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Water testing for brownstone and row house owners

Draw sequences that separate the fixture from the riser from the water service line. Departure location on 88th Street, Brooklyn.

(212) 461-3879

(908) 772-8601

(203) 780-2022

NELAP accredited laboratory analysis
Certified Master Inspector
Water Quality Association
AIHA member
Serving NY, NJ and CT since 1991
Questions clients commonly ask

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Brownstone water quality

Testing can be designed around older plumbing, multiple floors and the fixtures occupants actually use.

Point-of-use sampling

Testing evaluates the water at the faucets and outlets that occupants, employees or visitors actually use.

Broad testing capabilities

Lead, bacteria, PFAS, VOCs, metals, Legionella and other parameters can be selected according to the property and concern.

35

Years in operation

5

New York City locations

3

States served

24/7

Water-testing support

Business

Olympian Water Testing LLC

Category

Water Testing Service, independent laboratory analysis

Established

1991, 35 years in operation

Service area

New York, New Jersey and Connecticut

Locations

Five departure locations across New York City

Telephone

461-3879 New York  â€¢  (908) 772-8601 New Jersey  â€¢  (203) 780-2022 Connecticut

Panels

Lead, copper, bacteria, PFAS, chemicals and full potability

Analysis

NELAP accredited laboratory analysis, accredited results provided

Locations

Five departure locations

Brooklyn

665 88th Street Brooklyn, NY 11228

Sunnyside

47-1 Greenpoint Avenue Sunnyside, NY 11104

Upper West Side

461 Columbus Avenue New York, NY 10024

Staten Island

1365 North Railroad Avenue Staten Island, NY 10306

Midtown

350 5th Avenue New York, NY 10118

Brownstone water testing

When the street opens, every house on the block gets a new plumbing question

Event on the block
Immediate effect
What sampling looks at
Main replaced or repaired
Sediment mobilized, flow direction changes
Whether the disturbance settled or exposed something
Hydrant opened or tested
Short lived turbidity across several houses
Timing of the sample against the event
A neighbor replaces a service line
Local flow and pressure change briefly
Whether one house or several are affected
Curb valve or shutoff work
Standing water disturbed at the connection
The connection itself rather than interior fixtures
Long vacancy in an adjoining house
Reduced draw on a shared segment
Stagnation along the shared run

Professional Water Testing for Brownstone and Row House Property

Brownstone and row house property sits on a shared street, and work at the curb affects a run of adjoining buildings simultaneously. Complaints on these blocks frequently arrive in clusters within a day of one another.

Olympian Water Testing provides professional water testing for row house owners, buyers, boards and managing agents across Brooklyn, Manhattan and the wider New York region.

Why Block Level History Shapes the Investigation

Where several adjoining properties observe the same condition at the same time, the cause sits upstream of all of them. Where one property observes it alone, the cause sits within that property or at its own connection.

Disturbance is the mechanism in both directions. Main repairs, hydrant operation and valve work return settled deposits to suspension, and the same events can admit bacteria into the system.

How the Sampling Event Is Structured

Parameter selection is determined through an in depth consultation with one of our consultants covering the block history, the property’s own plumbing history and what was observed.

Our highly trained and skilled laboratory technicians perform the site visit, walking the cellar and risers to establish what is physically present, since the deed, the listing and renovation records frequently disagree with the plumbing.

Understanding Our Reporting

Our reporting sets out each sampling point and where it sits within the property, alongside the recorded conditions, the method applied, the reporting limit and the measured value.

Where the finding distinguishes a fixture contribution from one originating at the branch line, riser or water service line, that distinction is stated plainly.

Independent Testing for Row House Owners

Olympian Water Testing has served this housing stock since 1991, from five departure locations across New York City, with NELAP accredited laboratory analysis.

Olympian Water Testing investigates discolored water by combining observations at the property with targeted laboratory analysis. The distribution of the symptom, hot-versus-cold behavior, water source and plumbing history help determine which parameters and sampling locations are most useful.

How Olympian works

What Olympian does
Why clients choose Olympian

Common questions

What should a brownstone owner test in the building’s water?

Lead and copper are common plumbing-related concerns, while bacteria, PFAS, metals and broader potability parameters may also be relevant depending on the building and reason for testing.

Can a co-op or condo board test water in common areas and apartments?

Yes. A project can include representative fixtures, complaint locations or other points selected around the board’s objectives and building layout.

Why can older New York buildings have mixed plumbing materials?

Repairs and renovations are often completed in stages, leaving different generations of service lines, risers, branch piping and fixtures within the same property.

Does clear water mean a brownstone’s plumbing is not contributing metals?

No. Lead and other dissolved metals can be present without visible discoloration, so appearance alone cannot establish the condition of the water.

Request New York City Water Testing

Tell Olympian what you want to understand about the home’s water, and the testing can be built around your specific questions and concerns.