1. Trinity Sewer Plant
FM 356 Rd, Trinity, TX 75862
Coordinate: 30.945784,-95.370224
Phone: (936) 594-5771
2. Trinity River Authority
1693 S State Highway 94, Trinity, TX 75862
Coordinate: icon:https://i1.ypcdn.com/ypu/images/icons/map-pin.png|31.0719,-95.19037
Phone: (936) 594-5349