NYS ELAP

Certified Results

NELAP

Accredited Analysis

Full COC

Chain of Custody

EPA

Approved Methods

35+

Years in Service

24/7

Available

NELAP Accredited · NYS ELAP Certified · New York · New Jersey · Connecticut · Since 1991

Water Testing

Laboratories.

Olympian Water Testing — NELAP accredited, NYS ELAP certified water testing laboratories serving all property types across New York, New Jersey, and Connecticut. Lead, bacteria, PFAS, Legionella, private wells, and all contaminants.

NYS ELAP Certified Results

NELAP Accredited Analysis

Full Chain of Custody

EPA-Approved Analytical Methods

ISO 11731

Certified Water Testing Experts

35+ Years · Since 1991

Water Testing Laboratory Services

Certified laboratory water testing

Lead · Bacteria · PFAS · Legionella · 1,4-Dioxane · Arsenic · Nitrates · Radon · VOCs · Multi-draw diagnostics · Water quality reports — all services with certified results

Lead Testing & Heavy Metals Analysis

Certified lead, copper, arsenic, iron, manganese, and zinc testing at the point of use. NYS ELAP certified results for all property types.

EPA 200.8
Bacteria Testing & Potability Analysis

Total coliform, E. coli, HPC, and potability testing. Required for food businesses, schools, commercial properties, and PWTA compliance.

SM 9223B
Legionella Water Testing

Point-of-use Legionella analysis at showers, faucets, pools, spas, and decorative water features. Certified results for all property types.

ISO 11731
PFAS & 1,4-Dioxane Analysis

PFOA, PFOS, NJ MCL-compliant analysis, NYS 1,4-dioxane 1 ppb comparison. No color, taste, or odor — only certified lab detects them.

EPA 533/537.1/522
Private Well Water Testing

Bacteria, arsenic, nitrates, radon, PFAS, 1,4-dioxane, iron, manganese, pH, hardness, VOCs. Annual and PWTA-compliant panels.

Multiple Methods
Multi-Draw Diagnostic Analysis

Sequential certified sampling identifies contamination source — fixture, branch pipe, or building riser. Full diagnostic report with findings.

Diagnostic

Who We Serve

Water testing laboratory clients

Property Management Companies

Ongoing certified testing programs — lead, potability, Legionella, annual water quality analysis for multi-building portfolios.

Co-ops, Condos & Hi-Rise Buildings

Building-wide lead testing, Legionella sampling, and certified water quality analysis for residential towers.

Schools, Daycares & BOCES

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

Restaurants & Food Businesses

DOH compliance water testing. Certified potability and bacteria accepted by NYC DOH, NJ DEP, CT DOH.

Private Well Homeowners

Annual and PWTA-compliant analysis for Long Island, NJ, and CT private well properties.

Tenants, Renters & Landlords

Unit-level and building-wide certified water testing with regulatory-accepted results.

Home Buyers & Sellers

Pre-purchase and pre-listing certified water quality panels. Accepted by real estate attorneys.

Commercial Properties & Hotels

Certified water testing programs for commercial buildings, hotels, and multi-use properties in NY, NJ, CT.

From consultation to certified results

Step 01
Consultation

Speak with our certified water testing consultants to determine the right laboratory testing panel, sampling locations, and compliance requirements for your property.

Step 02
Certified On-Site Sampling
Certified specialists collect samples at your property following EPA-approved protocols with full chain-of-custody documentation from collection through laboratory analysis.
Step 03
Laboratory Analysis
NELAP Accredited Analysis using EPA-approved analytical methods. Results certified by NYS ELAP. Every analyte compared against EPA action levels and state MCLs.
Step 04
Certified Reports Delivered
Water quality reports with EPA and state action level comparisons, plain-language findings, compliance documentation, and expert guidance. Accepted by regulatory agencies and attorneys.

Speak with a certified water testing laboratory expert

(212) 461-3879

Certified water testing laboratory services for New York City (all five boroughs), Westchester County, and Long Island. All property types. All contaminants. Available 24 hours, 365 days.

Manhattan · Brooklyn · Queens · The Bronx · Staten Island · Westchester · Long Island

(908) 772-8601

Certified water testing laboratory services for New Jersey including Bergen, Essex, Morris, Hudson, Union, Middlesex, Monmouth, Somerset, and Hunterdon counties. PWTA compliance available.

Bergen · Essex · Morris · Hudson · Union · Middlesex · Monmouth · Somerset · Hunterdon

(203) 780-2022

Certified water testing laboratory services for Connecticut — Fairfield, New Haven, and Litchfield counties. Residential, commercial, private well, and institutional properties.

Fairfield County · New Haven County · Litchfield County

Water testing laboratory 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.
Yes. Accepted by NYC DOH, NYS DOH, NJ DEP, CT DEEP, EPA programs, local health departments, building attorneys, real estate professionals, and mortgage lenders across New York, New Jersey, and Connecticut.
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).
Residential homes, co-ops, condominiums, pre-war buildings, brownstones, multi-family buildings, private wells, commercial buildings, hotels, restaurants, food businesses, schools, daycares, BOCES, hospitals, property management portfolios, and all other property types.

Blog

Water testing laboratory resources

A Queens Homeowner’s Guide to Testing Water After Plumbing Repairs

A Queens Homeowner’s Guide to Testing Water After Plumbing Repairs

Start with what the household is actually noticing Plumbing repairs can change more than what the eye can see. In Queens private homes, attached homes,…

Why Children and Lead Should Stay at the Center of Water Decisions

Why Children and Lead Should Stay at the Center of Water Decisions

Start with what the household is actually noticing A water concern becomes much more personal when children are involved. In NYC and North New Jersey…

What Families in Bergen County Should Do When the Water Looks Wrong

What Families in Bergen County Should Do When the Water Looks Wrong

Start with what the household is actually noticing Cloudy water, brown water, visible particles, or an unusual film can make a family lose confidence quickly.…

Water Testing Laboratory Service Areas

NY · NJ · CT

  • NYC Five Boroughs
  • Westchester County
  • Long Island (Nassau & Suffolk)
  • New Jersey Counties
  • CT Fairfield, New Haven, Litchfield
  • All Property Types
Manhattan
Brooklyn
Queens
The Bronx
Staten Island
Westchester
Long Island
Bergen County
Jersey City
Essex County
Fairfield CT
New Haven CT

Certified Water Testing Laboratories in NY, NJ & CT

All property types · All contaminants · Certified laboratory analysis with fast, accurate results you can rely on.

NYS ELAP Certified Results
NELAP Accredited Analysis
EPA-Approved Analytical Methods
Full Chain of Custody
Certified Water Testing Experts
Available 24/7, 365 Days
35+ Years in Service — Since 1991
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