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