Water Testing Laboratory, Nassau County NY
On Site Laboratory Tap Water Testing
- DOH / DEP / EPA / NELAP Standards
- Residential & Commercial
- E. coli and Total Coliform
- Heterotrophic Plate Count
- Heavy Metals
- Chemicals
- Microplastics
- Iron
- Lead
- Copper
- PFAS / PFOS
- VOCs
- HAA5
- All Contaminants
Celebrating New York's #1 Consumer Choice for 35 Consecutive Years
Olympian Water Testing delivers expert water testing and analysis, targeting contaminants like microplastics, PFAS, VOCs, heavy metals, E. coli, total coliform, Legionella, and more. As the trusted choice for on-site laboratory testing, we adhere to top DOH, DEP, EPA, and NELAP standards. Our dedicated Client Services Team is available around the clock, every day of the year, ensuring reliable support whenever you need it.
How We Can Help
Ensuring Tap Water Quality in Nassau County, NY: Reliable testing services, comprehensive analysis, and prompt results. Complete contaminant solutions for both residential and commercial needs.
Mobile Laboratory
Sampling

residential
Providing households with clean and safe water through thorough water testing services and contaminant assessment for dependable, worry-free living.

commercial
Trusted water testing services for businesses in Nassau County, NY, delivering comprehensive contaminant evaluations to maintain safety and compliance across your property.

Potability
Confirming the potability of drinking water with rigorous water testing lab services and extensive contaminant analysis for pure, trustworthy water you can rely on in Nassau County.

Pools and Spas
Comprehensive testing for pools and spas ensures clean and safe water free from impurities for a healthier recreational experience.

Lead and Copper
Accurate detection of lead and copper, ensuring water safety and health through precise analysis in Nassau County, NY.

Schools
Protecting schools with reliable water testing, ensuring a secure, contaminant-free environment for students and staff.

Bacteria
Thorough bacteria testing to ensure water safety, identifying harmful pathogens to safeguard health and provide peace of mind.

Microplastics
Advanced microplastic testing, maintaining water purity by detecting and analyzing even the smallest plastic contaminants in Nassau County.
Why Choose Olympian Water Testing?
Choose Olympian Water Testing for expert, on-site analysis and trusted results that meet the highest regulatory standards for water safety.
Latest Technology
Accurate
Cost-Effective
Fast Results
Our Standards
What Our Clients Say
Contact Client Services
- ONLINE NOW
Trusted Partners
At Olympian Water Testing™, we’re dedicated to a cleaner, healthier planet, making a positive impact through every service we provide. Thank you for choosing us as your trusted sustainability partner.
East Village: 10009, West Village: 10014, Greenwich Village: 10012, DUMBO: 11201, Chinatown: 10013, Hell’s Kitchen: 10018, 10019, Gramercy Park: 10003, Lower Manhattan: 10004, 10005, Midtown Manhattan: 10001, 10016, Tribeca: 10007, Upper East Side: 10021, 10028, Upper West Side: 10023, 10024, Chelsea: 10001, Washington Heights: 10032, SoHo: 10013, Roosevelt Island: 10044, Morningside Heights: 10027, Lower East Side: 10002, Inwood: 10034, Harlem: 10026, 10027, 10030, 10037, 10039, Financial District: 10004, 10005, Fifth Avenue: 10022, Central Park West: 10023, Bowery: 10012, Battery Park: 10280