We make compliance easy offering field collection services 7 days a week.
Call for a Quote TODAY (214) 334-1283
We make compliance easy offering field collection services 7 days a week.
Call for a Quote TODAY (214) 334-1283

Pure Water Source Laboratory Services, LLC is no stranger to the water and wastewater industry. With over 50 years of industry experience, we are passionate about helping our clients understand not only their lab compliance monitoring and reporting needs, but the current and upcoming regulatory requirements that attribute to it.
Here at PWS Lab, we provide reliable analytical results using TCEQ NELAP-approved methods to municipal water and wastewater systems. We ensure systems receive state-reporting results timely and comply with associated TCEQ and EPA rules responsible for implementing the Safe Drinking Water Act, Clean Water Act, and state-regulatory requirements.
PWS Lab provides field collection services 5 days a week including weekend emergency sampling requests. We also extend other-related services to meet your water system needs through our registered engineering firm partner - Elston Johnson and Associates - whether requesting assistance in permitting, planning and design, regulatory, and/or
PWS Lab provides field collection services 5 days a week including weekend emergency sampling requests. We also extend other-related services to meet your water system needs through our registered engineering firm partner - Elston Johnson and Associates - whether requesting assistance in permitting, planning and design, regulatory, and/or funding assistance needs - they are your people! Our collective mission on customer service top priority, and we are your one-trusted, one-stop laboratory shop and consulting services.
At PWS Laboratory, we make meeting compliance easy. We are committed to producing technically valid, legally defensible analytical results through a culture of quality, integrity, continuous improvement, and exceptional customer service. We meet or exceed the requirements of the TNI Standard, Texas NELAP accreditation, applicable regulatory programs, and the expectations of the clients and communities we serve, With over 50 years of professional experience across local, state, and federal levels, we provide more than laboratory water and wastewater results -our priority is to serve, guide, and provide the best customer service to our clientele.

At PWS Laboratory, we deliver reliable and timely analytical results and reporting, backed by customer-first support—including field collection services 7 days a week.

In partnering with EJA, a registered engineering firm in Texas with over 150 years of industry experience, we provide engineering design and review, permitting, and operational services.
Open today | 09:00 am – 04:30 pm |
Please call and leave a voicemail to set-up emergency, special sample pick-up. Someone will return your call with the hour.
Sign up for the PWS Lab Services quarterly newsletter to begin March 2026 where Amy will provide the latest on the ground, and at the state and federal levels in our water industry.
Pure Water Source Laboratory Services, LLC
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