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.
Certified Water Testing Laboratory Services · New Jersey · Since 1991

Water Testing & Analysis in New Jersey.

Olympian Water Testing provides professional laboratory water testing throughout New Jersey for private wells, homes, commercial properties, schools, food businesses, and institutional facilities.

Speak directly with a certified water testing specialist.

Clear guidance, reliable reporting, and fast turnaround times designed to help homeowners, buyers, property managers, and businesses make informed decisions.

What To Expect

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

Who We Serve

Homeowners & Private Well Owners
Property Managers & Commercial Buildings
Schools, Restaurants & Food Businesses
Buyers, Sellers, Renters & Landlords
Elite Industry Standards Fully Insured:  Professional Liability (E&O) General Liability Workers’ Compensation
New Jersey Contaminants & Compliance

Why NJ water testing matters

PWTA

Private Well Testing Act

NJ PWTA requires certified water testing before real estate transactions involving private wells. Lead, bacteria, arsenic, nitrates, and VOCs are among required analytes. Certified results required for disclosure.

PWTA Compliance
NJ DEP

Arsenic in NJ Wells

Arsenic is a naturally occurring contaminant common in New Jersey groundwater, particularly in Morris, Hunterdon, and Somerset counties. NJ has a 5 ppb MCL. Only certified laboratory analysis detects it reliably.

EPA 533 / 537.1
Emerging Contaminants

PFAS in New Jersey

New Jersey has among the strictest PFAS MCLs in the nation — PFOA at 14 ppt, PFOS at 13 ppt, PFNA at 13 ppt. Certified PFAS analysis available for NJ private wells and municipal water supplies.

EPA 533 / 537.1
NJ-Specific

Radon in Water

Radon is a naturally occurring radioactive gas dissolved in NJ groundwater — particularly in northern NJ. It can enter living spaces through aerosolization during showering. Certified radon-in-water analysis available.

EPA Method 913

Water Testing & Analysis Services

Certified Laboratory Water Testing in New Jersey

PWTA compliance · Lead testing · Arsenic · PFAS · Bacteria & E. coli · Radon in water · Nitrates · VOCs · Potability · Legionella · Water quality reports

PWTA Private Well Testing

New Jersey’s Private Well Testing Act requires certified water testing before real estate transactions involving private wells. Our NELAP accredited laboratory provides PWTA-compliant analysis — lead, arsenic, bacteria, nitrates, pH, iron, manganese, and VOCs — with certified results accepted by NJ DEP, real estate attorneys, and mortgage lenders.

NJ PWTA Compliance

Lead Testing & Heavy Metals Analysis

Certified lead testing for New Jersey homes, private wells, commercial properties, schools, and daycares. Lead, copper, arsenic, iron, manganese, zinc. On-site point-of-use sampling with full chain-of-custody documentation. NYS ELAP certified results, NELAP accredited analysis.

EPA 200.8

Arsenic & Nitrate Analysis

Arsenic is naturally occurring in NJ groundwater — particularly Morris, Hunterdon, Somerset, and Sussex counties. Nitrate contamination is common near agricultural areas. Certified arsenic and nitrate analysis for NJ private wells and public water supplies. NJ MCL: Arsenic 5 ppb, Nitrate 10 mg/L.

EPA 200.8 / 300.0

PFAS & Emerging Contaminant Screening

New Jersey has established among the strictest PFAS MCLs nationally. Certified PFOA, PFOS, PFNA, and GenX screening for NJ private wells and commercial properties. No color, taste, or odor. Only certified laboratory analysis detects PFAS at the concentrations required by NJ standards.

EPA 533 / 537.1

Radon-in-Water Analysis

Radon is a naturally occurring radioactive gas found dissolved in NJ groundwater — particularly in the northern counties overlying granitic bedrock. Certified radon-in-water analysis for NJ private well properties. Proposed EPA MCL is 300 pCi/L. Aerosolized radon during showering is the primary exposure pathway.

EPA Method 913

Bacteria Testing & Potability Analysis

Total coliform, E. coli, HPC, and potability testing at the point of use. Required for NJ food businesses, restaurants, schools, daycares, and commercial properties. PWTA-compliant bacteria analysis for real estate transactions. Results accepted by NJ DEP and local health departments.

SM 9223B

Legionella Water Testing

Point-of-use Legionella analysis at showers, faucets, pools, spas, and decorative water features for New Jersey residential and commercial properties. Certified results with complete documentation.

ISO 11731

Certified Water Quality Reports

Every service includes certified water quality reports with EPA and NJ DEP action level comparisons, plain-language findings, PWTA compliance documentation, and expert guidance from our certified water testing consultants.

All Services

New Jersey Contaminants of Concern

Why New Jersey water testing matters

Home Buyers & Sellers - PWTA Compliance

Certified testing that meets PWTA requirements for New Jersey property transactions with private wells. Full-spectrum analysis recognized by NJDEP, attorneys, and lending institutions. Available for both pre-sale and pre-purchase needs.

Private Well Owners

Ongoing water testing solutions tailored for New Jersey residents using private wells. Panels cover bacteria, arsenic, nitrates, radon, PFAS, lead, iron, manganese, and VOCs. Routine certified testing supports safe and reliable household water.

Property Management & Real Estate Portfolios

Water quality programs built for New Jersey property managers. Includes lead assessments, potability verification, Legionella testing, and detailed annual reports with complete compliance records.

Food Service & Hospitality

Water testing services aligned with NJDOH standards for restaurants and food-related businesses. Covers potability, bacteria, and E. coli, with certified results suitable for inspections and regulatory review.

Educational & Childcare Facilities

Specialized lead testing services for schools and childcare centers across New Jersey. Meets both state and federal guidelines, with clear reporting and support for any required corrective actions.

Tenants, Landlords & Rental Properties

Flexible testing options for single units and multi-family housing throughout New Jersey. Helps property owners meet compliance standards while providing certified water quality results for tenants and regulators.

Why Water Testing Matters in New Jersey

Olympian Water Testing of New Jersey is a certified and licensed company serving residential and commercial properties throughout New Jersey with trusted water testing services. Our consultants and experts provide comprehensive water quality analysis backed by accredited laboratories, ensuring accurate results that meet NJDEP and EPA standards. From lead testing and potability testing to bacteria testing for e coli, total coliform, and turbidity, our services are designed to protect health and meet regulatory requirements. We support property managers, schools, food businesses, and homeowners across Bergen, Essex, Morris, Union, Middlesex, Monmouth, Somerset, Hunterdon, Sussex, Passaic, Hudson, and Ocean counties with clear documentation and reliable reporting.

We also provide advanced testing for emerging contaminants, including PFAS testing, microplastics testing, radon in water, and legionella testing, addressing critical water quality concerns unique to New Jersey. We guide every step, from professional sample collection to laboratory analysis and detailed water quality reports. Whether for PWTA compliance in real estate transactions, ongoing monitoring of private wells, or safeguarding commercial facilities, Olympian Water Testing provides services that ensure safe, compliant, and dependable water analysis across New Jersey.

01

Initial Assessment

We evaluate your property’s needs, identify required testing panels, and confirm PWTA obligations specific to New Jersey wells and real estate transactions.

02

Professional Sample Collection

Licensed technicians collect water samples using strict EPA-approved methods, ensuring proper handling and documented chain-of-custody from start to finish.

03

Accredited Laboratory Testing

Samples are analyzed by certified laboratories meeting NELAP standards, with results aligned to NJDEP regulatory guidelines for accuracy and compliance.

04

Reports Delivered

You receive comprehensive water quality reports with clear comparisons to EPA and New Jersey action limits, presented in an easy-to-read format.

Frequenlty Asked Questions

The NJ 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 compliance.

Yes. Certified arsenic analysis for NJ private wells using EPA Method 200.8. Arsenic is a naturally occurring contaminant common in NJ groundwater, particularly in Morris, Hunterdon, Somerset, and Sussex counties. NJ MCL is 5 ppb.

Yes. Certified PFAS screening including PFOA, PFOS, PFNA, and related compounds. NJ has established strict PFAS MCLs — PFOA at 14 ppt, PFOS at 13 ppt, PFNA at 13 ppt. NELAP Accredited Analysis using EPA 533 and EPA 537.1.

Yes. Certified results from NELAP accredited analysis are accepted by NJ DEP, local health departments, real estate attorneys, and mortgage lenders for PWTA compliance and real estate transactions.

New Jersey water testing resources

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Common Contaminants Should Not Be Treated as One-Issue Stories

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Property Managers Need Better Water Quality Benchmarks Before Complaints Start

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New Jersey Service Area

Certified water testing across New Jersey

  • Private Well Property Owners
  • Home Buyers & Sellers (PWTA)
  • Property Management Companies
  • Schools, Daycares & Food Businesses
  • Tenants, Renters & Landlords
  • Commercial & Industrial
Bergen County
Essex County
Morris County
Union County
Middlesex County
Monmouth County
Somerset County
Hunterdon County
Sussex County
Passaic County
Hudson County
Ocean County
Newark
Jersey City
Lakewood
Elizabeth
Edison
Woodbridge
Toms River
Bayonne NJ
Brick NJ
Union City

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At Gardeno, we believe that every outdoor space has the potential to become something truly special. With a passion for nature and a focus on modern design, we create landscapes that are not only beautiful but also functional and sustainable.

From residential gardens to commercial landscapes, our team is dedicated to delivering high-quality results tailored to your vision. We combine creativity, expertise, and attention to detail to transform ordinary spaces into inspiring environments.

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Certified water testing in New Jersey.

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