When you're dealing with HWS, you're in the best of hands. All of our staff is licensed by the State of Texas as a Water Treatment Specialist. In fact, HWS is the only local El Paso based company with Level 3 Certified Water Treatment Specialist. Be sure to ask your current/potential water treatment provider if they carry this mandatory license. Home Water Services is a full-service company specializing in all aspects of water treatment (water softener system and RO Units) for residential and commercial applications.