RECENT PROJECTS ★★★★★
Hewitt, Passaic County, NJ 18-compound PFAS panel for a New Jersey Spill Fund-related property assessment. Flatiron, Manhattan Sixteen-parameter metals and minerals panel for a wellness facility's cold-plunge tub. Staten Island, NY Multi-family building lead and potability testing with revised final report. Central Park West, Manhattan Apartment Legionella testing with full culture, speciation and revised reporting. Brewster, Putnam County, NY Eight-point office Legionella screening found elevated L. pneumophila at two matching fixtures. Bethpage, Long Island, NY Multi-point potability testing for a food-service facility, with every sample passing. Forest Hills, Queens Point-of-use potable water testing for a Forest Hills cooperative apartment. Bushwick / East Williamsburg, Brooklyn Six-fixture federal office screening for Legionella, bacteria, lead and copper; all samples passed. Sunset Park, Brooklyn Twenty-sample academy lead assessment across two events, each with electronic data deliverables. Fort Totten, Queens, NY Metals, chemistry and bacteria testing across two U.S. Army Reserve building systems. East Village, Manhattan Preschool lead and potability assessment in Lower Manhattan, delivered with EDD for regulatory submission. First Avenue, Manhattan Expedited Legionella testing for a Manhattan construction site's compliance timeline. Upper East Side, Manhattan High-rise apartment lead and potability testing. Ossining, Westchester County, NY Expedited Legionella testing at a state correctional housing unit following a positive case. Norwalk, Fairfield County, CT Comprehensive 83-parameter potability and microplastics baseline for whole-house filtration planning. Lower Manhattan Transit Hub Pre-opening potable-water clearance for a national restaurant at a Lower Manhattan transit hub. Far Hills, Somerset County, NJ Private well panel completed for a homeowner water quality assessment. Upper East Side, Manhattan Multi-unit potable water testing across four residential apartments held by a foreign consulate. Corona, Queens Four lead-testing campaigns for an educational center, with complete regulatory documentation. LaGuardia Airport, Terminal B, Queens Three potable-water sampling events at a LaGuardia Airport terminal, with full electronic data deliverables. Union Square / Flatiron, Manhattan Three-point E. coli and coliform monitoring from municipal entry to the roof-level supply. East Hampton, NY Full-spectrum residential baseline across three points; every parameter passed applicable standards. Jamaica, Queens GSA commissioning panel for new fixtures, including lead, copper and Legionella under AWWA C651. Liberty Township, Warren County, NJ Private well bacteria-failure resampling and revised reporting completed before closing. East Hampton, Long Island, NY Full private well panel, expanded to include radiological analysis. Morristown, Morris County, NJ Private well bacteria-failure resampling and revised reporting completed before a real estate closing. Manhattan Valley (Upper West Side), Manhattan Five-point testing cleared the city main and isolated corrosion and sulfide issues within the property. East 76th Street, Manhattan Upper East Side residential engagement including Legionella analysis alongside the standard potable panel. Newark, NJ Charter school lead testing with EDD and Appendix D regulatory reporting. Rego Park, Queens Early childhood center lead testing with full report, invoice, and RegComp package. Brooklyn Heights, Brooklyn Condominium testing identified iron-reducing bacteria as the likely cause of discolored hot water. Staten Island, NY Repeat hydrant and water-main clearance testing at two Staten Island construction sites, all clean. Carteret, Middlesex County, NJ PWTA source verification established municipal water service for a New Jersey real estate transaction. Bernardsville, Somerset County, NJ Expanded PWTA home-sale panel across raw and treated water; every primary standard passed. Bay Ridge, Brooklyn Residential potable water analysis for a Brooklyn property. Lincoln Square, Manhattan Lead testing at 11 early-childhood fixtures, sampled before program hours. LaGuardia Airport, Queens Annual aviation wastewater panel covering metals, VOCs, SVOCs, PCBs and 40 PFAS compounds. Chelsea, Manhattan Three-point E. coli and coliform testing across a commercial building's vertical water supply. South Plainfield, Middlesex County, NJ DI water testing confirmed no bacteria and conductivity within ASTM Type II range. Chester, Morris County, NJ PWTA well panel completed for a real estate transaction. Upper East Side, Manhattan Legionella panel at a East 70th Street residential property, run alongside the standard potable panel. Edison, Middlesex County, NJ Multi-day municipal park testing with 11 expedited E. coli and coliform samples per day. Jackson Heights, Queens Development center lead and potability testing with report and RegComp. Upper East Side, Manhattan Legionella testing found two serogroups across four points, indicating a shared-building source. Inwood, Manhattan Two-phase cooperative apartment testing paired a 30-parameter panel with a targeted bacterial retest. Prospect Avenue, Bronx Three lead-testing campaigns for a Bronx Head Start early-childhood program. Upper Manhattan Emergency bacteria testing isolated contamination to an unknown foundation source, not the potable tap. Governors Island, NY Recurring facility potable water monitoring, prior-year sampling event. Greenpoint, Brooklyn Industrial process-water metals testing identified very high nickel in a pre-treatment stream. Saddle River, Bergen County, NJ Private well panel expanded to include gross alpha radiological and PFAS analysis, treated and untreated points. Long Island City, Queens PFAS and lead panel for a Long Island City multi-family property, including a report amendment to add the lead parameter. Ridgewood, Queens Ten point-of-use lead assessment, 20 total samples, for a Queens multi-family ownership group. Kips Bay, Manhattan Annual 17-point deionized-water purity testing for a global pharmaceutical facility. Clinton Hill / Bed-Stuy, Brooklyn Metals, minerals and corrosivity testing cleared a federal facility after discoloration complaints. Bridgewater, Somerset County, NJ Expanded PWTA well testing found a PFAS exceedance requiring disclosure before a home sale. Upper West Side, Manhattan K-8 school lead testing found one elevated fixture while clearing the remaining campus outlets. West Islip, Suffolk County, NY Microplastics testing evaluated a countertop filter; no particles were detected. Flatiron District, Manhattan Three-point E. coli and coliform testing across a commercial building returned clean results. Kingsbridge, Bronx Preschool potable water and lead assessment in the North Bronx. Tribeca, Manhattan Tribeca high-rise baseline covered hot and cold water, with no PFAS or microplastics detected. Staten Island, NY Two-point E. coli and coliform testing documented potable-water compliance for a contractor. Highbridge, Bronx Potable water testing for a Bronx community development organization's facility. Peapack, Somerset County, NJ New Jersey PWTA-compliant private well panel completed for a real estate transaction. Upper East Side, Manhattan Three-point residential metals and corrosivity panel confirmed all results within applicable standards. Staten Island, NY Annual seafood-facility bacteria testing included a clean resample after ice-machine remediation. Governors Island, NY Six-event quarterly potable-water monitoring program for a Governors Island facility. Park Avenue, Manhattan Commercial Legionella testing with complete culture, serogroup identification and revised reporting. Flatiron, Manhattan Potable water commissioning for a Sixth Avenue commercial property. Bronx, NY Commercial facility water quality testing in the Bronx. Piscataway, Middlesex County, NJ PWTA well panel completed for a real estate transaction. Clifton, Passaic County, NJ Annual steam-sterilizer feedwater testing for a surgery center under ANSI/AAMI ST108. Staten Island, NY Full-facility potable water testing for a Staten Island community services organization, revised and reissued report. Staten Island, NY Food service facility potable water testing, repeat engagement across three sampling events. West Village, Manhattan Large-scale residential lead testing with 58 initial sample points and a 26-sample follow-up.
RECENT PROJECTS ★★★★★
LaGuardia Airport, Terminal B, Queens Three-event potable-water testing with electronic deliverables. Hewitt, Passaic County, NJ 18-compound PFAS panel for a New Jersey property assessment. West Village, Manhattan Lead testing with 58 initial samples and a 26-sample follow-up. Upper East Side, Manhattan Potable-water testing across four consulate-held apartments. Lower Manhattan Transit Hub Pre-opening potable-water clearance for a national restaurant. Upper Manhattan Emergency testing isolated a non-potable contamination source. Morristown, Morris County, NJ Private well resampling completed before a real estate closing. Edison, Middlesex County, NJ Expedited E. coli and coliform testing at a municipal park. Kips Bay, Manhattan Annual 17-point DI-water purity testing for a pharmaceutical site. Newark, NJ Charter school lead testing with complete regulatory reporting. Lincoln Square, Manhattan Lead testing at 11 early-childhood fixtures before program hours. First Avenue, Manhattan Expedited construction-site Legionella testing. Brewster, Putnam County, NY Office Legionella screening found two elevated fixtures. Ossining, Westchester County, NY Expedited correctional-facility Legionella testing. Upper East Side, Manhattan Residential Legionella and standard potability panel. Peapack, Somerset County, NJ PWTA private well panel for a real estate transaction. East Hampton, Long Island, NY Private well panel with radiological analysis. Far Hills, Somerset County, NJ Private well water-quality assessment. Saddle River, Bergen County, NJ Treated and untreated well testing with PFAS and radiologicals. Piscataway, Middlesex County, NJ PWTA well panel for a real estate transaction. Chester, Morris County, NJ PWTA well panel for a real estate transaction. Carteret, Middlesex County, NJ Source verification confirmed municipal water service. Liberty Township, Warren County, NJ Well bacteria-failure resampling completed before closing. Sunset Park, Brooklyn Two-event academy lead assessment with electronic deliverables. Corona, Queens Four lead-testing campaigns with regulatory documentation. Prospect Avenue, Bronx Three lead-testing campaigns for a Bronx Head Start program. Upper West Side, Manhattan School lead testing found one elevated fixture campus-wide. East Village, Manhattan Preschool lead and potability testing with regulatory EDD. Kingsbridge, Bronx Preschool potability and lead testing. Rego Park, Queens Early-childhood lead testing with RegComp reporting. Jackson Heights, Queens Development-center lead and potability testing. East 76th Street, Manhattan Residential Legionella and standard potability panel. Upper East Side, Manhattan Legionella testing indicated a shared-building source. Ridgewood, Queens Ten-point lead assessment totaling 20 samples. Governors Island, NY Six-event quarterly potable-water monitoring program. Staten Island, NY Repeat hydrant and water-main clearance testing; all clean. Park Avenue, Manhattan Commercial Legionella culture and serogroup testing. Flatiron, Manhattan Commercial potable-water commissioning. Jamaica, Queens GSA fixture commissioning for lead, copper and Legionella. Greenpoint, Brooklyn Process-water metals testing found very high nickel. Bethpage, Long Island, NY Multi-point food-service potability testing; all samples passed. Staten Island, NY Three-event food-service potable-water testing. Flatiron, Manhattan Metals and minerals testing for a cold-plunge tub. Highbridge, Bronx Potable-water testing for a community facility. Staten Island, NY Full-facility potable-water testing with revised reporting. Central Park West, Manhattan Apartment Legionella culture and speciation testing. Inwood, Manhattan Thirty-parameter panel with targeted bacterial retesting. Forest Hills, Queens Cooperative apartment point-of-use potability testing. Bay Ridge, Brooklyn Residential potable-water analysis. Brooklyn Heights, Brooklyn Testing identified iron-reducing bacteria in discolored hot water. Long Island City, Queens PFAS and lead panel for a multi-family property. Upper East Side, Manhattan High-rise apartment lead and potability testing. Chelsea, Manhattan Three-point bacteria testing across a building water supply. Union Square / Flatiron, Manhattan Three-point bacteria monitoring from entry to rooftop supply. Bronx, NY Commercial facility water-quality testing. Governors Island, NY Recurring facility potable-water monitoring. Staten Island, NY Multi-family lead and potability testing. Staten Island, NY Two-point bacteria testing documented potable-water compliance. Clifton, Passaic County, NJ Annual surgical-center feedwater testing under AAMI ST108. West Islip, Suffolk County, NY Countertop-filter microplastics testing; none detected. Manhattan Valley (Upper West Side), Manhattan Testing isolated internal corrosion and sulfide issues. Clinton Hill / Bed-Stuy, Brooklyn Federal-facility testing after discoloration complaints. Flatiron District, Manhattan Three-point building bacteria testing; all results clean. South Plainfield, Middlesex County, NJ DI water met ASTM Type II range with no bacteria detected. Bridgewater, Somerset County, NJ Expanded PWTA testing found a reportable PFAS exceedance. Fort Totten, Queens, NY Water testing across two Army Reserve building systems. East Hampton, NY Three-point full-spectrum residential baseline; all passed. Tribeca, Manhattan High-rise baseline found no PFAS or microplastics. Bernardsville, Somerset County, NJ Expanded PWTA panel; every primary standard passed. LaGuardia Airport, Queens Annual aviation wastewater panel including 40 PFAS compounds. Bushwick / East Williamsburg, Brooklyn Six-fixture federal office screening; all samples passed. Upper East Side, Manhattan Three-point residential metals and corrosivity testing. Norwalk, Fairfield County, CT 83-parameter potability and microplastics baseline. Staten Island, NY Annual bacteria testing with clean post-remediation resample.

Olympian Water Testing LLC · Certified Water Testing Laboratory Analysis · New York · New Jersey · Connecticut

Certified Water Testing Laboratory Services.

NYS ELAP certified water testing and analysis for residential, commercial, and institutional properties throughout New York, New Jersey, and Connecticut since 1991.

  • NYS ELAP Certified Results
  • NELAP Accredited Analysis
  • Full Chain of Custody Documentation
  • EPA-Approved Analytical Methods
  • Certified Water Testing Experts
Lead & Heavy Metals
EPA Method 200.8 — ICP-MS analysis
PFAS Analysis
EPA 533 / 537.1 — LC-MS/MS
Legionella
ISO 11731 — Culture method
Bacteria
SM 9223B — Colilert
Elite Industry Standards Fully Insured:  Professional Liability (E&O) General Liability Workers’ Compensation

Professional Water Testing Laboratory SERVICES Serving NYC Boroughs and Beyond

If you’re searching for a water testing laboratory in Brooklyn, Queens, Manhattan, the Bronx, or anywhere in the NYC area, Olympian Water Testing Laboratory services provides certified and licensed water analysis and water quality testing for residential and commercial properties. Our experienced laboratory consultants utilize professional-grade testing methods to deliver accurate results for lead testing, potability testing, bacteria testing, e coli detection, total coliform evaluation, and turbidity analysis. As a trusted water testing company, we also specialize in legionella testing, PFAS testing, and microplastics testing to identify potential contaminants affecting your water supply. Our laboratories maintain rigorous quality standards and produce defensible reporting suitable for regulatory compliance, legal proceedings, and real estate transactions throughout the region.

Whether you represent a property management company, own residential or commercial real estate, or oversee institutional facilities, our water testing laboratory offers personalized service from certified experts who understand your specific testing requirements. Our consultant team guides you through the testing process, explains findings in practical terms, and provides actionable recommendations based on laboratory results. We serve clients across Brooklyn, Queens, Manhattan, the Bronx, Staten Island, and the greater NYC area with responsive, professional water analysis services designed to protect occupant health and satisfy compliance obligations. Contact Olympian Water Testing Laboratory today when you need expert water quality assessment backed by certified laboratories and certified consultant expertise.

Chain of Custody
100% Documentation
From collection through analysis
Established
Since 1991
35+ years serving NY · NJ · CT
Accreditation
NELAP
National Environmental Laboratory Accreditation
Certification
NYS ELAP
Environmental Laboratory Approval Program

Analytical Services

Certified Laboratory Water Testing Services

Certified water testing using EPA-approved analytical methods. Results certified by NYS ELAP. NELAP Accredited Analysis. Full chain of custody documentation.

Lead Testing & Heavy Metals Analysis

Pb, Cu, As, Fe, Mn — ICP-MS analysis at certified laboratory. On-site point-of-use sampling. No safe level of lead in drinking water. Results certified by NYS ELAP.

Bacteria Testing & Potability Analysis

Total coliform, E. coli, HPC. Colilert methodology. Required for food businesses, schools, daycares, and commercial properties with DOH compliance requirements.

Lead Testing & Heavy Metals Analysis

Pb, Cu, As, Fe, Mn — ICP-MS analysis at certified laboratory. On-site point-of-use sampling. No safe level of lead in drinking water. Results certified by NYS ELAP.

PFAS Analysis — EPA 533 & 537.1

PFOA, PFOS, PFNA, GenX, and 40+ PFAS compounds by LC-MS/MS. NJ DEP MCL compliance (PFOA 14 ppt, PFOS 13 ppt, PFNA 13 ppt) and EPA health advisory screening.

1,4-Dioxane Analysis

1,4-Dioxane in groundwater and drinking water. NYS MCL: 1 ppb. No color, taste, or odor. Available standalone or with full PFAS and emerging contaminant panel.

VOC Analysis

Volatile organic compound analysis — trihalomethanes, benzene, toluene, PCE, TCE, and full EPA 524.2 panel. Purge and trap GC-MS methodology.

Multi-Draw Diagnostic Analysis

Sequential timed draws from single fixture at standardized intervals. Contamination source determination: fixture / branch line / unit riser / building riser. Diagnostic report included.

Clients Served

Institutional and commercial water testing

Property Management Companies

Annual water quality programs, lead testing, Legionella sampling, and compliance documentation throughout NY, NJ, and CT.

Co-ops, Condos & Apartments

Building-wide and unit-level certified water testing near you. Landlord compliance and tenant request testing available.

Restaurants & Food Businesses

DOH compliance potability and bacteria testing. Certified results for regulatory submission throughout our service area.

Residential & Real Estate

Lead, bacteria, PFAS, and well water testing for homes, apartments, and pre-purchase PWTA compliance.

Co-ops, Condos & Multi-Family

Building-wide lead, Legionella, and water quality programs for co-op boards and condo associations.

Industrial & Institutional

Large-scale water quality programs for industrial facilities, municipal institutions, and government properties.

Clients Served

From consultation to certified results

01

Consultation & Panel Selection

Speak with our certified water testing consultants to determine appropriate analytical panels, sampling locations, and compliance requirements for your property and jurisdiction.

02

Certified On-Site Sampling

Certified water testing specialists collect samples at your property following EPA-approved protocols. Full chain-of-custody documentation is maintained from collection through laboratory analysis.

03

Laboratory Analysis & Certification

NELAP Accredited Analysis using EPA-approved methods. Results certified by NYS ELAP. Water quality reports with EPA action level comparisons, regulatory MCL comparisons, and expert findings.

Laboratory water testing services — FAQ

Our laboratory is certified by NYS ELAP (Environmental Laboratory Approval Program) and accredited by NELAP (National Environmental Laboratory Accreditation Program). All analytical results are produced using EPA-approved methods with full chain-of-custody documentation.
NYS ELAP (Environmental Laboratory Approval Program) is a New York State certification that validates results for regulatory compliance in New York. NELAP (National Environmental Laboratory Accreditation Program) is a national accreditation standard. Our results are certified by NYS ELAP and our laboratory is NELAP accredited.
Yes. NYS ELAP certified results, NELAP accredited analysis — accepted by NYC agencies, NYS DOH, NJ DEP, building attorneys, and real estate professionals throughout NY, NJ, and CT.

Laboratory Resources

Water testing laboratory articles

Understanding Multi-Panel Water Testing Packages

Understanding Multi-Panel Water Testing Packages

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How Labs Detect Contamination in Well Water Systems

How Labs Detect Contamination in Well Water Systems

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The Importance of QA/QC in Water Testing Laboratories

The Importance of QA/QC in Water Testing Laboratories

When you submit a sample for Accredited water testing in Queens, you are buying more than a printed report: you are buying the truth about…

Request Certified Water Testing Services

Serving residential, commercial, and institutional properties across NY, NJ, and CT.

✔ NYS ELAP Certified Results ✔ NELAP Accredited Analysis ✔ Full Chain of Custody Documentation ✔ EPA-Approved Analytical Methods ✔ Certified Water Testing Experts
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