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Certified Vertical Closed Loop Driller

certifying organization info

National Ground Water Association
Certified Vertical Closed Loop Driller
601 Dempsey Road, Westerville
OH 43081


The designation reflects an individual who has passed a written exam administered by NGWA that evaluates an individual's knowledge of the skills and competencies associated with constructing a loop well.

Certified Vertical Closed Loop Driller Website


Work Experience Required? Yes

Oral or Written Exam Required? Yes

Renewal Required? Every 1 Year(s)

Renew through Continuing Educational Units(CEU)? Yes

Renew through Re-Examination? No

Renew through Continuing Professional Development(CPD)? No

Does applicant have choice of at least two options from above for renewal (CEU, CPD, or exam)? No

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