Municipal Department
City of Evanston Water, Sewer & Sanitation Services / City Collector's Office
Serving Evanston
Population served
74,486 people served according to the EPA queue; Evanston's Meter Division reports approximately 14,500 metered retail water and sewer accounts.
State system code
FIPS 17
Billing frequency
Bi-monthly. Water usage and sanitation are billed for two-month periods: November-December billed in January, January-February in March, March-April in May, May-June in July, July-August in September, and September-October in November; payment is due early the following month.
Provider briefing
How this utility’s billing works
City of Evanston Water, Sewer & Sanitation Services / City Collector's Office operates as a municipal department serving Evanston. Customers should use the provider’s current account-specific bill and official customer-service instructions as the final authority for deadlines, balances, and service requests.
The published water-rate framework is described as Uniform volumetric rate above a meter-size minimum. Effective January 1, 2026 with no increase, a 5/8- or 3/4-inch meter has a $17.21 minimum every two months including the first 500 cubic feet, then $4.82 per 100 cubic feet. Affordable-rate customers who qualify through CEDA or a City benefits card receive reduced usage rates.. Bills are generated bi-monthly. water usage and sanitation are billed for two-month periods: november-december billed in january, january-february in march, march-april in may, may-june in july, july-august in september, and september-october in november; payment is due early the following month., and a typical residential cost reference is For a 3/4-inch account using 6,000 gallons each month, the two-month bill covers about 1,604 cubic feet: water is approximately $17.21 plus 1,104 cubic feet over the included 500 at $4.82/100, or $70.42; sewer is $13.30 plus the same excess at $2.66/100, or $42.66. Combined water and sewer are about $113.08 per two-month bill, or approximately $56.54/month before sanitation charges.. These descriptions are useful planning benchmarks; actual charges can change with meter size, usage, sewer averaging, local taxes, drought stages, or account-specific fees.
Wastewater and sewer calculation
Sewer is billed every two months using the same metered water consumption unit. The minimum sewer charge is $13.30 and includes the first 500 cubic feet; additional consumption is $2.66 per 100 cubic feet. Tax-exempt properties pay $4.53 per 100 cubic feet above 10,000 cubic feet in a billing cycle. The City also publishes affordable sewer usage at $1.94 per 100 cubic feet for qualifying customers.
Meter and infrastructure notes
Evanston operates an AMI system for approximately 14,500 accounts. A Meter Information Unit attached to each meter reads hourly and stores a full day's readings; it broadcasts once daily to six Data Collector Units, which send data to the water-treatment-plant network and billing system. The system generates hourly usage data, leak alerts, and bi-monthly bills, and customers can monitor usage through WaterSmart.
Emergency water support
Report a leak or water emergency
847-475-6880 for water emergencies after hours, weekends, and holidays; call 311 or 847-448-4311 for ordinary service requests.
Official starting point
Choose the right next step
Reading this profile
A practical reference for Evanston
City of Evanston Water, Sewer & Sanitation Services / City Collector's Office is listed here as a municipal department. The profile separates account actions—such as paying a bill or requesting service—from explanatory material about rates, meters, wastewater, leaks, and delinquency.
Because utility rules can vary by account class, meter size, service address, billing date, and local ordinance, treat the published bill and current provider website as the final authority. Use this profile to locate the correct channel and prepare better questions for customer service.
If your issue is urgent, start with the provider’s emergency number or official payment route rather than waiting for an email response. Keep a written record of calls, confirmation numbers, notice dates, and documents you submit.