Legionella pneumophila
Certified Point-of-Use Legionella Analysis · NY · NJ · CT · Since 1991

Certified Legionella Water Testing

NELAP accredited laboratory Legionella analysis at the point of use — showers, faucets, pools, spas, and decorative water features — for residential and commercial properties across New York, New Jersey, and Connecticut.

POINT-OF-USE LEGIONELLA TESTING — WE TEST

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

POINT-OF-USE LEGIONELLA TESTING — WE TEST

  • Showers and shower heads
  • Faucets and drinking water taps
  • Swimming pools and spas
  • Decorative water features and fountains
  • Residential apartment building fixtures
  • Commercial building point of use fixtures
  • Hotels, motels, and hospitality properties
  • Healthcare facility point of use sampling
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Legionella Testing Services

Certified point-of-use Legionella analysis

ISO 11731 method · NYS ELAP certified results · NELAP accredited laboratory · Full chain of custody · Water quality reports with findings

Residential Legionella Testing

Certified Legionella analysis at residential showers, faucets, and fixtures. NYS ELAP certified results with expert guidance for homes, apartments, co-ops, and condos.

ISO 11731
Commercial Building Legionella Testing

Point-of-use Legionella sampling for commercial buildings, offices, hotels, and multi-use properties. Full chain-of-custody documentation with certified water quality reports.

ISO 11731
Pool & Spa Legionella Testing

Certified Legionella analysis at swimming pools, hot tubs, spas, and aquatic facilities. Results with regulatory agency comparison and expert findings.

ISO 11731
Decorative Water Feature Testing

Certified Legionella sampling at ornamental fountains, misting systems, and decorative water features for commercial and public properties.

ISO 11731
Multi-Family Building Programs

Building-wide point-of-use Legionella testing programs for apartment buildings, co-ops, and multi-family properties. Certified results with full documentation.

ISO 11731
Water Quality Reports

Every Legionella test includes certified water quality report with expert findings, CDC and regulatory agency comparison, and consultation on results.

ISO 11731

Legionella Testing Clients

Who we provide Legionella testing for

Property Management Companies

Point-of-use Legionella testing programs for property management companies. Building-wide fixture sampling, certified results, and annual water quality reports for multi-building portfolios.

Co-ops, Condos & Apartments

Building-wide and individual unit Legionella testing for co-ops, condo associations, and apartment buildings. Landlord compliance and tenant request testing available.

Restaurants & Food Businesses

Certified Legionella analysis for restaurants, food businesses, and commercial properties. Accepted by health departments and regulatory agencies in NY, NJ, and CT.

Schools, Daycares & BOCES

Point-of-use Legionella testing for schools, daycares, BOCES, and institutional properties. Certified results with compliance documentation.

Tenants, Renters & Landlords

Individual fixture Legionella testing for tenants and renters. Landlord compliance testing with certified results accepted by building management and regulatory agencies.

Hotels, Motels & Hospitality Properties

Certified point-of-use Legionella testing for hospitality properties. Shower, faucet, pool, and spa sampling with certified results and regulatory documentation.

Legionella testing — how it works

01

Consultation

Speak with our certified water testing consultants to identify the right point-of-use Legionella sampling locations for your property type and concern.

02

Certified On-Site Sampling

Certified specialists collect point-of-use samples at your showers, faucets, pools, spas, and water features following ISO 11731 and EPA-approved protocols. Full chain-of-custody documentation.

03

Laboratory Analysis

NELAP Accredited Analysis using ISO 11731 method. Results certified by NYS ELAP. Legionella pneumophila and other species identified and quantified.

04

Certified Report Delivered

Certified Legionella water quality report with CDC and regulatory agency comparison, plain-language expert findings, and guidance on next steps if Legionella is detected.

Legionella water testing questions

Point-of-use Legionella testing collects certified samples directly from the fixtures where water is used — showers, faucets, pools, spas, and decorative water features. This is distinct from cooling tower or large system testing. Olympian Water Testing provides point-of-use Legionella analysis for residential and commercial properties.
No. Olympian Water Testing provides point-of-use Legionella analysis only — showers, faucets, pools, spas, and decorative water features. Cooling towers, rooftop systems, storage tanks, and water management programs are outside our service scope.
ISO 11731 is the standard method for Legionella analysis in water. Analysis is performed by NELAP accredited analysis. Results are certified by NYS ELAP. Full chain-of-custody documentation on every sample.
Yes. NYS ELAP certified results, NELAP accredited analysis — accepted by NYC DOH, NJ DEP, CT DEEP, local health departments, building attorneys, and regulatory agencies for point-of-use fixture compliance.

Blog

Legionella water testing resources

Why Restaurants Can Still Have Meaningful Legionella Water Use Points

Why Restaurants Can Still Have Meaningful Legionella Water Use Points

For restaurant owners and property managers, Legionella questions become easier to understand when the conversation moves from abstract plumbing language to the outlets people actually…

How Legionella Testing Fits Into Jersey City Condominium Amenity Spaces

How Legionella Testing Fits Into Jersey City Condominium Amenity Spaces

For Jersey City condominium managers and boards, Legionella questions become easier to understand when the conversation moves from abstract plumbing language to the outlets people…

Why Public Water Fountains Matter in Legionella Testing Plans

Why Public Water Fountains Matter in Legionella Testing Plans

For building owners and facility teams, Legionella questions become easier to understand when the conversation moves from abstract plumbing language to the outlets people actually…

Legionella Testing Service Areas

NY · NJ · CT

  • NYC Five Boroughs
  • Westchester & Long Island
  • NJ Bergen, Essex, Morris Counties
  • Jersey City & Hudson County
  • CT Fairfield, New Haven, Litchfield
  • Residential & Commercial Properties
Manhattan
Brooklyn
Queens
The Bronx
Staten Island
Westchester
Long Island
Bergen County
Jersey City
Essex County
Fairfield CT
New Haven CT
NYS ELAP Certified · NELAP Accredited Laboratory

Certified Legionella Water Testing at the Point of Use.

Showers · Faucets · Pools · Spas · Decorative Water Features · Residential & Commercial Properties · NY · NJ · CT · Available 24 Hours, 365 Days.

✓ ISO 11731
✓ EPA Approved Methods
✓ Full Chain of Custody
✓ Certified Reports
✓ Since 1991
✓ Showers & Faucets Testing
✓ Pools & Spa Water Analysis
✓ Decorative Water Features
✓ Residential & Commercial Properties
Request a Consultation
Speak with a certified Legionella water testing expert for residential and commercial properties across New York, New Jersey, and Connecticut.









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