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
Recreational Water & Public Pools
Compliance Testing Services for Recreational Water & Public Pools
Other Services
Have a different need? Contact us for more information.
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
Join the MJRA Family
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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MJRA Recognizes its Role and Responsibility Locally and Regionally
MJRA recognizes its role and responsibility locally and regionally, annually contributing time and resources to fellow community organizations. Over this past year, MJRA has made several contributions supporting various charitable groups, including: Animal Rescue...
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