Table 1. Statewide Data, Texas--All Pipelines

A. All Texas Pipeline Oil Spills--1971-1985:


 
Total spills 15,260 100.0% average/year :  1,017
Spills greater than 49 barrels 6,211 40.7% avg/yr :  414
Spills greater than 99 barrels 4,239 27.8% avg/yr : 282
Spills greater than 199 barrels  2,498 16.4% avg/yr :  167
Spills greater than 499 barrels 973 6.4% avg/yr :  65
Spills greater than 999 barrels 434 2.8 % avg/yr : 29
 
Mean spill = 215.4 barrels
Median spill = 36.8 barrels
 

B.  Texas Pipeline System--1971-1985:
 
Crude oil trunk lines  average 1971-1985 25,738 miles
Gathering lines average 1971-1985 26,968 miles
Product lines average 1971-1985 22,560 miles
Total average 1975-1985 75,266 miles

C. Average Annual Spill-rate--1971-1985:
 
All spills one spill per 78.4 line-miles per year
Spills greater than 49 barrels one spill per 189.1 line-miles per year
Spills greater than 99 barrels one spill per 276.4 line-miles per year
Spills greater than 199 barrels  one spill per 469.8 line-miles per year
Spills greater than 499 barrels one spill per 1,217.6 line-miles per year
Spills greater than 999 barrels one spill per 2,752.2 line-miles per year