Sewer Rates

InteriorSewerRates

DID YOU KNOW? Water and Sewer rates are charged Bi-Monthly.

Sewer Rate Structure


A new rate structure was placed into effect January 1, 2023 pursuant to Resolution 2023-1379 (PDF) Rates are determine based on whether your property is inside or outside of Federal Way or inside Edgewood.  Use the rate tables below to determine your rates.


King County Metro

The monthly sewer service charge for properties inside Federal Way with sewage flows treated by the King County Metro system shall include an additional $1.14(or $1.06 outside Federal Way) per hundred cubic feet above the District’s rates shown below to reflect charges imposed by King County Metro.


Pierce County/Tacoma

The monthly sewer service charge for properties inside Federal Way with sewage flows treated by the Pierce County/Tacoma system shall include an additional $1.46(or $1.36 outside of Federal Way) per hundred cubic feet above the District’s rates shown below to reflect charges imposed by Pierce County/Tacoma.


Water and Sewer Rate Comparison

We are proud that Lakehaven Water and Sewer District rates are very competitive compared to our neighboring cities.  Review a  Rate Comparison Chart (PDF) of monthly residential water and sewer charges.

 

Glossary Terms

View our Rates Glossary Page to view a list of terms and their definitions.


Sewer Rate Tables

Choose an appropriate tab below (Inside or Outside of Federal Way) for your property location to view specific rates by your customer classification.

  1. Rates Inside Federal Way
  2. Rates Outside Federal Way
  3. Rates Inside Edgewood
  4. Rates Inside Auburn

Sewer Rates Inside Federal Way

Charge based on Area (Inside FW)
Area Basic Monthly
Base Charge
Consumption Charge per CCF 1
(Usage based on wet month average)
Single/Multi-Family Residential $21.16 + $4.44/ccf                        
Flows to King Co/Metro
$21.16 + $5.58/ccf  ($4.44+$1.14)
Flows to Pierce Co. $21.16 + $5.90/ccf  ($4.44+$1.46)

Lakehaven (Inside FW)
Non-Residential Fixed Monthly Consumption
charge per CCF1
CDC 1 $21.16 + $4.44/ccf                      
CDC 2 $21.16 + $6.90/ccf                      
CDC 3 $21.16 + $9.40/ccf                      
CDC 4 $21.16 + $11.84/ccf                      
CDC 5 $21.16  + $14.30/ccf                      
Flows to Pierce Co. CDC 1
 $21.16 + $5.90/ccf ($4.44+$1.46)
Flows to Pierce Co. CDC 2 $21.16 + $8.36/ccf ($6.90+$1.46)


Biochemical Oxygen Demand (BOD) &
Suspended Solids (SS)
Type of charge Charge added per pound in excess4
BOD3 + $.98/lb over 1,000 mg/l
SS3 + $.98/lb over 1,000 mg/l

1 Additional charges per hundred cubic feet (ccf) of effluent discharged.

2 Additional charges per hundred cubic feet (ccf) for sewage flows treated by other agencies/Pierce County Sewer Utility and King County Metro.

3 Visit Rates Glossary page for definition of terms.

4 Add charge per pound for BOD and Suspended Solids in excess of 1,000mg/l.