RECENT PROJECTS ★★★★★
Greenpoint, Brooklyn Industrial process-water metals testing identified very high nickel in a pre-treatment stream. Upper Manhattan Emergency bacteria testing isolated contamination to an unknown foundation source, not the potable tap. Piscataway, Middlesex County, NJ PWTA well panel completed for a real estate transaction. Morristown, Morris County, NJ Private well bacteria-failure resampling and revised reporting completed before a real estate closing. East Village, Manhattan Preschool lead and potability assessment in Lower Manhattan, delivered with EDD for regulatory submission. 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. Lincoln Square, Manhattan Lead testing at 11 early-childhood fixtures, sampled before program hours. Union Square / Flatiron, Manhattan Three-point E. coli and coliform monitoring from municipal entry to the roof-level supply. LaGuardia Airport, Terminal B, Queens Three potable-water sampling events at a LaGuardia Airport terminal, with full electronic data deliverables. Hewitt, Passaic County, NJ 18-compound PFAS panel for a New Jersey Spill Fund-related property assessment. Kips Bay, Manhattan Annual 17-point deionized-water purity testing for a global pharmaceutical facility. Newark, NJ Charter school lead testing with EDD and Appendix D regulatory reporting. Upper East Side, Manhattan High-rise apartment lead and potability testing. Bernardsville, Somerset County, NJ Expanded PWTA home-sale panel across raw and treated water; every primary standard passed. Jackson Heights, Queens Development center lead and potability testing with report and RegComp. Brooklyn Heights, Brooklyn Condominium testing identified iron-reducing bacteria as the likely cause of discolored hot water. Far Hills, Somerset County, NJ Private well panel completed for a homeowner water quality assessment. Ridgewood, Queens Ten point-of-use lead assessment, 20 total samples, for a Queens multi-family ownership group. Highbridge, Bronx Potable water testing for a Bronx community development organization's facility. Flatiron, Manhattan Sixteen-parameter metals and minerals panel for a wellness facility's cold-plunge tub. LaGuardia Airport, Queens Annual aviation wastewater panel covering metals, VOCs, SVOCs, PCBs and 40 PFAS compounds. Carteret, Middlesex County, NJ PWTA source verification established municipal water service for a New Jersey real estate transaction. Inwood, Manhattan Two-phase cooperative apartment testing paired a 30-parameter panel with a targeted bacterial retest. Manhattan Valley (Upper West Side), Manhattan Five-point testing cleared the city main and isolated corrosion and sulfide issues within the property. Sunset Park, Brooklyn Twenty-sample academy lead assessment across two events, each with electronic data deliverables. Park Avenue, Manhattan Commercial Legionella testing with complete culture, serogroup identification and revised reporting. Chester, Morris County, NJ PWTA well panel completed for a real estate transaction. Bronx, NY Commercial facility water quality testing in the Bronx. Corona, Queens Four lead-testing campaigns for an educational center, with complete regulatory documentation. Upper East Side, Manhattan Legionella testing found two serogroups across four points, indicating a shared-building source. Flatiron, Manhattan Potable water commissioning for a Sixth Avenue commercial property. Staten Island, NY Repeat hydrant and water-main clearance testing at two Staten Island construction sites, all clean. Fort Totten, Queens, NY Metals, chemistry and bacteria testing across two U.S. Army Reserve building systems. Edison, Middlesex County, NJ Multi-day municipal park testing with 11 expedited E. coli and coliform samples per day. Lower Manhattan Transit Hub Pre-opening potable-water clearance for a national restaurant at a Lower Manhattan transit hub. Liberty Township, Warren County, NJ Private well bacteria-failure resampling and revised reporting completed before closing. Forest Hills, Queens Point-of-use potable water testing for a Forest Hills cooperative apartment. Staten Island, NY Full-facility potable water testing for a Staten Island community services organization, revised and reissued report. Tribeca, Manhattan Tribeca high-rise baseline covered hot and cold water, with no PFAS or microplastics detected. Rego Park, Queens Early childhood center lead testing with full report, invoice, and RegComp package. West Islip, Suffolk County, NY Microplastics testing evaluated a countertop filter; no particles were detected. Ossining, Westchester County, NY Expedited Legionella testing at a state correctional housing unit following a positive case. Upper West Side, Manhattan K-8 school lead testing found one elevated fixture while clearing the remaining campus outlets. Central Park West, Manhattan Apartment Legionella testing with full culture, speciation and revised reporting. Bridgewater, Somerset County, NJ Expanded PWTA well testing found a PFAS exceedance requiring disclosure before a home sale. Prospect Avenue, Bronx Three lead-testing campaigns for a Bronx Head Start early-childhood program. Jamaica, Queens GSA commissioning panel for new fixtures, including lead, copper and Legionella under AWWA C651. East Hampton, Long Island, NY Full private well panel, expanded to include radiological analysis. Bethpage, Long Island, NY Multi-point potability testing for a food-service facility, with every sample passing. Clifton, Passaic County, NJ Annual steam-sterilizer feedwater testing for a surgery center under ANSI/AAMI ST108. Staten Island, NY Annual seafood-facility bacteria testing included a clean resample after ice-machine remediation. Norwalk, Fairfield County, CT Comprehensive 83-parameter potability and microplastics baseline for whole-house filtration planning. East 76th Street, Manhattan Upper East Side residential engagement including Legionella analysis alongside the standard potable panel. Bay Ridge, Brooklyn Residential potable water analysis for a Brooklyn property. Governors Island, NY Six-event quarterly potable-water monitoring program for a Governors Island facility. Clinton Hill / Bed-Stuy, Brooklyn Metals, minerals and corrosivity testing cleared a federal facility after discoloration complaints. West Village, Manhattan Large-scale residential lead testing with 58 initial sample points and a 26-sample follow-up. Upper East Side, Manhattan Three-point residential metals and corrosivity panel confirmed all results within applicable standards. Staten Island, NY Two-point E. coli and coliform testing documented potable-water compliance for a contractor. South Plainfield, Middlesex County, NJ DI water testing confirmed no bacteria and conductivity within ASTM Type II range. Kingsbridge, Bronx Preschool potable water and lead assessment in the North Bronx. Upper East Side, Manhattan Legionella panel at a East 70th Street residential property, run alongside the standard potable panel. Saddle River, Bergen County, NJ Private well panel expanded to include gross alpha radiological and PFAS analysis, treated and untreated points. Staten Island, NY Multi-family building lead and potability testing with revised final report. First Avenue, Manhattan Expedited Legionella testing for a Manhattan construction site's compliance timeline. Upper East Side, Manhattan Multi-unit potable water testing across four residential apartments held by a foreign consulate. Staten Island, NY Food service facility potable water testing, repeat engagement across three sampling events. Peapack, Somerset County, NJ New Jersey PWTA-compliant private well panel completed for a real estate transaction. Brewster, Putnam County, NY Eight-point office Legionella screening found elevated L. pneumophila at two matching fixtures. Flatiron District, Manhattan Three-point E. coli and coliform testing across a commercial building returned clean results. Chelsea, Manhattan Three-point E. coli and coliform testing across a commercial building's vertical water supply. East Hampton, NY Full-spectrum residential baseline across three points; every parameter passed applicable standards. Bushwick / East Williamsburg, Brooklyn Six-fixture federal office screening for Legionella, bacteria, lead and copper; all samples passed. Governors Island, NY Recurring facility potable water monitoring, prior-year sampling event.
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 70th 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.
Certified Water Testing Services · New Jersey · NELAP Accredited Analysis · Since 1991

Water Testing in New Jersey

NELAP accredited water testing and analysis for New Jersey homes, private wells, apartments, commercial properties, schools, food businesses, property management companies, landlords, and tenants — statewide.

NJ COUNTIES SERVED
Bergen
Essex
Morris
Hudson
Union
Middlesex
Monmouth
Somerset
Hunterdon
Sussex
Passaic
Ocean

New Jersey

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    Elite Industry Standards Fully Insured:  Professional Liability (E&O) General Liability Workers’ Compensation

    NYS ELAP Certified Laboratory Results

    Every test result certified by New York State Environmental Laboratory Approval Program — accepted by NJ DEP and regulatory agencies statewide.

    NELAP Accredited Laboratory Analysis

    Analysis performed by National Environmental Laboratory Accreditation Program accredited laboratory. EPA-approved analytical methods on every sample.

    Full Chain of Custody

    Complete chain-of-custody documentation from on-site collection through certified laboratory analysis. 35+ years serving New Jersey since 1991.

    New Jersey Water Quality Issues

    Why New Jersey water testing matters

    NJ has unique groundwater contaminant profiles and among the strictest water quality standards in the nation.
    PWTA
    Private Well Testing Act
    NJ PWTA requires certified water testing before real estate transactions involving private wells. Full panel accepted by NJ DEP, attorneys, and lenders.
    PWTA Compliance
    NJ DEP
    Arsenic in Groundwater
    Arsenic is naturally occurring in NJ groundwater, especially in Morris, Hunterdon, and Somerset counties. NJ MCL: 5 ppb. Only certified lab analysis detects it reliably.
    EPA 200.8
    Emerging Contaminants
    PFAS — Nation’s Strictest MCLs
    NJ has established among the strictest PFAS MCLs nationally. PFOA at 14 ppt · PFOS at 13 ppt · PFNA at 13 ppt. Certified NELAP accredited analysis.
    EPA 533 / 537.1
    Radioactive
    Radon in NJ Groundwater
    Radon-in-water is common in northern NJ groundwater overlying granitic bedrock. Aerosolizes during showering. Proposed EPA MCL: 300 pCi/L. Certified analysis available.
    EPA Method 913
    New Jersey Water Testing Services

    Certified laboratory water testing in New Jersey

    Olympian Water Testing New Jersey is a certified and licensed water testing company that has delivered dependable water quality analysis throughout New Jersey since 1991. Our service supports residential and commercial clients, private well owners, and property management companies across Bergen, Essex, Morris, Hudson, Union, Middlesex, Monmouth, Somerset, Hunterdon, Sussex, Passaic, and Ocean counties. As your water testing consultant, our certified experts help you choose the right panel, collect samples on site, and explain exactly what your water analysis means.

    New Jersey holds some of the strictest water quality rules in the country, and our services are designed to meet them. We provide lead testing, potability testing, and bacteria testing, including E. coli, total coliform, and turbidity, along with Legionella testing, PFAS testing, and microplastics testing for homes, private wells, and commercial properties statewide. Each sample moves through laboratory analysis documented to NELAP and NYS ELAP standards, producing defensible lab results accepted by NJ DEP, attorneys, and lenders.

    Completed to the strict protocols that govern accredited laboratories and certified environmental labs, this is the dependable service and analysis that New Jersey property owners and professionals have relied on for more than three decades. From first consultation through final reporting, our certified experts manage every step so you receive clear, accurate answers about your water.

    Chemical & Emerging Contaminants
    Lead & Heavy Metals
    Pb, Cu, As, Fe, Mn at point of use. NYS ELAP certified results.
    EPA 200.8
    PFAS Screening
    PFOA, PFOS, PFNA. NJ MCL-compliant. Analysis by NELAP lab.
    EPA 533 / 537.1
    Arsenic & Nitrates
    Naturally occurring NJ groundwater contaminants. NJ MCL comparison.
    EPA 200.8 / 300.0
    Radon in Water
    Northern NJ granitic bedrock groundwater. Proposed EPA MCL: 300 pCi/L.
    EPA 913
    VOCs & Organics
    Volatile organic compounds for NJ wells and commercial properties.
    EPA 524.2
    Microbiological, Well & Compliance
    Bacteria & Potability
    Total coliform, E. coli, HPC. Food businesses, schools, PWTA compliance.
    SM 9223B
    Legionella Testing
    Point-of-use — showers, faucets, pools, spas, decorative features only.
    ISO 11731
    PWTA Well Panel
    NJ Private Well Testing Act compliance. Accepted by NJ DEP and lenders.
    PWTA
    Annual Well Panel
    Comprehensive annual private well water quality analysis for NJ properties.
    Multiple Methods
    Multi-Draw Diagnostic
    Sequential sampling identifies contamination source. Full diagnostic report.
    Diagnostic

    Commercial & Institutional Water Testing

    New Jersey commercial water testing clients

    Home Buyers & Sellers — PWTA

    PWTA-compliant certified water testing for NJ real estate transactions involving private wells. Accepted by NJ DEP, real estate attorneys, and mortgage lenders. Pre-purchase and pre-listing panels.

    Property Management Companies

    Certified water testing programs for NJ property management companies. Lead, potability, Legionella sampling, and annual water quality reports with compliance documentation for multi-property portfolios.

    Apartments, Condos & Multi-Family

    Building-wide and individual unit water testing for NJ apartment buildings, condominiums, and multi-family properties. Landlord compliance and tenant request testing.

    Restaurants & Food Businesses

    NJ DOH compliance water testing for food businesses and restaurants. Certified potability and bacteria analysis accepted by local health departments and NJ DEP.

    Schools, Daycares & BOCES

    Lead testing for NJ schools, daycares, and childcare facilities under NJ and federal requirements. Certified results, compliance reports, and remediation guidance.

    Tenants, Renters & Landlords

    Individual unit water testing for NJ tenants and renters. Landlord compliance testing with certified results accepted by NJ DEP and regulatory agencies.

    From consultation to certified NJ results

    01
    Consultation

    PWTA requirements, panel selection, sampling locations for your NJ property.

    02
    Certified Sampling

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

    03
    Lab Analysis

    NELAP accredited laboratory analysis. Results certified by NYS ELAP. NJ DEP MCL comparison.

    04
    Reports Delivered

    Certified water quality reports accepted by NJ DEP, attorneys, and lenders.

    New Jersey water testing questions

    New Jersey's Private Well Testing Act requires certified water testing before real estate transactions where the property is served by a private well. Required analytes include bacteria, lead, arsenic, nitrates, pH, iron, manganese, and VOCs. Certified results from a NELAP accredited laboratory are required for NJ DEP compliance.
    Yes. Certified arsenic analysis using EPA Method 200.8 and certified PFAS screening including PFOA, PFOS, and PFNA. NJ has established strict PFAS MCLs — PFOA at 14 ppt, PFOS at 13 ppt, PFNA at 13 ppt. NELAP Accredited Analysis. NJ DEP accepted results.
    Yes. NYS ELAP certified results, NELAP accredited analysis — accepted by NJ DEP, county health departments, real estate attorneys, and mortgage lenders for PWTA compliance and real estate transactions throughout New Jersey.
     
    Bergen, Essex, Morris, Hudson, Union, Middlesex, Monmouth, Somerset, Hunterdon, Sussex, Passaic, and Ocean counties. Call NJ (908) 772-8601 for all NJ water testing inquiries.
     
    Yes. Individual unit water testing for NJ tenants and renters concerned about lead, bacteria, PFAS, or water quality. Landlord compliance testing with certified results accepted by NJ DEP and regulatory agencies.
     

    Blog

    New Jersey water testing resources

    Why Homeowners Should Test for Heavy Metals in Drinking Water

    Why Homeowners Should Test for Heavy Metals in Drinking Water

    For many of us, the water that flows from our kitchen faucet is something we take for granted. We use it for brewing morning coffee,…

    Water Testing for Schools and Childcare Facilities

    Water Testing for Schools and Childcare Facilities

    Every parent, teacher, and administrator shares a fundamental goal: to provide a safe, nurturing environment where children can learn and thrive. While we often focus…

    How to Choose a Water Testing Laboratory in New Jersey

    How to Choose a Water Testing Laboratory in New Jersey

    If you’ve recently found yourself searching for “water testing near me,” you’ve likely realized that not all labs are created equal. Whether you are complying…

    New Jersey Service Area

    Certified water testing statewide

    • Private Well Property Owners
    • Home Buyers & Sellers (PWTA)
    • Property Management Companies
    • Schools, Daycares & Food Businesses
    • Tenants, Renters & Landlords
    • Apartments, Condos & Multi-Family
    Bergen County Essex County Morris County Hudson County
    Union County Middlesex County Monmouth County Somerset County
    Hunterdon County Sussex County Passaic County Ocean County