Water Rates & Charges

Water rates and charges quick links

Water, Sewer & Stormwater Rates

Effective July 1, 2024 Ann Arbor water bills will be charged according to the following rate structure, based on water meter readings.

	Residential 1 Rate is based on a single water meter used in a home	Residential 2 Rate when a second Water-Only meter is also used in a home	Water Only** Rate for the second meter for non-sewer water uses, such as for irrigation	Non-Residential Rate (Locations may also have a second, Water Only** meter)	Multi Family Rate Locations with 3 or more units
1-9 CCFs*	$2.55 per CCF	$2.55 per CCF	$12.55per CCF	$5.50 per CCF	$3.06 per CCF
10-18 CCFs*	$4.08 per CCF	$4.08 per CCF	$12.55 per CCF	$5.50 per CCF	$3.06 per CCF
19-36 CCFs*	$9.44 per CCF	$4.08 per CCF	$12.55 per CCF	$5.50 per CCF	$3.06 per CCF
Over 36 CCFs*	$20.25 per CCF	$4.08 per CCF	$12.55 per CCF	$5.50 per CCF	$3.06 per CCF
Water Customer Charge	$30.04/quarter for 5/8 inch and 3/4 short standard residential meter; charge varies by meter size	$30.04/quarter for 5/8 inch and 3/4 short standard residential meter; charge varies by meter size	$30.04/quarter for 5/8 inch and 3/4 short standard residential meter; charge varies by meter size	Customer charge varies by size of water meter	Customer charge varies by size of water meter
Sewer Service Rate per CCF*	$6.52 per CCF Resident 1 Summer sewer usage is calculated at winter water use rate, so the water used for outdoor activities is not charged to sewer	$6.52 per CCF	No sewer fees	$6.52 per CCF	$6.52 per CCF
Sewer Customer Charge	$16.44/quarter for 5/8 inch and 3/4 short standard residential meter; charge varies by meter size	$16.44/quarter for 5/8 inch and 3/4 short standard residential meter; charge varies by meter size	No charge	Customer charge varies by size of water meter	Customer charge varies by size of water meter
Stormwater Discharge Fee	Refer to Stormwater section below	Not Applicable	Not Applicable	Refer to Stormwater section below	Refer to Stormwater section below
Stormwater Charge+	$4.49	Not Applicable	Not Applicable	$4.49	$4.49
Discount for bill paid by due date	10% Savings available	10% Savings available	10% Savings available	10% Savings available	10% Savings available

Full rate structure available (PDF)

Some residential customers receive a summer sewer discount, so if you use more water in the summer for your garden, you still pay the winter average on the sewer volume charges because we assume during the summer usage is outdoors and does not return to the sewer system to be treated. Learn more about the Summer Sewer Discount

Questions about water shut-offs or bill payments, please contact the Customer Service Center 734.794.6320 option 1 or e-mail CustomerService@a2gov.org.