top of page

Role of Water Quality in Infection Control for Dental Clinics in Tampa Bay, Florida

Water quality plays a critical role in dental infection control.
Water quality plays a critical role in dental infection control.

Proper infection control is critical for dental clinics to ensure the health and safety of patients and staff. One important but often overlooked aspect of infection control is maintaining high water quality. The water used in dental clinics comes into contact with patients' mouths and dental instruments, making it a potential source of dangerous microorganisms if not properly treated and monitored. This article will examine the role of water quality in infection control for dental practices in Tampa Bay, Florida.

How Dental Clinic Water Becomes Contaminated

There are several ways that poor water quality in dental clinics can occur:

  • Biofilm buildup in plumbing: Stagnant water allows biofilm - a slimy buildup of bacteria and fungi - to accumulate on pipe walls. Pieces of biofilm can slough off into the water supply.

  • Backflow contamination: Improper plumbing can allow contaminated water to flow backwards into the clean water system.

  • Groundwater contamination: Clinics using well water are vulnerable to contaminants seeping in from soil or waste sources.

  • Corrosion of plumbing: Lead, copper, and iron from corroded pipes can leach into the water.

  • Poor disinfection: Water may not be properly disinfected before reaching the clinic.

Tampa Bay's warm climate and older infrastructure increase the risk of biofilm growth and corrosion in dental clinic plumbing.

Dental Waterline Contaminants

Numerous hazardous microorganisms can lurk in dental clinic waterlines:

  • Pseudomonas aeruginosa: Causes serious infections in wounds, ears, eyes, and lungs. Resistant to disinfection.

  • Legionella pneumophila: Causes Pontiac Fever and Legionnaires’ Disease. Thrives in warm water environments.

  • Non-tuberculous mycobacteria (NTM): Slow-growing opportunistic pathogens that can cause lung disease.

  • Coliform bacteria: Fecal contaminants that indicate potential presence of pathogens like E. coli.

  • Endotoxins: Toxins released by dying bacteria that can cause fever, inflammation, and sepsis.

Routine testing is required to detect and monitor these contaminants.

Dangers of Contaminated Dental Water

Contaminated dental water poses grave risks to patients and staff:

Patient Infections

Microorganisms in water used during dental procedures can be aerosolized and inhaled or enter the bloodstream through micro-abrasions. Patients may develop respiratory illness or serious blood infections. Those with compromised immune systems are especially vulnerable.


Bacteria present in dental unit waterlines can cross-contaminate multiple patients treated at the clinic. Infections may be transmitted even with diligent sterilization of instruments.

Biofilm Exposure

Pathogens living in biofilm colonies can detach and enter patients' mouths through treated water, increasing infection risk. Biofilms are highly resistant to disinfection.

Staff Illnesses

Prolonged exposure to contaminated aerosols and water contact puts dental personnel at risk of illness - especially respiratory diseases like pneumonia.

Legal & Regulatory Issues

Allowing unsafe water quality can result in lawsuits, regulatory action, and damage to the clinic's reputation. Meeting required standards is essential.

Water Quality Regulations for Dental Clinics

Standards and regulations exist to enforce dental water safety:

  • CDC recommendation: <500 CFU/mL of heterotrophic water bacteria

  • American Dental Association: <200 CFU/mL for routine testing

  • Florida health code requires dental clinics adhere to ADA standards

  • EPA drinking water standards also apply to dental clinic water

Clinics must test water quality on a routine basis and demonstrate compliance.

Solutions for Optimizing Dental Water Quality

To optimize infection control, dental clinics should take these steps:

Install Water Treatment Systems

Advanced water purification systems like reverse osmosis and ultrafiltration remove contaminants and prevent biofilm growth in dental unit waterlines:

Use Sterile Water as Final Rinse

Using distilled, filtered, or boiled water for the final rinse will kill remaining microorganisms. CDC recommends this vital step.

Flush Waterlines Daily

Flushing dental unit waterlines for several minutes at the start of each day eliminates stagnant water where biofilms can grow.

Frequently Change Waterline Filters

Replacing hollow fiber filters per manufacturer guidelines helps remove contaminants before they enter waterlines.

Maintain Strict Disinfection Protocol

Proper heat sterilization of dental equipment between patients kills pathogens. Use bio-film-penetrating disinfectants.

Test Water Quality Regularly

Monthly testing ensures contamination is caught quickly before it endangers patients and staff.

Partnering with a Water Quality Specialist

With water quality playing such a critical role in infection control, dental clinics should partner with a water quality specialist like Aqua-Wise Water Treatment Solutions to implement and maintain dental water safety measures. Their experienced team can design an effective water treatment system tailored to your clinic's needs while providing ongoing maintenance, monitoring, and compliance reporting services.

Investing in premium water quality generates immense benefits for your practice - protecting your patients, team, and reputation while demonstrating your commitment to safety and regulatory requirements. Don't leave water quality to chance.

Don't wait - act now to protect your patients and your practice. Aqua-Wise is offering new dental clinic customers financing on water treatment systems, free installation, and discounts on multi-year service plans.


  • Centers for Disease Control and Prevention. Guidelines for Infection Control in Dental Health-Care Settings — 2003. MMWR, December 19, 2003 / 52(RR17);1-61.

  • United States Environmental Protection Agency. Creating a Water Quality Protection Program for Dental Clinics. December 2016.

  • Florida Administrative Code 64B5-14.006 - Infection Control.

  • American Dental Association. ADA Water Quality & Regulatory Affairs.


Rated 0 out of 5 stars.
No ratings yet

Add a rating
bottom of page