Home Services Laboratory Services Environmental Chemistry Services Environmental Microbiology Lab Services Lab Contacts Rabies Lab Services Resources Texas Public Health Region 6/5 Follow us on Page last reviewed: August 30, 2023 Environmental Chemistry Services Documents Lead in Drinking Water Sample Collection Guide Lead in Drinking Water Testing Information – fees (Laboratory 9010) Chemistry Lab Chain of Custody Form Helpful Links EPA Ground Water and Drinking Water web page Lead (Pb) Toxicity: What Are U.S. Standards for Lead Levels? | Environmental Medicine | ATSDR (cdc.gov) Texas Commission on Environmental Quality (TCEQ) Texas Drinking Water Watch