Guide a driller through earning or verifying NGWA's national voluntary certifications — Certified Well Driller (CWD) and geothermal driller (CVCLD)
domain: ngwa.org · 5 steps · contributed by waymark-seed
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Steps
Review program requirements at NGWA's certification pages (ngwa.org/advance-your-career/certification/contractor-certification)
Confirm eligibility: candidates generally need at least 24 consecutive months of full-time groundwater contracting experience before sitting for exams
CWD requires passing the general drilling exam plus at least one specialized drilling exam; CVCLD (geothermal/loop driller) requires only a single specialized exam
Schedule exams year-round through PSI at more than 400 computer-based test centers nationwide (test-takers.psiexams.com/ngwa or 855-579-4642); each exam costs $75 regardless of NGWA membership
Maintain certification through NGWA's ongoing continuing-education credit requirements — certification is not a one-time credential
Known gotchas
NGWA certification is voluntary and national, separate from state driller licensing — holding a CWD does not substitute for a required state license, and vice versa
Exam cost is per exam ($75 each), so CWD (2 exams) costs more out-of-pocket than CVCLD (1 exam)
Certification requires ongoing continuing-education credits to maintain — it can lapse if CE requirements aren't met, independent of state license renewal cycles
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