915.01 RATES BASED ON WATER USAGE.
   The following sewer rates as recommended by the Public Utilities Board are hereby approved:
   (a)    Residential. All customers billed on the basis of water usage shall pay sewer charges as follows:
 
 Cubic Feet per Month    Rate per 100 cu. ft.
First 1,000             $.54
Next 9,000             .44
Next 10,000             .34
Over 20,000             .24
Minimum charge: $3.30 per month for 600 cu. ft. or less
Garbage disposal: $ .50 per month
   (b)    Industrial and Commercial. All customers billed on the basis of water usage shall pay sewer charges as follows:
 
Cubic Feet per Month    Rate per 100 cu. ft.
First 1,000             $ .68
Next 9,000             .58
Next 10,000             .48
Over 20,000             .38
Minimum charge: $5.70 per month for 840 cu. ft. or less
Garbage disposal: $1.25 per month
The above charges shall be increased twenty-five percent for customers outside of the City limits.
(Administrative Order 1. Passed 4-19-76.)