Billing Rates

Water Rates

Usage Charge Previous Rate Current Rate
First 100 CCF $2.26 per CCF $2.42 per CCF
Next 4,900 CCF $2.15 per CCF $2.32 per CCF
Next 5,000 CCF $2.10 per CCF $2.18 per CCF
Over 10,000 CCF $2.04 per CCF $2.08 per CCF
Water usage charge is the cost of the water used. The charge is based on metered consumption and is billed in CCF (hundred cubic feet). One CCF is equal to approximately 748 gallons.  The Public Service Commission of Wisconsin (PSC) approves rates for the West Allis Municipal Water Utility. The water rates were effective October 1, 2017.
Basic Service Charge by Meter Size Previous Rate Current Rate
5/8 Inch or 3/4 inch $33.93 $37.05
1 Inch $48.85 $54.00
1-1/4 Inch $64.31 $72.00
1-1/2 Inch $77.34 $88.50
2 Inch $116.01 $132.00
3 Inch $170.45 $198.00
4 Inch $239.17 $282.00
6 Inch $367.93 $450.00
8 Inch $515.58 $648.00

The basic service charge is the cost of meter reading and maintenance, public fire protection including use of hydrants, and ensuring an adequate water supply that may be demanded for extinguishing fires. The quarterly service charge is based on the size of the water meter at the property.


Volume Previous Rate Current Rate
0-10 CCF $17.50 (minimum charge) $19.50
Over 10 CCF $1.75 per CCF  

City sanitary sewer charge covers the cost of maintenance and operation of the City of West Allis sewer system. Costs are based on the volume of sewage that must be treated. Charges are based on the consumption of metered water to determine the amount of sewage each property discharges into the system. New sanitary sewer rates are effective as of January 1, 2018.


Classification Previous Rate New Rate
Residential Single Family $32.28 $33.53
Residential Duplex $55.23 $57.56
Commercial/Residential 3+ Units
   - Connection Charge
   - Usage Charge

$1.66 per CCF

$1.76 per CCF

Milwaukee Metropolitan Sewerage District (MMSD) is a pass-through charge to cover the operation and maintenance costs of the MMSD sewerage treatment facilities and conveyance systems. Usage is determined by the consumption of metered water for commercial and residential properties with 3 or more units. The charge is a flat rate for single family and duplex properties. New MMSD rates are effective as of January 1, 2020.


Classification ERU Quantity Current Rate
Single Family 1 $20.58
Duplex 1 $20.58
Three Family 1.5 $30.87
Commercial & 4+ Family Varies  

The utility bill includes a flat fee to cover maintenance and operation of the storm sewer system. The quarterly charge is based on equivalent residential units (ERU). Residential properties with 1-3 units are assigned ERU quantity per chart below. Commercial and residential properties with 4 or more units have ERU quantities determined by square footage of impervious area. One ERU is equal to 1,827 square feet of impervious area. The charge per ERU is $20.58. Storm water rates are effective as of January 1, 2017.


Classification Billing Schedule Current Rate
Single Family Quarterly $22.50
Duplex Quarterly $45.00
Three Family Quarterly $67.50
Four Family (Recycling Only) Quarterly $44.20
Mobile Home (individually metered) Quarterly $22.50
Mobile Home (jointly metered) Monthly (not on utility bill)  

The utility bill includes one flat waste management fee. This fees plus the partial funding from the State for the state mandated city recycling program provide covers the costs of collection and disposal of recycling and garbage. The charge is billed per residential unit.