DCH EC's Personnel stay current with the following environmental regulations:
- National Environmental Policy Act (NEPA)
- Resource Conservation and Recovery Act (RCRA)
- Clean Air Act (CAA),
- Clean Water Act (CWA)
- National or Texas Pollution Discharge Elimination System (T(N)PDES)
- Safe Drinking Water Act (SDWA)
- Comprehensive Environmental Response Compensation and Liability Act (CERCLA (Superfund))
- Toxic Substances Control Act (TSCA)
- National Emission Standards for Hazardous Air Pollutants (NESHAP)
- and other pertinent legislation
DCH's environmental consultants maintain strong working relationships with numerous local, city, and county agencies including the following:
- Texas Commission on Environmental Quality (TCEQ)
- Railroad Commission of Texas (RRC)
- the Texas Department of State Health Services (DSHS)
- United States Army Corps of Engineers (Wetlands)
- National or Texas Pollution Discharge Elimination System (T(N)PDES)
- and numerous local, city, and county agencies.