About

About North Water District Laboratory Services, Inc. North Water District Laboratory Services (NWDLS) is a trusted environmental testing laboratory based northeast of Houston specializing in comprehensive water and wastewater analysis across the state of Texas. We support municipalities, industries, and utilities with services including collection and analysis for TPDES permittees, PWS facilities, dredge material placement evaluations, compliance consulting, and everything in between! With a team of certified professionals and state-of-the-art laboratory methods, NWDLS ensures clients stay ahead of regulatory requirements while protecting public health and the environment. As a proud partner to Texas water and wastewater operators, we combine technical expertise with personalized service—delivering reliable results, practical solutions, and peace of mind. North Water District Laboratory Services (NWDLS) is a trusted environmental testing laboratory based northeast of Houston specializing in comprehensive water and wastewater analysis across the state of Texas. We support municipalities, industries, and utilities with services including collection and analysis for TPDES permittees, PWS facilities, dredge material placement evaluations, compliance consulting, and everything in between! With a team of certified professionals and state-of-the-art laboratory methods, NWDLS ensures clients stay ahead of regulatory requirements while protecting public health and the environment. As a proud partner to Texas water and wastewater operators, we combine technical expertise with personalized service—delivering reliable results, practical solutions, and peace of mind.