General Irrigation Ground-water Withdrawals in Louisiana by Parish and Source, 1960 - 2000    
   
(In million gallons per day.  Summations of numbers in columns may differ slightly from totals due to rounding.)  
Parish 1960 1965 1970 1975 1980 1985 1990 1995 2000  
Acadia 0.4 0.04 0 2.56 0 4.48 0 0 1.42  
Allen 0 0 0 0.1 0 0 0 0 0.03  
Ascension 0.04 0.64 0.38 1.23 0 0 0 0.03 0.06  
Assumption 0 0 0 0 0 0 0 0 0  
Avoyelles 0 0 0 1.33 0.01 0 0.01 0.01 0.25  
Beauregard 0 0 0 0 0 0 0.09 0 0  
Bienville 0 0 0.01 0.08 0 0 0 0 0  
Bossier 0.03 0.2 0.2 0 0.01 0.06 0 0 0.03  
Caddo 0.08 1.67 2.73 1.8 0.8 0.72 0.91 0.49 2.58  
Calcasieu 0 0 0 1.4 0 0 0 0 0.81  
Caldwell 0 0 0.11 0.01 0 0 0.32 0.03 0  
Cameron 0 0 0 0 0 0 0 0 0.04  
Catahoula 0.08 0 0.36 0.36 0 0 1.6 2.19 3.86  
Claiborne 0 0 0 0 0 0 0 0 0  
Concordia 0 0 0 0.38 0 0 1.2 2.22 4.37  
De Soto 0 0 0 0 0 0 0 0.01 0.01  
E. Baton Rouge 0 0 0.35 0.19 0.14 0.06 0.12 0.09 0.26  
E. Carroll 0.22 1 1.18 0.5 2.37 1.21 10.42 9.58 18.35  
E. Feliciana 0 0 0 0.05 0.03 0.24 0.23 0.22 0.17  
Evangeline 0.1 0.1 0 1.79 0.49 0.5 0.02 0 0  
Franklin 1.8 2.03 4.01 9.07 0.4 3.55 11.58 2.2 19.65  
Grant 0 0 0 0 0 0 0 0 0  
Iberia 0 0 0 2.41 6.27 6.18 0.11 0.11 0.22  
Iberville 0 0 0 0 0 0 0 0 0  
Jackson 0 0 0 0.32 0 0 0 0 0  
Jefferson 0 0.7 0.18 0.34 0.19 0.18 0.07 0.04 0.04  
Jefferson Davis 0.8 0.8 0 0.53 0 0 8.83 0.29 0.27  
Lafayette 0 0 0 1.47 0 0 0.02 0 0  
Lafourche 0 0 0 0 0 0 0 0 0  
La Salle 0 0 0 0 0 0 0.03 0 0  
Lincoln 0 0 0.04 0.11 0.13 0.02 0 0.09 0.01  
Livingston 0.76 0.63 0.94 0.19 0.04 0.03 0.05 0.05 0.05  
Madison 0.04 0 0.73 1.28 0.25 1.13 3.14 7.2 8.93  
Morehouse 0.76 1.79 6.4 7.17 4.84 6.7 4.41 11.09 15.1  
Natchitoches 0.1 0 0.06 0 0 0 0.05 0.51 0.37  
Orleans 0 0 0.07 0.07 0.11 0.08 0.02 0.02 0.02  
Ouachita 0 0 0 0.18 0.89 0.5 0.61 0.07 0.12  
Plaquemines 0 0 0 0 0 0 0 0 0.1  
Pointe Coupee 0 0 0 0 0 0 0 0 0.66  
Rapides 0.07 0.06 0.01 0.01 0 0 0 0 0.4  
Red River 0 0.04 1.38 2.85 0 0.8 0.42 0.18 0.59  
Richland 0.4 0.72 1.81 9.94 3.84 2.2 1.57 2.28 6.79  
Sabine 0 0 0 0 0 0 0 0 0.01  
St. Bernard 0.01 0 0 0 0 0 0 0 0  
St. Charles 0 0 0 0 0 0 0 0 0  
St. Helena 0 0 0 0 0 0.07 0 0 0  
St. James 0.01 0.27 0.02 0.11 0.01 0 0 0 0  
St. John the Bapt. 0 0 0.07 0 0 0 0 0 0  
St. Landry 0 0 0 0.27 0 0 0 0 1.7  
St. Martin  0 0 0 0.09 0 0 0 0 0  
St. Mary 0 0 0 0.92 0 0 0 0 0  
St. Tammany  0.83 0.47 0.22 0.54 0.08 0.69 0.75 0.8 0.56  
Tangipahoa 2.32 2.5 1.78 1.82 2.58 1.26 0.45 0.3 0.27  
Tensas 0.02 0.18 0.09 0.17 0 0.02 1.71 2.68 8.89  
Terrebonne 0 0 0 0 0 0 0 0 0  
Union 0 0 0 0.1 0 0 0 0 0  
Vermilion 0.16 0.2 0 2.4 0 0 0 0 0.58  
Vernon 0 0 0.04 0.11 0 0 0 0 0  
Washington 0.06 0.07 0.11 0.11 0.18 0.36 0 0 0  
Webster 0 0 0 0 0 0 0 0 0  
W. Baton Rouge 0 0.11 0.17 0.02 0 0 0 0 0  
W. Carroll 0.07 0.34 0.32 2.42 1.39 3.54 4.75 9.58 11.48  
W. Feliciana 0 0 0 0.21 0 0 0 0 0  
Winn 0 0 0 0.27 0 0 0 0 0  
Total Use  9.16 14.56 23.77 57.28 29.37 34.58 53.49 52.36 109.05