NELAP Accredited · NYS ELAP Certified · NY · NJ · CT · Since 1991

Certified Water Testing Companies.

Olympian Water Testing provides certified water testing and analysis across New York, New Jersey, and Connecticut for residential, commercial, educational, and industrial properties.
01
Lead Testing
Certified lead and heavy metal water analysis for homes and buildings.
02
Bacteria & Potability
Drinking water safety testing for coliform, E.coli, and potability.
03
Legionella Testing
Certified Legionella water sampling and compliance testing services.
04
PFAS & Chemicals
Advanced contaminant and PFAS analysis using EPA-approved methods.
05
Private Well Testing
Comprehensive well water analysis for homeowners and buyers.
06
Diagnostic Analysis
Advanced testing for unusual water quality and contamination issues.
07
Schools & 3Ts
Water testing programs for schools and childcare facilities.
08
Water Quality Reports
Easy-to-read certified reporting for compliance and property records.

NELAP Accredited · NYS ELAP Certified · NY · NJ · CT · Since 1991

Certified Water Testing

Companies.

Olympian Water Testing — NELAP accredited, NYS ELAP certified water testing across New York, New Jersey, and Connecticut. All property types. All contaminants.

Lead Testing

Bacteria & Potability

Legionella

PFAS & Chemicals

Private Well Testing

Diagnostic Analysis

Schools & 3Ts

Water Quality Reports

NYS ELAP Certified Results
NELAP Accredited Analysis
Full Chain of Custody
EPA-Approved Methods
35+ Years — Since 1991

Water Testing Services

Certified laboratory water testing — all services

Click a category to expand. All services include certified results, water quality reports, and expert consultation.

Lead & Heavy Metals Pb, Cu, As, Fe, Mn, Zn at point of use. NYS ELAP certified results. EPA 200.8
PFAS Analysis PFOA, PFOS, PFNA, and related compounds. NJ MCL-compliant. EPA 533/537.1
1,4-Dioxane NYS 1 ppb MCL comparison. Long Island and NJ groundwater. EPA 522
VOCs & Organics Volatile organic compounds including benzene, toluene, and trihalomethanes. EPA 524.2
Bacteria & Potability Total coliform, E. coli, HPC, and potability analysis at point of use. SM 9223B
Legionella Point-of-Use Legionella at showers, faucets, pools, spas. ISO 11731
Private Well Panel Bacteria, arsenic, nitrates, radon, PFAS, 1,4-dioxane, iron, manganese, pH, hardness. Multiple
PWTA Compliance NJ Private Well Testing Act compliance analysis accepted by NJ DEP. PWTA
Arsenic & Nitrates Naturally occurring NJ and LI groundwater contaminants. EPA 200.8/300.0
Multi-Draw Diagnostic Sequential sampling identifies contamination source — fixture, pipe, or riser. Diagnostic
Water Quality Reports Certified reports with EPA action level comparisons and expert findings. All Services

Who We Serve

Water testing for all property types

Property Management Companies

Certified water testing programs for property management companies managing multi-building portfolios. Lead, potability, Legionella, and annual water quality analysis.

EPA 200.8

Co-ops, Condos & Apartments

Building-wide lead testing, Legionella sampling, and water quality programs for co-op boards, condo associations, and multi-family buildings.

EPA 200.8

Restaurants & Food Businesses

DOH compliance water testing for food businesses. Certified potability, bacteria, and E. coli analysis accepted by NYC DOH, NJ DEP, and CT DOH.

Diagnostic
Schools, Daycares & BOCES

Lead testing under NYS 3Ts program. Certified results, compliance reports, and remediation guidance.

3Ts / NYS ELAP
Private Well Homeowners & Buyers

Annual well testing and PWTA-compliant analysis. Pre-purchase panels accepted by real estate attorneys.

EPA 200.8

Tenants, Renters & Landlords

Individual unit and building-wide water testing. Certified results accepted by regulatory agencies and attorneys.

EPA 200.8

How certified water testing works

01

Consultation

Determine appropriate testing panels and sampling locations for your property.

02

Certified On-Site Sampling

EPA-approved on-site sampling with full chain-of-custody documentation.

03

Lab Analysis

NELAP accredited analysis. Results certified by NYS ELAP.

04

Reports Delivered

Certified water quality reports with EPA action level comparisons and findings.

Speak with a certified water testing expert

Olympian Water Testing is the name to know when you are searching for reliable water testing companies in NYC, because we make understanding your water simple, clear, and stress-free. As a certified and licensed water testing company, we serve residential and commercial properties across Brooklyn, Queens, Manhattan, the Bronx, and Staten Island, helping homeowners, businesses, and property management companies feel confident about what comes out of every tap. Our experts deliver dependable water quality and water analysis services tailored to your property, and a quick conversation with our consultant is all it takes to choose the right tests, plan your sample collection, and stay aligned with the standards that apply to your building. Our services cover the tests that matter most, including lead testing, potability testing, and bacteria testing, plus screening for e coli, total coliform, and turbidity, along with legionella testing, PFAS testing, and microplastics testing for properties of every size. Every sample is processed to deliver NYS ELAP Certified Results and NELAP Accredited Analysis, backed by lab-quality care and clear, fully documented reporting for everyday peace of mind or formal compliance. From a single check to a complete panel, our certified experts handle collection, evaluation, and detailed reports, so NYC property owners get the kind of honest service that makes choosing the right water testing company an easy decision.

New York
New Jersey
Connecticut
(212) 461-3879
Serving NYC five boroughs, Westchester County, and Long Island — all property types, all contaminants, 24 hours, 365 days.

Water testing company questions

NYS ELAP certified results. NELAP accredited analysis. Every sample processed under full chain-of-custody protocols with EPA-approved analytical methods. EPA-approved analytical methods. Full chain of custody on every sample. 35+ years in service since 1991.
New York (all five boroughs, Westchester, Long Island), New Jersey (Bergen, Essex, Morris, Hudson, Union, Middlesex, Monmouth, Somerset, and Hunterdon counties), and Connecticut (Fairfield, New Haven, and Litchfield counties).
Yes. Property management companies, co-op boards, condo associations, apartment buildings, restaurants, food businesses, schools, daycares, BOCES, hospitals, hotels, and all commercial property types.
 
Yes. Accepted by NYC DOH, NYS DOH, NJ DEP, CT DEEP, EPA programs, local health departments, building attorneys, real estate professionals, and mortgage lenders.

Blog

Water testing resources

What Water Testing Can Tell Queens Families About Bacteria Concerns at Home

What Water Testing Can Tell Queens Families About Bacteria Concerns at Home

For families in Queens, concerns about water quality often arise from aging infrastructure or changes in tap water appearance. While New York City’s municipal water…

Why Brown Water in Park Slope Brownstones Should Not Be Dismissed Too Quickly

Why Brown Water in Park Slope Brownstones Should Not Be Dismissed Too Quickly

There are few things as unsettling to a homeowner as turning on the kitchen faucet in the morning, expecting a crystal-clear stream of water, and…

A Jersey City Parent’s Guide to Lead and Children’s Everyday Water Exposure

A Jersey City Parent’s Guide to Lead and Children’s Everyday Water Exposure

In a Jersey City family home, drinking water questions often begin with one observation: the water tastes different, a child uses a certain sink every…

Service Areas

NY · NJ · CT

  • NYC Five Boroughs
  • Westchester & Long Island
  • NJ Bergen, Essex, Morris
  • Jersey City & Hudson County
  • CT Fairfield, New Haven
  • All Property Types
Manhattan
Brooklyn
Queens
The Bronx
Staten Island
Westchester
Long Island
Bergen County
Jersey City
Essex County
Fairfield CT
New Haven CT

Find the right certified water testing company for your property.

NY · NJ · CT · All property types · NELAP accredited · NYS ELAP certified.

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