Figure: 30 TAC §303.72(a)
Municipal
Assessment
Rate		 = I-M(N)
__________________________________________________
(RFs)(AFs) + AF1 + (RF2)(AF2) + (RF3)(AF3)...(RFn) (AFn)
Where:
I:Income needed to meet the adopted budget
M:Base charge per account
N:Total number of accounts to be assessed in the water division
n:Code number corresponding to a category or type of use
RFn:Rate factor for each of the following categories of use:
municipal 
industrial 
irrigation 
mining 
hydroelectric 
recreation 
recharge 
salt water 
spreader dam diversion 
secondary use 
water-in-transit discharge 
water-in-transit diversion 
on-channel storage 		 - 
- 
- 
- 
- 
- 
- 
- 
- 
- 
- 
- 
- 
 RF1 = 1.00
RF2 = 1.00
RF3 = 0.80
RF4 = 1.00
RF5 = 0.05
RF6 = 1.00
RF7 = 0.50
RF8 = 0.10
RF9 = 0.40
RFl0 = 0.50
RF11 = 1.00
RF12 = 1.00
RFs = 0.40
AFn:Total water division authorization to be assessed for each of the above
categories of use, which are used in this section as follows:

Municipal--The total amount of water authorized for diversion under a
water right for this purpose.

Industrial, Mining, Recreation, or Salt Water Diversions--The total amount
of water authorized for consumptive use for each of these categories of
use under a water right; in the event there is no specific authorization for
consumptive use, the assessment shall be based on the total amount of
water authorized for diversion under the water right;

Irrigation, Hydroelectric, Recharge, Spreader Dam Diversions, or
Secondary Use--The total amount of water authorized for diversion for
each of these categories of use under a water right;

On-channel Storage--The total amount authorized for impoundment
under a water right; this category only includes on-channel reservoirs
authorized under the Texas Water Code, §11.121;

Water-in-Transit Discharge--The total amount of water authorized for
discharge under a water right for water-in-transit;

Water-in-Transit Diversion--The total amount of water authorized for
diversion under a water right for water-in-transit.