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

Tap Water Testing.

Certified laboratory water testing and analysis identifies exactly what is in your tap water — lead, bacteria, PFAS, Legionella, arsenic, and dozens of other contaminants that have no color, taste, or odor.

NYS ELAP Certified Results
NELAP Accredited Analysis
Full Chain of Custody
Since 1991
What Are You Noticing?

Your tap water may be telling you something.

01

“My water has a metallic taste.”

Could indicate elevated lead, copper, iron, or manganese. Certified heavy-metals analysis identifies the source and concentration at the point of use.

02

“My water looks cloudy or discolored.”

Could indicate turbidity, iron, manganese, or bacteria. Multi-draw diagnostics and potability testing help identify the contamination source.

03

“I just want to know what’s in my water.”

Certified laboratory analysis reveals the full picture — lead, bacteria, PFAS, arsenic, and other contaminants with no color, taste, or odor.

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

What We Test For

Tap water contaminant testing

Every contaminant panel includes certified results, water quality report with EPA action level comparisons, and expert guidance from our certified water testing consultants.

Lead Testing & Heavy Metals Analysis

Certified lead testing at the point of use. Lead, copper, arsenic, iron, manganese. On-site sampling with full chain-of-custody. NYS ELAP certified results.

Bacteria Testing & Potability Analysis

Total coliform, E. coli, HPC, and potability analysis at the point of use. Required for food businesses, restaurants, schools, and commercial properties.

Legionella Water Testing

Point-of-use Legionella analysis at showers, faucets, pools, spas, and decorative water features. Certified results with complete documentation.

PFAS & Chemical Screening

PFOA, PFOS, and related PFAS compounds. No color, taste, or odor at any concentration. Only certified laboratory analysis detects them.

PFAS & 1,4-Dioxane Analysis

Certified PFAS and 1,4-dioxane screening. PFOA, PFOS, NJ MCL-compliant analysis, NYS 1 ppb MCL comparison. Only certified laboratory analysis detects them.

Private Well Water Testing

Comprehensive well water analysis — bacteria, arsenic, nitrates, radon, iron, manganese, pH, hardness, VOCs, PFAS, 1,4-dioxane. Annual and PWTA pre-purchase panels.

Multi-Draw Diagnostic Analysis

Sequential certified sampling from the same fixture at timed intervals. Identifies contamination source — fixture, branch pipe, or building riser. Diagnostic report included.

Real Estate Water Testing

Pre-purchase and pre-listing certified water testing panels. Accepted by real estate attorneys, mortgage lenders, and home inspectors in NY, NJ, and CT.

Who We Test For

All property types — tap water testing

Clean, safe tap water should never be a guessing game, and Olympian Water Testing makes it easy to know exactly what comes out of your faucet. As a dependable water testing company serving Brooklyn, Queens, Manhattan, the Bronx, Staten Island, and the wider NYC area, we provide thorough water quality and water analysis services for both residential and commercial properties. Our certified and licensed experts work with homeowners, landlords, businesses, and property management companies, and a quick conversation with our consultant is often all it takes to map out the right plan, the right timeline, and the right testing for your building.

Every service is built around accurate, reliable answers, from lead testing, potability testing, and bacteria testing to screening for e coli, total coliform, and turbidity. We also handle legionella testing, PFAS testing, and microplastics testing for properties of all sizes across the five boroughs. Samples are processed with lab-quality care and laboratory-grade analytical standards, so your results are clear, well documented, and ready for everyday peace of mind or official requirements. Whether you want a single check or a complete panel, our certified experts coordinate collection, evaluation, and detailed reporting so NYC property owners always understand their water quality.

Homeowners & Renters

Individual tap water testing for homeowners and renters concerned about lead, bacteria, PFAS, or any other contaminant in their drinking water.

Apartments, Co-ops & Multi-Family Buildings

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

Restaurants & Food Businesses

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

Schools, Daycares & BOCES

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

Private Well Homeowners

Annual tap water testing from private wells in Long Island, NJ, and CT. Bacteria, arsenic, nitrates, PFAS, 1,4-dioxane, and VOC panels.

Property Management Companies

Certified tap water testing programs for property management companies managing multi-building portfolios across NY, NJ, and CT.

How tap water testing works

01

CONSULTATION

Identify the right panel for your concern

02

SAMPLING

Certified on-site sampling at your tap

03

ANALYSIS

NELAP lab - NYS ELAP certified

04

RESULTS

Certified report delivered

Tap water testing questions

Home test kits cannot detect lead at the EPA action level, cannot detect PFAS at any concentration, cannot provide certified results accepted by regulatory agencies, and cannot identify contamination source. Only NYS ELAP certified analysis provides results you can act on with confidence.

Yes. Lead, PFAS, arsenic, and many bacteria have no color, taste, or odor at dangerous concentrations. The only way to know what is in your tap water is certified laboratory analysis.

Your certified water quality report includes EPA action level comparisons, plain-language findings, and expert guidance. If a contaminant is detected above action levels, our consultants discuss remediation options and next steps.
 
7 or more business days is typical depending on analytes, with expedited options often available. Contact us at NY (212) 461-3879 · NJ (908) 772-8601 · CT (203) 780-2022 for current turnaround times.
 

Blog

Tap water testing resources

Bacteria Results Need Context Before They Drive Tap Water Decisions

Bacteria Results Need Context Before They Drive Tap Water Decisions

Receiving a water test report that flags the presence of bacteria is, understandably, one of the most alarming moments for any homeowner. The word “bacteria”…

Why Families Notice Taste, Odor, and Color Before They Learn Plumbing Terms

Why Families Notice Taste, Odor, and Color Before They Learn Plumbing Terms

It is a common story: a family moves into a new home or begins to notice something “off” with their tap water. They aren’t looking…

Why Consultants Add Value When Tap Water Reports Raise More Questions

Why Consultants Add Value When Tap Water Reports Raise More Questions

Receiving a laboratory water report often mirrors the stress of a complex medical exam, leaving you staring at acronyms, scientific notation, and dense columns of…

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