| EMPCO ABANDONED SYSTEMS | 417 | 204 | 22 |
| BAYTOWN - SAN ANTONIO (SAPL) | 238 | 26 | 8 |
| BAYTOWN - IRVING PRDS (BIPL) | 90 | 14 | 5 |
| MT BELVIEU - VICTORIA/GREENLAKE CHEM GR | 85 | 9 | 3 |
| MT BELVIEU - VICTORIA/GREENLAKE CHEM GR | 80 | 11 | 4 |
| BAYTOWN - IRVING PRDS (BIPL) | 59 | 8 | 2 |
| DIANA HOOVER ONSHORE CRUDE | 56 | 19 | 3 |
| BOP - PRODUCT BUTADIENE | 56 | 4 | 3 |
| DELAWARE BASIN | 48 | 4 | 4 |
| BAYTOWN - IRVING PRDS (BIPL) | 46 | 5 | 2 |
| MT BELVIEU - VICTORIA/GREENLAKE CHEM GR | 41 | 42 | 2 |
| BPU BUTYLENE | 40 | 3 | 2 |
| BAYTOWN - SAN ANTONIO (SAPL) | 39 | 5 | 3 |
| SATSUMA-BAYTOWN 8" LPG | 38 | 2 | 1 |
| BAYTOWN - SAN ANTONIO (SAPL) | 37 | 19 | 2 |
| BOP-JCT A 6" LPG | 34 | 13 | 2 |
| PCU CHEMICAL GRADE PROPYLENE | 31 | 9 | 3 |
| BOP ETHYLENE | 28 | 19 | 2 |
| BAYTOWN - ALDINE-HIA PRODUCTS | 27 | 5 | 1 |
| BAYTOWN - IRVING PRDS (BIPL) | 27 | 8 | 2 |
| PCU CHEMICAL GRADE PROPYLENE | 24 | 7 | 2 |
| BOP - PRODUCT BUTADIENE | 23 | 4 | 2 |
| BOP - PRODUCT BUTADIENE | 20 | 2 | 1 |
| BAYTOWN - IRVING PRDS (BIPL) | 20 | 2 | 1 |
| PCU CHEMICAL GRADE PROPYLENE | 19 | 4 | 1 |
| BAYTOWN - IRVING PRDS (BIPL) | 17 | 3 | 2 |
| BAYTOWN - IRVING PRDS (BIPL) | 16 | 6 | 2 |
| BAYTOWN - IRVING PRDS (BIPL) | 16 | 4 | 2 |
| BAYTOWN - IRVING PRDS (BIPL) | 15 | 4 | 1 |
| VANDERBILT-MT BELVIEU DILUTE PROPYLENE | 14 | 6 | 2 |
| MT BELVIEU - BOP NGL B FEEDLINE | 14 | 10 | 2 |
| SATSUMA-BAYTOWN CRUDE | 14 | 9 | 1 |
| BAYTOWN - MT BELVIEU DIL PROPYLENE | 13 | 5 | 2 |
| BAYTOWN PCU POLYMER GRADE PROPYLENE | 13 | 2 | 2 |
| MT BELVIEU - VICTORIA/GREENLAKE CHEM GR | 13 | 9 | 2 |
| BOP - PRODUCT BUTADIENE | 13 | 1 | 1 |
| BAYTOWN - IRVING PRDS (BIPL) | 13 | 3 | 1 |
| BAYTOWN PCU BUTENE | 12 | 4 | 2 |
| BOP ETHYLENE | 12 | 11 | 2 |
| MT BELVIEU - BOP NGL C FEEDLINE | 12 | 5 | 2 |
| KING RANCH AREA GATHERING | 12 | 4 | 2 |
| MT BELVIEU - VICTORIA/GREENLAKE CHEM GR | 12 | 9 | 2 |
| BOP OFF SPEC ETHYLENE | 12 | 6 | 2 |
| MT BELVIEU - VICTORIA/GREENLAKE CHEM GR | 12 | 4 | 2 |
| LYONDELL TERTIARY BUTYL ALCOHOL SYSTEM - | 12 | 6 | 1 |
| MT BELVIEU - BOP ETHANE-PROPANE MIX | 11 | 5 | 2 |
| WEBSTER-ARCO-RANCHO-BAYTOWN CRUDE | 11 | 1 | 1 |
| BAYTOWN - IRVING PRDS (BIPL) | 10 | 3 | 2 |
| BAYTOWN - IRVING PRDS (BIPL) | 10 | 5 | 2 |
| BAYTOWN - PASADENA PRODUCTS | 10 | 2 | 1 |
| BAYTOWN - SAN ANTONIO (SAPL) | 10 | 6 | 1 |
| BAYTOWN - PASADENA PRODUCTS | 10 | 2 | 1 |
| PCU CHEMICAL GRADE PROPYLENE | 10 | 4 | 2 |
| BAYTOWN - MT BELVIEU ISOBUTANE | 9.9 | 5 | 2 |
| BAYTOWN - PASADENA PRODUCTS | 9.9 | 2 | 1 |
| PASADENA (CROWN) - BAYTOWN (PCU) DIL- PR | 9.5 | 4 | 1 |
| MT BELVIEU - VICTORIA/GREENLAKE CHEM GR | 9.3 | 3 | 1 |
| PCU CHEMICAL GRADE PROPYLENE | 9.3 | 2 | 1 |
| BAYTOWN - IRVING PRDS (BIPL) | 8.9 | 2 | 1 |
| BAYTOWN - IRVING PRDS (BIPL) | 7.8 | 2 | 2 |
| BAYTOWN - ALDINE-HIA PRODUCTS | 7.7 | 2 | 1 |
| BOP CRUDE BUTADIENE | 7.1 | 2 | 1 |
| BAYTOWN - IRVING PRDS (BIPL) | 7.0 | 2 | 1 |
| NORTH ETHANE | 7.0 | 7 | 1 |
| BOP - PRODUCT BUTADIENE | 6.9 | 1 | 1 |
| BAYTOWN - HUBER PLANT RP | 6.8 | 2 | 1 |
| BPU BUTYLENE | 6.5 | 3 | 1 |
| PCU CHEMICAL GRADE PROPYLENE | 6.2 | 2 | 1 |
| VANDERBILT-MT BELVIEU DILUTE PROPYLENE | 6.1 | 2 | 1 |
| BOP - PRODUCT BUTADIENE | 6.0 | 1 | 1 |
| PCU CHEMICAL GRADE PROPYLENE | 4.9 | 2 | 1 |
| DIANA HOOVER ONSHORE CRUDE | 4.4 | 3 | 1 |
| DIANA HOOVER ONSHORE CRUDE | 4.1 | 2 | 1 |
| IRVING - LOVE FIELD PRODUCTS | 3.7 | 1 | 1 |
| PCU CHEMICAL GRADE PROPYLENE | 3.6 | 2 | 1 |
| BAYTOWN PCU POLYMER GRADE PROPYLENE | 3.5 | 1 | 1 |
| ANAHUAC - BAYTOWN | 3.3 | 1 | 1 |
| BAYTOWN PCU POLYMER GRADE PROPYLENE | 3.3 | 1 | 1 |
| BAYPORT NITROGEN | 3.3 | 1 | 1 |
| PCU CHEMICAL GRADE PROPYLENE | 3.2 | 2 | 1 |
| IRVING - LOVE FIELD PRODUCTS | 3.2 | 1 | 1 |
| BPU BUTYLENE | 3.2 | 1 | 1 |
| BAYTOWN PCU POLYMER GRADE PROPYLENE | 3.1 | 1 | 1 |
| BPU BUTYLENE | 3.0 | 1 | 1 |
| BAYTOWN - CORRIDOR JCT OXYGEN | 3.0 | 2 | 1 |
| PCU CHEMICAL GRADE PROPYLENE | 2.9 | 2 | 1 |
| BAYTOWN-BAYPORT-TEXAS CITY (TX-188) | 2.9 | 4 | 1 |
| MT BELVIEU - CEDAR BAYOU WASTE WATER | 2.8 | 1 | 1 |
| PCU CHEMICAL GRADE PROPYLENE | 2.8 | 2 | 1 |
| MT BELVIEU - BOP ETHANE-PROPANE MIX | 2.7 | 3 | 1 |
| STRANG ROAD-ALEXANDER ISLAND | 2.5 | 2 | 1 |
| BPU BUTYLENE | 2.5 | 1 | 1 |
| BAYTOWN - SAN ANTONIO (SAPL) | 2.4 | 1 | 1 |
| VANDERBILT-MT BELVIEU DILUTE PROPYLENE | 2.3 | 3 | 1 |
| PCU CHEMICAL GRADE PROPYLENE | 2.2 | 2 | 1 |
| BAYTOWN-BAYPORT-TEXAS CITY (TX-188) | 2.1 | 1 | 1 |
| IRVING - LOVE FIELD PRODUCTS | 1.9 | 1 | 1 |
| IRVING - LOVE FIELD PRODUCTS | 1.9 | 1 | 1 |
| PCU CHEMICAL GRADE PROPYLENE | 1.8 | 1 | 1 |
| BOP - PRODUCT BUTADIENE | 1.8 | 1 | 1 |
| MT BELVIEU - JCT A-BOP EP MIX | 1.8 | 1 | 1 |
| MT BELVIEU - VANDERBILT BUTANE | 1.7 | 2 | 1 |
| BOP - PRODUCT BUTADIENE | 1.6 | 2 | 1 |
| PCU CHEMICAL GRADE PROPYLENE | 1.6 | 4 | 1 |
| PASADENA COLONIAL / EXPLORER PRODUCTS | 1.5 | 1 | 1 |
| PASADENA COLONIAL / EXPLORER PRODUCTS | 1.5 | 1 | 1 |
| VANDERBILT-MT BELVIEU DILUTE PROPYLENE | 1.5 | 2 | 1 |
| PASADENA COLONIAL / EXPLORER PRODUCTS | 1.4 | 1 | 1 |
| BEAUMONT RGP SYSTEM | 1.3 | 2 | 1 |
| PCU CHEMICAL GRADE PROPYLENE | 1.3 | 2 | 1 |
| ENTERPRISE EAST-MT BELVIEU LPG | 1.3 | 1 | 1 |
| TABBS BAY 10" CROSSING | 1.2 | 1 | 1 |
| CLEAR LAKE - TET (BAYTOWN) PROPANE | 1.2 | 1 | 1 |
| VANDERBILT-MT BELVIEU DILUTE PROPYLENE | 1.2 | 2 | 1 |
| BAYTOWN PCU POLYMER GRADE PROPYLENE | 1.2 | 1 | 1 |
| HOUSTON SHIP CHANNEL-SCOTTS BAY CROSSING | 1.1 | 1 | 1 |
| HOUSTON SHIP CHANNEL-SCOTTS BAY CROSSING | 1.1 | 1 | 1 |
| CLEAR LAKE - TET (BAYTOWN) PROPANE | 1.1 | 1 | 1 |
| BAYTOWN REF-HL&P CO HFO RP | 1.0 | 1 | 1 |
| CLEAR LAKE - TET (BAYTOWN) PROPANE | 1.0 | 1 | 1 |
| PCU CHEMICAL GRADE PROPYLENE | 1.0 | 2 | 1 |
| HOUSTON SHIP CHANNEL-SCOTTS BAY CROSSING | 1.0 | 1 | 1 |
| HOUSTON SHIP CHANNEL-SCOTTS BAY CROSSING | 1.0 | 1 | 1 |
| MT BELVIEU - VICTORIA/GREENLAKE CHEM GR | 1.0 | 1 | 1 |
| PCU CHEMICAL GRADE PROPYLENE | 0.9 | 1 | 1 |
| BOP RAFFINATE | 0.9 | 2 | 1 |
| WEBSTER-ARCO-RANCHO-BAYTOWN CRUDE | 0.8 | 3 | 1 |
| CLEAR LAKE - TET (BAYTOWN) PROPANE | 0.7 | 1 | 1 |
| WEBSTER-ARCO-RANCHO-BAYTOWN CRUDE | 0.7 | 2 | 1 |
| BPU - TEXAS PETRO ACETONE | 0.7 | 1 | 1 |
| BAYTOWN PCU POLYMER GRADE PROPYLENE | 0.7 | 1 | 1 |
| BAYTOWN PCU POLYMER GRADE PROPYLENE | 0.6 | 1 | 1 |
| NECHES RIVER CROSSING | 0.6 | 2 | 2 |
| DIANA HOOVER OFFSHORE | 0.6 | 1 | 1 |
| PCU CHEMICAL GRADE PROPYLENE | 0.6 | 3 | 1 |
| CLEAR LAKE - BAYTOWN LPG | 0.6 | 3 | 1 |
| MT BELVIEU - VICTORIA/GREENLAKE CHEM GR | 0.6 | 1 | 1 |
| KINDER MORGAN TO MONT BELVIEU NATURAL GA | 0.5 | 1 | 1 |
| BAYTOWN-BAYPORT-TEXAS CITY (TX-188) | 0.5 | 1 | 1 |
| IRVING - LOVE FIELD PRODUCTS | 0.5 | 1 | 1 |
| WEBSTER - BAYTOWN CRUDE | 0.5 | 1 | 1 |
| PCU CHEMICAL GRADE PROPYLENE | 0.5 | 1 | 1 |
| BOP CRUDE BUTADIENE | 0.4 | 1 | 1 |
| BAYTOWN - IRVING PRDS (BIPL) | 0.4 | 1 | 1 |
| BOP-TOP JCT 4" HYDROGEN | 0.4 | 1 | 1 |
| BOP - PRODUCT BUTADIENE | 0.4 | 1 | 1 |
| BAYTOWN PCU POLYMER GRADE PROPYLENE | 0.3 | 1 | 1 |
| WEBSTER - BAYTOWN CRUDE | 0.3 | 1 | 1 |
| JCT 448-JCT 450 4" ETHYLENE | 0.3 | 2 | 1 |
| BOP - PRODUCT BUTADIENE | 0.3 | 2 | 1 |
| BAYTOWN PCU POLYMER GRADE PROPYLENE | 0.3 | 1 | 1 |
| MT BELVIEU - TEPPCO DILUTE PROPYLENE | 0.2 | 1 | 1 |
| BAYTOWN - SAN ANTONIO (SAPL) | 0.2 | 1 | 1 |
| BOP PROPANE | 0.2 | 1 | 1 |
| PASADENA (CROWN) - BAYTOWN (PCU) DIL- PR | 0.2 | 1 | 1 |
| MT BELVIEU - TEPPCO DILUTE PROPYLENE | 0.2 | 1 | 1 |
| MT BELVIEU - TEPPCO DILUTE PROPYLENE | 0.2 | 1 | 1 |
| BAYTOWN PCU POLYMER GRADE PROPYLENE | 0.2 | 1 | 1 |
| IRVING DELIVERY LINE | 0.1 | 1 | 1 |
| BOP CRUDE BUTADIENE | 0.1 | 2 | 1 |
| BAYTWN EX CHEM-BAYOU PL BAYTWN PL | 0.1 | 1 | 1 |
| BAYTOWN - IRVING PRDS (BIPL) | 0.1 | 1 | 1 |
| IRVING DELIVERY LINE | 0.1 | 1 | 1 |
| BOP CRUDE BUTADIENE | 0.1 | 1 | 1 |
| DIANA HOOVER ONSHORE CRUDE | 0.1 | 1 | 1 |
| BOP - PRODUCT BUTADIENE | 0.1 | 1 | 1 |
| MT BELVIEU - JCT SHELL 6" ETHYLENE | 0.1 | 1 | 1 |
| PCU CHEMICAL GRADE PROPYLENE | 0.1 | 1 | 1 |
| PCU CHEMICAL GRADE PROPYLENE | 0.1 | 1 | 1 |
| BAYTOWN PCU POLYMER GRADE PROPYLENE | 0.1 | 1 | 1 |
| PCU CHEMICAL GRADE PROPYLENE | 0.1 | 1 | 1 |
| BAYTOWN NITROGEN | 0.1 | 1 | 1 |
| MT BELVIEU - BOP ETHANE-PROPANE MIX | 0.0 | 1 | 1 |
| BAYTOWN - MT BELVIEU DIL PROPYLENE | 0.0 | 1 | 1 |
| BAYTOWN - ALDINE-HIA PRODUCTS | 0.0 | 1 | 1 |
| PCU CHEMICAL GRADE PROPYLENE | 0.0 | 1 | 1 |
| WEBSTER-ARCO-RANCHO-BAYTOWN CRUDE | 0.0 | 1 | 1 |
| VANDERBILT-MT BELVIEU DILUTE PROPYLENE | 0.0 | 2 | 1 |
| SAN ANTONIO DELIVERY LINE | 0.0 | 1 | 1 |
| BAYTOWN - MT BELVIEU ISOBUTANE | 0.0 | 1 | 1 |
| BAYTOWN - ALDINE-HIA PRODUCTS | 0.0 | 2 | 1 |
| BOP CRUDE BUTADIENE | 0.0 | 1 | 1 |
| PCU CHEMICAL GRADE PROPYLENE | 0.0 | 1 | 1 |
| PCU CHEMICAL GRADE PROPYLENE | 0.0 | 1 | 1 |
| SAN ANTONIO DELIVERY LINE | 0.0 | 1 | 1 |
| PCU CHEMICAL GRADE PROPYLENE | 0.0 | 1 | 1 |
| DIANA HOOVER ONSHORE CRUDE | 0.0 | 1 | 1 |
| MT BELVIEU - VICTORIA/GREENLAKE CHEM GR | 0.0 | 1 | 1 |
| BAYTWN EX CHEM-BAYOU PL BAYTWN PL | 0.0 | 1 | 1 |
| PCU CHEMICAL GRADE PROPYLENE | 0.0 | 1 | 1 |
| BOP CRUDE BUTADIENE | 0.0 | 1 | 1 |
| MT BELVIEU - VICTORIA/GREENLAKE CHEM GR | 0.0 | 1 | 1 |
| VANDERBILT-MT BELVIEU DILUTE PROPYLENE | 0.0 | 1 | 1 |
| BOP - PRODUCT BUTADIENE | 0.0 | 1 | 1 |
| BOP - PRODUCT BUTADIENE | 0.0 | 2 | 1 |
| BAYTOWN - IRVING PRDS (BIPL) | 0.0 | 1 | 1 |