Mark Blackburn
Recorded as the driller on 1,551 water wells across 7Washingtoncounties in Washington State Department of Ecology well construction reports, most in Clark County. Well-log records span 1978–2026.
Counties served
Wells drilled by Mark Blackburn, by county, across the full record.
| County | Wells drilled |
|---|---|
| Clark County | 1,277 |
| Skamania County | 190 |
| Cowlitz County | 56 |
| Klickitat County | 13 |
| Wahkiakum County | 13 |
| Franklin County | 1 |
| Pacific County | 1 |
Well characteristics
Across the wells Mark Blackburn has drilled, the median depth is 183 ft (middle half 128 ft–300 ft), median tested yield 15 gpm, and median static water level 84 ft below ground surface. These summarize the company's own filed logs, not a marketing claim.
Original drilling logs
Recent well logs filed by Mark Blackburn, straight from the public Ecology record:
"Records span 1978–2026" refers to the earliest and latest well logs attributed to this company in the Ecology database — the state digitized older paper logs, so the first date is the oldest record on file, not necessarily the company's founding year.
Free. Goes to licensed drillers working Clark County, including Mark Blackburn.
Is this your company?
This page is built from the public Ecology well-log record and helps property owners find a driller. Claim it (free) to confirm the details are right and give customers a way to reach you.
This directory helps property owners find a driller, using public Ecology records. Claim your page to confirm the details are accurate and give customers a way to reach you. Free — reviewed before anything goes live.