Olympian Water Testing of Yonkers has served the region since 1991 as a certified and licensed water testing company. We serve Yonkers, Westchester, and the greater NYC area, including Brooklyn, Queens, Manhattan, the Bronx, and Staten Island, providing water quality analysis for residential and commercial clients, as well as property management companies, throughout the region.
Our laboratory analysis is performed to NELAP and NYS ELAP accreditation standards, producing defensible results suitable for regulatory, legal, and real estate purposes. We provide lead testing, potability testing, and bacteria testing, including analysis for e coli, total coliform, and turbidity, as well as legionella testing, PFAS testing, and microplastics testing. Our certified experts can help determine the appropriate testing panel for your property and manage sample collection, laboratory analysis, and detailed reporting in accordance with established protocols. This level of service reflects our commitment to accuracy that property owners and professionals have relied on for more than three decades.
NYS ELAP
Certified Results
NELAP
Accredited Analysis
Full Chain
of Custody
Lead testing · Potability testing · Legionella testing · PFAS analysis · Bacteria & E. coli · Total coliform · Private well testing · Turbidity · VOC analysis · Water quality reports
Certified lead testing for Yonkers homes, co-ops, condominiums, and commercial properties. Lead, copper, arsenic, iron, manganese. On-site sampling at the point of use. No safe level of lead in drinking water exists.
Comprehensive well water analysis for Yonkers and Westchester properties — bacteria, arsenic, nitrates, iron, manganese, pH, hardness, and VOCs. Annual testing and pre-purchase panels available.
Certified water testing programs for Yonkers and Westchester property management companies. Lead testing, potability, Legionella sampling, and annual water quality reports.
Lead testing under New York State’s 3Ts program for Yonkers schools, daycares, and BOCES facilities. Certified results, compliance reports, and remediation guidance.
Pre-purchase and pre-listing certified water testing for Yonkers and Westchester homes — including private well properties. Results accepted by attorneys and lenders.
Annual testing programs and pre-purchase well water analysis for Yonkers and Westchester properties on private wells.
Speak with our water testing consultants to determine appropriate testing panels, sampling locations, and compliance requirements for your Queens property.
Certified specialists collect samples at your property following EPA-approved protocols with full chain-of-custody documentation.
NELAP Accredited Analysis. Results certified by NYS ELAP. Water quality reports with EPA action level comparisons delivered.
Yes. We provide certified water testing laboratory services for residential properties, private wells, commercial buildings, schools, food businesses, and property management companies throughout Yonkers and Westchester County.
| Yonkers | Mount Vernon | New Rochelle |
| White Plains | Tarrytown | Ardsley |
| Dobbs Ferry | Hastings-on-Hudson | Bronxville |
| Tuckahoe | Eastchester | Pelham |
| Scarsdale | Larchmont | Mamaroneck |
| Ossining | Sleepy Hollow | Elmsford |
Residential, commercial, well water, schools, food businesses, and management companies. Available 24 hours, 365 days.