Making Compliance Easy We Collect on Weekends
PWS Lab Services
An environmental laboratory providing quality water testing to safeguard public health & ensure regulatory compliance.
Making Compliance Easy We Collect on Weekends
An environmental laboratory providing quality water testing to safeguard public health & ensure regulatory compliance.
Pure Water Source Laboratory Services, LLC boasts over 50 years of extensive experience in the water and wastewater industry. Our mission is to deliver reliable testing, responsive field services, timely reporting, and practical compliance support that help systems protect public health and meet regulatory compliance requirements.

PWS Lab coordinates drinking water and wastewater analytical services using applicable approved methods through qualified laboratory resources. We help clients manage sampling, chain of custody, laboratory coordination, results, and compliance documentation from collection through completion.

Our TCEQ Operator-Licensed field services support public water systems, municipalities, MUDs, WSCs, utilities, and other regulated entities with compliance sample collection, field measurements, WQMP services, and sample transport coordination.
Routine field collection is available Monday through Friday, with weekend and after-hours upon request.

PWS Lab provides regulatory compliance support directly in coordination with Elston Johnson & Associates, including Safe Drinking Water Act and Clean Water Act assistance, LTSCC services, compliance planning, engineering and permitting services, as well as infrastructure funding support.

From sample collection through regulatory coordination, PWS Lab helps clients manage the details so they can stay focused on operating their systems.
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