Washington Well Data field records · 2026 survey

Washington Well DataWhatcom County › Custer (98240)

Custer, WA (98240): well depth, water level & drilling cost

✓ 135 Ecology records · Whatcom County

28 ftmedian well depth
24 ft–51 fttypical depth range
9 ftmedian static water level
15 gpmmedian yield (53 tests)

How deep are wells in Custer (98240), Washington?

The median drilled well depth in Custer (98240) is 28 ft, based on 135 wells with recorded depths in the state Ecology database. Half fall between 24 ft and 51 ft; 90% are shallower than 166 ft.

How much does it cost to drill a well in Custer (98240)?

Applying published per-foot rates to the local median depth of 27 ft: drilling and casing alone typically runs $675–$1,755; a complete system including pump, pressure tank, and hookup typically runs $1,620–$2,700. Actual quotes depend on site access, geology, and casing requirements.

Get quotes from drillers who work in Custer (98240)

Free for property owners. We route your request only to licensed drillers who actually file well logs in Whatcom County — never sold elsewhere.

What is the static water level in Custer (98240)?

The median static water level is 9 ft below ground surface (middle half of wells: 6 ft–13 ft), from 59 measurements.

Pull every recorded well near a Custer (98240) address — $19

Bad well water in Whatcom County?

Iron staining, rotten-egg smell, hard water, or a failed test at closing — Salish Water Works, a new Puget Sound company, publishes its treatment systems and planned prices up front and specs the fix from your water test. No in-home sales visit. Installation opens Fall 2026; the waitlist is open now and waitlist members get first slot priority.

See planned systems & pricing → salishwaterworks.com

Drilled depth distribution

0–50 ft 100 50–100 ft 13 100–150 ft 7 150–200 ft 7 200–300 ft 2 300–400 ft 4 400–600 ft 2 600+ ft 0
Looking at a specific property in Custer (98240)?

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

Free lookup Property report — $19

Part of Whatcom County well records.

Method: medians computed from Ecology records (water wells only — soil/environmental borings and decommissions 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.