Water Allotment

The basic water allotment for patrons of the district is 1/2 miners inch per assessable acre included within the district. A general rule of thumb for sprinklers irrigation is that one sprinkler can be used for each irrigated acre, subject to nozzle size and pressure. The irrigation season generally runs from April15th through September 15th, depending on the available water supply.

Nozzle Size information

Straight Bore Nozzle SBN-3

Recommended Nozzle Size

 

 7/64" 1/8" 9/64" 5/32"
PSI@ Nozzle Rad. GPM Rad. GPM Rad. GPM Rad. GPM
25 38     1.70 39     2.30 40    2.90 41    3.50
30 39     1.90 39     2.50 40     3.20 42     3.90
35 39     2.10 40    2.70 41     3.40 43     4.20
40 39     2.20  40     2.90 41     3.60 44     4.50
45 40     2.30 41     3.10 42     3.80 44     4.70
50 40     2.40 41     3.20 42     4.00 45     5.00
55 40     2.60 42     3.40 43     4.20 45     5.20
60 41     2.70 42     3.60 43     4.40 46      5.50
65 41     2.80 43     3.70 44     4.70  
70 41     2.90 43     3.80 44     4.80  
75 41     3.00 43     4.00    
 

For more information contact:
John Crowley Manager or
 Elaine Culletto Office Manager
1182 Lazy J. Lane
Corvallis MT 59828
Phone 406-961-1182
Fax 406-961-1183