Our regular bills are sent on post cards, perforated across the center. Return the bottom portion if you are submitting a payment. Here is an interactive picture of a typical bill, to help answer common questions about your bill.
Hover over an area to view information.
Period - This is the billing period for the bill, indicating the start and end date of usage for which you are being billed. The dates are formatted as (MO)(DA)(YR)
Readings - These are the meter readings on which your bill is based. Readings are made in water units. one water unit may equal 1000 galons, or 100 cubic feet, depending on the type of meter you have. If you are a non-metered water user, this area will be left blank or contain zeros.
Usage - this is the amount of water used, upon which the sewer charge is based. This is either based on water meter readings, or is not shown for customers with non-metered water. This is reported in water units. One water unit may equal either 1000 gallons, or 100 cubic feet, depending on the type of meter you have.
Rate Per Unit - This is the current billing rate used to calculcate sewer charges and surcharges. Residential customers with non-metered water will see a flat monthly charge here, assuming they use 8000 gallons each month. The rate per unit is different for units measured on gallons vs. cubic feet, so that the sewer charges are consistantly applied. Surcharge fees are included in the rate per unit for certain industrial and commercial users.
Sewer Charge - This is the portion of your bill that varies with your water usage. The amount shown in dollars is the product of your usage times the rate per unit.
Monthly Fees - These are the monthly fees that are charged to each customer.
The amount shown in dollars in the total of the monthly fees associated with the billings period. This is a flat monthly charge, regardless of the amount of water used.
The monthly fee is the same for all residential customers, and varies amoung commercial and industrial customers.
Surcharge - This is a charge exclusively for commercial and industrial customers who discharge high-strength wastewater to the sewer system. This charge is based on analytical data from our sampling program. This area is left blank for residential customers.
Arrears - This area of the bill shows any previous balance for your account in dollars. Past due amounts that have not yet been paid will be shown here.
A negative number in arrears could be from past over-payments, summer adjustments, or customers with separate meters for water that does not reach the sewer.
Total Due Now - This is the amount of your bill in dollars. A negative amount means there is no need to make a payment.
Gross Due After - This area includes the due date of your bill, and the amount in dollars that needs to be paid if your payment is received in the first month following the due date. Additional late payment charges will accrue for payments that are made beyond the first month. The date format is (MO)(DA)(YR).
To learn more about your bill, visit Explanation of Bill.
The District accepts bill payments by mail, in person or via dropboxes located throughout the District. We also have several ways to pay online, including our Online Billing Portal or our FREE checking account EasyPay Program.
If you are moving in or out of the District, please fill out the Moving form to open or close your account. You can also call the District office from 8 a.m. – 4:30 p.m. at 630-969-0664
For property transfers, you will need to complete and submit a Request for Closing Letter form.
User charges not paid timely are assessed a penalty of 10 percent if not paid by the original due date and 1 percent per month thereafter on any unpaid balance. Accounts more than 60 days past due are subject to a lien filed against the property. Continued nonpayment will result in additional collection action including disconnection of sanitary sewer service or termination of water service. Costs incurred for collection action are added to the account.
The user charge system provides the revenues needed for operation and maintenance of the District’s Wastewater Treatment Center and sanitary sewer system. The user charge is evaluated annually and adjustments are made to reflect changes in the cost to operate and maintain the facilities.
Customers are billed on the same cycle as their water bill (monthly, bimonthly, or quarterly). Payments may be made in a number of ways and at a number of locations to make it easy to keep your account current.
Questions regarding sewer user bills, separate meter credits, account adjustments, collections, payment arrangements, moving in or out, or other billing concerns should be emailed to the Billing department via our Contact Us page.
Click the links below for further explanation of your bill.
2710 Curtiss Street
P.O. Box 1412
Downers Grove, Illinois 60515-0703
Phone: (630) 969-0664
Fax: (630) 969-0827
Monday - Friday 8 a.m. - 4:30 p.m.