⟁ Texas Water Well Reports field records · 2026 survey

Texas Water Well Reports › Brewster County › Marathon (79842)

Marathon, TX (79842): well depth, water level & drilling cost

✓ 77 TDLR SDR records · Brewster County

302 ftmedian well depth
205 ft–477 fttypical depth range
111 ftmedian static water level
30 gpmmedian yield (68 tests)

How deep are wells in Marathon (79842), Texas?

The median drilled well depth in Marathon (79842) is 302 ft, based on 77 wells with recorded depths in the state TDLR SDR database. Half fall between 205 ft and 477 ft; 90% are shallower than 642 ft.

How much does it cost to drill a well in Marathon (79842)?

Applying published per-foot rates to the local median depth of 360 ft: drilling and casing alone typically runs $9,000–$23,400; a complete system including pump, pressure tank, and hookup typically runs $21,600–$36,000. Actual quotes depend on site access, geology, and casing requirements.

What is the static water level in Marathon (79842)?

The median static water level is 111 ft below ground surface (middle half of wells: 83 ft–141 ft), from 72 measurements.

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Drilled depth distribution

0–50 ft 0 50–100 ft 0 100–150 ft 5 150–200 ft 6 200–300 ft 22 300–400 ft 18 400–600 ft 16 600+ ft 10
Looking at a specific property in Marathon (79842)?

See every recorded well near any address — depths, water levels, yields, original driller's logs — in a one-time report.

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Part of Brewster County well records.

Method: medians computed from TDLR SDR records (water-supply wells only (domestic, irrigation, stock, public supply, industrial) — monitoring, environmental borings, test holes, injection and geothermal excluded; 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.