The RWA is your trusted source for UCMR4.

Beginning in 1997 with the EPA’s Information Collection Rule, the precursor to the UCMR program, the RWA Lab has applied our unique insight as a water utility to assist fellow public water suppliers as they navigate the process. Whether you have questions about program requirements, are looking for a quote, or want to begin the planning process, make RWA Lab your choice for UCMR 4 inquiries and testing services.

UCMR4 Analyte Table

EPA UCMR4 Approval Certificate

We can provide insight and knowledge that can only be obtained from years of experience in both the water utility and water testing industries. Functioning as a non-profit entity allows us to ensure attentive customer support and cost-effective pricing.

Partnering with RWA Lab for your UCMR4 program ensures the highest level of professional expertise and data quality available. Call Thomas Burns, our laboratory client service representative, at 203-401-6743 or email him at for pricing information.

Planning is the key to success for UCMR4 – let the RWA help you progress through this series of UCMR testing as efficiently as possible.