records · Winnebago County

159 ftmedian well depth
144 ft–205 fttypical depth range
—median static water level
15 gpmmedian yield (76 tests)

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How deep are wells in and around Seward (61077), Illinois?

The median drilled well depth in and around Seward (61077) is 159 ft, based on 138 wells with recorded depths in the state ISGS database. Half fall between 144 ft and 205 ft; 90% are shallower than 262 ft.

How much does it cost to drill a well in and around Seward (61077)?

Applying published per-foot rates to the local median depth of 159 ft: drilling and casing alone typically runs $3,975–$10,335; a complete system including pump, pressure tank, and hookup typically runs $9,540–$15,900. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in and around Seward (61077)?

Few static water level measurements are recorded for this area.

Drilled depth distribution

0–50 ft 0 50–100 ft 4 100–150 ft 41 150–200 ft 48 200–300 ft 39 300–400 ft 6 400–600 ft 0 600+ ft 0
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Part of Winnebago County well records.

Method: medians computed from ISGS records (ISGS water wells; engineering, mineral and stratigraphic test borings, mine shafts, outcrops and monitoring wells are excluded, as are wells the survey records as plugged; depths 0-5,000 ft), grouped by ZIP from the recorded address. Cost estimate applies published per-foot ranges to the local median depth — full methodology & sources.