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Clark County · WA

Wells in Clark County

62,295 recorded wells, 58,457 with verified depth. Here's what the drilling records say and what the permit takes.

Depth, from the records

40ft median drilled depth
p10 · 12 ftp90 · 238 ft

Eight of ten wells in Clark County finished between 12 and 238 feet. Budget to the deep end; celebrate the shallow one.

Median reported yield: 20 gpm

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The permit in Clark County

Files onlineverified landing

Clark County Public Health — well site evaluation

WAC 173-160 + county well-site evaluation

Instrument
well-site evaluation + state NOI
Fee
Call to confirm
Who files
Driller or owner may file
Timeline
NOI ≥72h before drilling (state)

County well-site evaluation in addition to Ecology NOI $200/$300

Before the rig arrives

  1. Confirm parcel allows a private well (vs required public water connection).
  2. Select a licensed well contractor; obtain owner authorization as required.
  3. File well-site evaluation + state NOI online via the authority portal (deep-link below).
  4. Provide site plan: proposed well, septic, property lines, structures.
  5. Schedule site evaluation / sanitary survey if required.
  6. Do not drill until authorization is issued (or notification accepted, per regime).

After drilling: Well report ≤30d (My Driller Portal) within 30 days → WA Dept of Ecology Well Construction

Open the filing portal ↗

WellMap prepares estimate-backed quote packets and dual-party approvals. It does not issue permits and never auto-submits to government systems. The licensed driller (and/or owner where required by law) is the submitter of record. Verified 2026-07-14.