Regulatory Reference3 states verified
Dental Waterline Regulations by State
Which states have written dental unit waterline testing into administrative rule, what each requires, and how the rest are enforced.
ReadComplianceState Reference
Georgia Dental Waterline Requirements
Dental unit waterlines must be tested at least quarterly, with a testing and maintenance log retained for at least five years.
Published by LineTabUpdated Sources checked
What the cited provision requires
| Requirement | Details |
|---|---|
| Water quality standard | Water used for nonsurgical procedures must meet the EPA regulatory standard of 500 or fewer CFU/mL. |
| Testing frequency | At least quarterly. |
| Sampling method | Lines may be tested individually or as a pooled sample of up to ten lines using an equal volume from each. |
| After plumbing work | Test within 30 days of repair or changes to plumbing. |
| Records | A log of testing and maintenance, including dates, the individuals who performed it, and independent testing reports, retained for at least five years. |
Apply the requirement to your practice record
- List every unit and waterline, with the equipment instructions and required sample schedule.
- If pooling is permitted, record included lines, equal-volume collection, and the applicable limit on lines per sample.
- Keep the collector, dates, method, report, treatment, and any corrective-action and retest record together.
- Review plumbing or equipment changes for additional test triggers, and retain records for the required period.
Sources
- Ga. Comp. R. & Regs. r. 150-8-.05Georgia official legislative or administrative source · Last checked October 5, 2026
Requirements vary by state and by equipment manufacturer. Always follow your dental unit and treatment product instructions for use, and confirm current rules with your state dental board.