Committed To Providing

The Highest Quality Data

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High Quality Environmental Testing & Reporting

M.J. Reider An environmental testing laboratory you can rely on. Our service extends beyond our report.

Our Services

Municipal Waste Water

Compliance Monitoring for Waste Water Treatment Plants

Ground Water & Surface Water

Water Quality Compliance Sampling & Testing for Landfills

Industrial Waste Water

Water Quality Monitoring of Industry Discharge

Public Drinking Water

Compliance Monitoring for Public Drinking Water Systems

Residential Drinking Water

Well Water Sampling and Testing Services

Solid Waste

Analysis of Sewage Sludge, Biosolids and Residual Waste

Frozen Desserts

Soft Serve Frozen Dessert Machine Testing

Recreational Water & Public Pools

Compliance Testing Services for Recreational Water & Public Pools

About Us

M.J. Reider  is a full service environmental testing laboratory  that specializes in the analysis of drinking water, ground water, waste water, soil, and solid materials.  

M.J. Reider Associates, Inc. is an environmental testing laboratory which has been accredited to the National Environmental Laboratory Accreditation Conference (NELAC) Standards by the Pennsylvania Department of Environmental Protection (PADEP) for drinking and waste water.  

Along with our analytical services, expert sample collection and courier services are available for municipalities, industries and private homeowners.

M.J. Reider Associates, Inc is committed and dedicated to providing only the highest quality analytical data possible to its clients.

Our Certifications

Accurate, defensible, trustworthy data starts here. An environmental testing laboratory you can rely on.

We are accredited in accordance with the National Environmental Laboratory Accreditation Program (NELAP), which is based on ISO/IEC 17025:2005 standards. This requires us to pass strict regulatory audits and pass routine proficiency testing in all matrices to ensure our analysis is up to the highest level of quality standards.

We hold accreditation for drinking water, non-potable water, and solid and chemical materials in Pennsylvania.

News & Information

Only Awesome People Need to Apply

If you enjoy working in a team, being adaptable and being client-driven along with always challenging yourself to improve and grow….look no further. We are expanding and are looking to add staff to almost all of our departments. We need fast-paced, detail-oriented...

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Committed to Technology

The laboratory industry has been experiencing rapidly changing technology since the 1980s, helping to increase accuracy, precision and throughput while attempting to decrease costs. MJRA has never wavered in its commitment to investing in the latest technology and...

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