Certified Water Testing Laboratory Experts · Brooklyn

Water testing & analysis in Brooklyn.

NYS ELAP certified water testing services for commercial properties, management companies, food businesses, schools, residential buildings, brownstones, co-ops, and institutions throughout Brooklyn.

New York

(212) 461-3879

New Jersey

(908) 772-8601

New York

(203) 780-2022

Water Testing & Analysis Services

Certified Laboratory Water Testing in Brooklyn

Lead testing · Potability testing · Legionella testing · PFAS analysis · Bacteria & E. coli · Total coliform · Turbidity · VOC analysis · Water quality reports · Certified results

Lead Testing & Heavy Metals Analysis

Certified lead testing for Brooklyn brownstones, pre-war buildings, co-ops, condominiums, and commercial properties. Lead, copper, arsenic, iron, manganese. On-site sampling at the point of use.

EPA Method 200.8

Bacteria Testing & Potability Analysis

Total coliform, E. coli, HPC, and potability testing at the point of use. Required for food businesses, restaurants, schools, daycares, and commercial properties with NYC DOH compliance needs.

SM 9223B

Legionella Water Testing

Point-of-use Legionella analysis for cooling towers, showers, faucets, pools, spas, and decorative water features.

EPA 200.8

PFAS & Chemical Contaminant Analysis

Comprehensive PFAS screening including PFOA, PFOS, and related compounds. No color, taste, or odor — only certified laboratory analysis detects them. Available as standalone or full panel.

ISO 11731

Corrosion, Turbidity & Water Quality Analysis

Copper, iron, manganese, zinc, pH, turbidity, hardness. Full water quality reports identifying the source of discoloration, metallic taste, scaling, and corrosion in Bronx building plumbing.

EPA 200.8

Multi-Draw Diagnostic Water Analysis

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

ISO 11731

Commercial Water Testing

Bronx commercial & institutional water testing clients

Property Management Companies

Certified water testing programs for Bronx property management companies. Lead testing, potability, Legionella, and annual water quality analysis with documented results and compliance reports.

Restaurants & Food Businesses

NYC DOH and EPA compliance water testing for Bronx food businesses, restaurants, catering facilities, and food packaging operations. Potability testing, bacteria analysis, and certified results.

Schools, Daycares & BOCES

Lead testing under New York State's 3Ts program (Training, Testing, Taking Action) for Bronx schools, daycares, and BOCES facilities. NYS DOH compliant sampling, certified results, and remediation guidance.

Healthcare & Institutions

Legionella water management programs, potability testing, and certified water quality analysis for Bronx healthcare facilities, nursing homes, and institutional properties.

Hi-Rise & Multi-Family Buildings

Building-wide lead testing, Legionella sampling, and water quality analysis for Bronx hi-rise apartment buildings, co-ops, condominiums, and large multi-family residential properties.

Commercial & Industrial Facilities

Certified water testing and water quality analysis for Bronx commercial facilities, industrial operations, packaging plants, and businesses requiring documented compliance results.

Brooklyn Service Area

Certified water testing throughout Brooklyn

Commercial, residential, institutional. Serving Brooklyn since 1991.

Park Slope

Williamsburg

Bed-Stuy

Crown Heights

Carroll Gardens

DUMBO

Brooklyn Heights

Fort Greene

Cobble Hill

Prospect Heights

Flatbush

Bushwick

Greenpoint

Red Hook

Sunset Park

Bay Ridge

Bensonhurst

Sheepshead Bay

Canarsie

Borough Park

Compliance Programs

Regulatory water testing programs

Schools & Childcare

NYS 3Ts Lead Testing — Schools, Daycares & BOCES

New York State requires certified lead testing at all potable outlets in schools and childcare facilities under the 3Ts (Training, Testing, Taking Action) framework. Olympian provides sampling, certified laboratory results, compliance reports, and remediation guidance.

NYC Local Law 77

Legionella Testing & Water Management Programs

NYC Local Law 77 requires certified Legionella testing and water management plans for cooling towers. Olympian provides sampling, ISO 11731 certified analysis, and documentation for Bronx property owners and management companies.

Why Olympian

Expert water testing consultants

Laboratory Analysis

On-Site Sampling at Your Point of Use

Results from your specific fixture — not a building average or estimate. Certified water testing specialists collect samples at your Brooklyn property following EPA-approved protocols.

Certified Reports

Water Quality Reports with Expert Analysis

Every engagement includes certified water quality reports with EPA action level comparisons, plain-language findings, and expert guidance from our licensed water testing consultants.

How It Works

Regulatory water testing programs

01

Manhattan

Pre-war co-ops, high-rise towers, brownstones, and commercial properties throughout the borough.

02

On-Site Sampling

Certified specialists collect samples at your property — directly from your fixtures, with full chain-of-custody documentation.

03

Certified Results

Analyzed at NELAP accredited analysis. NYS ELAP certified results with EPA action level comparisons delivered to you.

FAQ

Frequently asked questions

Why does brown water sometimes appear in Brooklyn buildings

Brown water in Brooklyn buildings is typically caused by sediment or internal buildup that becomes dislodged within plumbing systems. This can occur due to changes in water flow, pressure shifts, hydrant flushing, or nearby construction activity. In older buildings, pipes may contain accumulated material that remains stable under normal conditions but can be disturbed when system dynamics change.

While brown water is often temporary and clears after running the tap, recurring issues may indicate underlying plumbing conditions that require further evaluation. Because visual appearance alone cannot determine the cause, certified water testing laboratories analyze samples to identify whether sediment, corrosion, or other factors are contributing to the issue.

Professional water testing consultants use these results to assess whether the condition is isolated or related to broader building infrastructure.

Brooklyn tap water is generally safe for drinking and cooking when it leaves the municipal distribution system. New York City sources its water from protected reservoirs and treats it to meet strict safety standards before it reaches residential areas.

However, water quality can change once it enters a building’s internal plumbing system. Many Brooklyn properties, including brownstones, co-op apartments, and rental buildings, may have infrastructure that influences water conditions at the point of use. Factors such as corrosion, aging pipes, and system design can affect water before it reaches the tap.

For this reason, professional water testing provides a more accurate understanding of conditions within a specific building or apartment. Certified laboratory analysis ensures that water quality is evaluated based on actual usage conditions rather than general system-wide data.

The frequency of water testing in Brooklyn apartments depends on building age, plumbing condition, and occupancy patterns. In general, periodic testing is recommended to monitor water conditions and identify any changes over time.

Older buildings with aging infrastructure or mixed plumbing materials may benefit from more frequent testing, as these systems are more likely to influence water quality. Testing is also advisable following plumbing repairs, renovations, or noticeable changes in water appearance or taste.

Professional water testing consultants often recommend establishing a routine schedule tailored to the building’s characteristics. Certified laboratory analysis provides consistent data that helps track trends and supports proactive maintenance decisions.

Regular testing ensures that water quality is monitored accurately and helps maintain confidence in drinking water conditions within the building.

Yes, building plumbing can influence water quality even when the city supply entering the building meets all safety standards. Once water transitions into a property’s internal plumbing system, it interacts with pipes, fittings, and fixtures that vary in material and condition.

In Brooklyn buildings, particularly older properties, plumbing systems may include components that contribute to corrosion or internal buildup over time. These conditions can affect the presence of metals, sediment, or other factors within the water.

Because each building has a unique plumbing configuration, water quality can vary between units and floors. Certified water testing laboratories analyze samples from specific fixtures to determine how internal systems are affecting water conditions.

Professional consultants interpret these results to provide a clear understanding of whether any issues are related to building infrastructure rather than the municipal supply.

Professional water testing laboratories analyze a wide range of contaminants to provide a comprehensive assessment of drinking water quality. These typically include metals such as lead and copper, which are often associated with plumbing systems and corrosion.

Laboratories also test for microbial indicators, including heterotrophic plate count, total coliform, and E. coli, to evaluate the presence of bacteria within the system. In addition, analysis may include emerging contaminants such as PFAS, which require specialized testing methods due to their low concentration levels.

Other parameters, such as sediment and overall water composition, are evaluated to understand physical and chemical conditions. Certified laboratories use advanced instrumentation and standardized procedures to ensure accurate results.

Professional water testing consultants review laboratory reports and provide guidance based on the findings, helping property owners and residents understand water conditions and determine appropriate next steps.

Blog

Bronx water testing resources

Water Testing Services for Brooklyn Brownstones and Townhouses

Water Testing Services for Brooklyn Brownstones and Townhouses

Introduction Brooklyn brownstones and townhouses are among the most distinctive residential properties in New York City. Found in neighborhoods such as Park Slope, Brooklyn Heights,…

Speak with a certified water testing expert in the Brooklyn..

Residents, landlords, property managers, and commercial operators across Brooklyn are encouraged to request professional water testing services to accurately evaluate drinking water quality. Certified sampling and laboratory analysis provide reliable results that reflect actual conditions within your building or apartment. Whether you manage a historic brownstone, a co-op, a condominium, or a multi-family rental property, testing offers clear insight into how plumbing systems are influencing water at the point of use.

The process includes on-site sample collection using standardized methods, followed by detailed analysis in accredited laboratories. Professional water testing consultants guide each step, ensuring that results are accurate, clearly reported, and easy to understand. If you have concerns about water clarity, taste, corrosion, or potential contaminants, scheduling a certified test is an effective way to identify conditions and determine the appropriate next steps.

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Brooklyn · Commercial & residential · All property types