Certificate of Delivery Downloads folder for Certificate of Delivery https://www.tceq.texas.gov/downloads/drinking-water/notices/certificate-delivery https://www.tceq.texas.gov/@@site-logo/TCEQ-1072x1072.png Certificate of Delivery Downloads folder for Certificate of Delivery Tier 1 COD BWN Tier 1 COD BWN Tier 1 COD BWN Rescind Tier 1 COD BWN Rescind Tier 1 COD Tier 1 COD Tier 2 COD Tier 2 COD Tier 3 COD Tier 3 COD