7824 Mukilteo Speedway
PO Box 260
Mukilteo, WA  98275
425-355-3355
 

 

Westside Wastewater Service Rates


Per Resolution 141-10

 

Effective 04/01/10

Effective 01/01/11

Customer Classification* AWWA Meter Factor 2-Month Base Rate Volume Charge ($/k gal) 2-Month Base Rate Volume Charge ($/k gal)
Single Family Residence1 N/A $    96.00 N/A $     101.80 N/A
Multi-family residence2 N/A $    76.80 N/A $      81.40 N/A
Commercial-Industrial3,4:          
Retail Commercial 3/4-inch meter 1 $     63.80 $    5.69 $      67.60 $    6.03
Retail Commercial 1-inch meter 2.5 $   159.50 $    5.69 $    169.00 $    6.03
Retail Commercial 1 1/2-inch meter 5 $   319.00 $    5.69 $    338.00 $    6.03
Retail Commercial 2-inch meter 8 $   510.40 $    5.69 $    540.80 $    6.03
Retail Commercial 3-inch meter 16 $ 1,020.80 $    5.69 $  1,082.00 $    6.03
Retail Commercial 4-inch meter 25 $ 1,595.00 $    5.69 $  1,690.00 $    6.03
Retail Commercial 6-inch meter 50 $ 3,190.00 $    5.69 $  3,380.00 $    6.03
Strength Class I Volume Charge     $        -   $         -
Strength Class II Volume Charge     $    1.85   $    1.96
Strength Class III Volume Charge     $    4.50   $    4.77
Strength Class IV Volume Charge     TBD   TBD
Commercial (Contract)

115

$7,337.00 $    5.69 $32,280.00 $   5.23

Surcharge: Additionally, all customers in the Commercial-Industrial class above shall also be charged an additional surcharge based on strength of waste. Strength classes shall be measured as follows:

Strength Classes

  BOD5 Units
(Actual Water Use)
Strength Class I 0 to 300 mg/L BOD5 200 mg/L BOD5
Strength Class II 301 to 900 mg/L BOD5 400  mg/L BOD5
Strength Class III 901 to 1,500 mg/L BOD5 1,000 mg/L BOD5
Strength Class IV Over 1,500 mg/L BOD5 To be determined (TBD)

Wastewater surcharge rates for Strength Class IV are based on BOD5 concentrations as opposed to predefined concentrations used in Classes I, II and III.  Staff, based on a calculation for BOD5 over 1,500 mg/L BOD5, will determine actual volume rate.

*Customer classifications are established as follows:

  1. Single family residential - a residential unit served by a a separate water meter.
  2. Multi-family residence, duplex, apartments, condominium, townhouses, mobile home parks served by a single water meter.
  3. Commercial-Industrial Class I - non-residential customer including hotels, motels, stores, offices, service stations, schools, churches, governmental facilities, parks, manufacturing businesses, etc.
  4. Commercial-Industrial Class II - non-residential customer including restaurants, taverns, food processing businesses, breweries, ferry terminals, ferry waste, etc.

 

 

Service Rate Areas


Service Area Map

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