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GENERAL RATES
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Utility Billing
General Commercial Rates
Commercial customers are billed on a monthly basis and are charged a fixed monthly fee for water, irrigation, and wastewater, plus an additional commodity charge based on the amount of water and wastewater usage (see charts below).  

2008 Water Rates
METER SIZE FIXED MONTHLY CHARGE

COMMODITY CHARGES  
(per 100 cubic feet*)

Winter

Summer

5/8 - 3/4" $13.75  

$1.92

$2.96

1" $22.75  

$1.92

$2.96

1.5" $37.25 $1.92

$2.96

2"   $55.50   $1.92

$2.96

3" $143.00 $1.92

$2.96

4"   $188.00   $1.92

$2.96

6" $345.00 $1.92

$2.96

8"   $526.00   $1.92

$2.96

* 1 cubic foot of water usage = 7.48 gallons 

Irrigation Rates
Irrigation rates are charged for meters which primarily serve landscape irrigation systems.  
METER SIZE

    FIXED MONTHLY CHARGE

COMMODITY CHARGES  
(per 100 cubic feet*)

Water Only Meter

Exempt Meter

3/4" $13.75 $0   $4.20
1" $22.75 $0   $4.20
1.5" $37.25 $0 $4.20
2"   $55.50 $0   $4.20
3" $143.00 $0 $4.20
4"   $188.00 $0   $4.20
* 1 cubic foot of water usage = 7.48 gallons

Wastewater Rates 
Redmond Collection Rate
The fixed monthly charge is $14.12 per meter, which includes the first 750 cubic feet of chargeable wastewater, plus a commodity charge of $1.21 per 100 cubic feet of chargeable wastewater is assessed after the first 750 cubic feet.

King County Treatment Rate
The fixed monthly charge is $27.95 per meter, which includes the first 750 cubic feet of chargeable wastewater, plus a commodity charge of $3.727 per 100 cubic feet of chargeable wastewater is assessed after the first 750 cubic feet.

Stormwater Rates
The monthly commercial stormwater rate is computed by multiplying the fixed rate ($16.56) times the number of impervious units applicable to the parcel times the rate adjustment as determined under Redmond Municipal Code (RMC) Section 13.18.060. This formula is expressed mathematically as follows:

Fixed Rate x Impervious Units x Rate Adjustment = Monthly Charge

An impervious surface refers to any hard surfaced area such as asphalt or concrete sidewalks, paving, parking lots, etc. which prevents the entry of water into the soil.  One impervious unit is equivalent to 2,000 square feet of impervious surface area. 

Generally, the rate adjustment used to compute the monthly service charge shall be determined by taking the coverage factors and adding or subtracting any applicable water quantity and quality factors. 


For further information regarding your individual account, please contact Utility Billing at 425-556-2152 or email us at utilitybilling@redmond.gov.