Decatur Water Bill 2026: Cost, Rate, Average Monthly Bill and How to Read Your Charges
A City of Decatur water bill is not only a simple “water usage” bill. Residential customers are typically billed for water usage, sewer-related charges, sanitary charges, recycling, and stormwater utility fees, so the final monthly amount can look higher than the water line alone.
This guide explains the 2026 Decatur water rate, sanitary and sewer fee structure, estimated monthly cost by gallons, official payment portal, automatic payment setup, high bill checks, and the best way to contact Utility Customer Service before assuming your bill is wrong.
Decatur Water Bill Cost Estimator for 2026
Use this as a practical estimate, not a final bill. The calculation below uses the 2026 residential water rate, residential meter charge, domestic sanitary rate, City sewer user fee and sanitary service charge. Your actual bill can include recycling, stormwater, late fees, returned payment charges or other account-specific items.
What Is the Average Monthly Decatur Water Bill in 2026?
For a normal residential customer inside Decatur, a practical water + sanitary/sewer estimate can range from about $48 to $88 for roughly 3,000 to 6,000 gallons of monthly usage before recycling, stormwater and account-specific charges. A household with irrigation, leaks, extra occupants or higher usage can go above that range.
| Monthly usage | Approx. billing units | Estimated water charge | Estimated sanitary/sewer | Estimated subtotal |
|---|---|---|---|---|
| 3,000 gallons | 4.01 CCF | $30.13 | $17.49 | $47.62 |
| 4,000 gallons | 5.35 CCF | $38.48 | $22.70 | $61.18 |
| 5,000 gallons | 6.68 CCF | $46.84 | $27.92 | $74.75 |
| 6,000 gallons | 8.02 CCF | $54.63 | $33.13 | $87.76 |
| 8,000 gallons | 10.69 CCF | $69.87 | $43.56 | $113.43 |
City of Decatur Water Rates Effective May 1, 2026
Decatur’s 2026 residential water bill uses a monthly meter charge plus a quantity charge based on 100 cubic feet of water. The lowest tier applies to the first 700 cubic feet, which covers many smaller residential monthly bills.
Residential meter charge
$5.06The 2026 water rate sheet lists this as the monthly residential meter charge for City rate customers.
First usage tier
$6.25The first 700 cubic feet of residential/commercial service is billed at $6.25 per 100 cubic feet for inside-City rates.
| Water usage tier | Inside-City rate | Out-of-town rate | What it means for a household |
|---|---|---|---|
| First 700 cubic feet | $6.25 per 100 cubic feet | $12.50 per 100 cubic feet | This tier covers many low to moderate residential monthly bills. |
| Next 1,500 cubic feet | $5.70 per 100 cubic feet | $11.40 per 100 cubic feet | Applies after the first 700 cubic feet. |
| Next 12,900 cubic feet | $5.07 per 100 cubic feet | $10.14 per 100 cubic feet | Higher-use homes, irrigation and some businesses may enter this tier. |
| Next 18,300 cubic feet | $4.08 per 100 cubic feet | $8.16 per 100 cubic feet | Usually not reached by typical indoor residential use. |
How to convert gallons to Decatur billing units
Decatur’s rate sheet uses 100 cubic feet. One 100-cubic-foot billing unit is about 748 gallons. To estimate your usage units, divide gallons by 748. For example, 4,000 gallons is about 5.35 billing units.
Sanitary and Sewer Charges: Why Your Bill Is More Than Water
The water charge is only part of the bill. The 2026 sanitary sheet lists domestic and non-domestic sanitary rate at $2.12 per 100 cubic feet of water, plus a $1.85 service charge. It also lists a City sewer user fee of $1.78 per 100 cubic feet of water.
Sanitary rate
$2.12Per 100 cubic feet of water for domestic and non-domestic accounts.
Service charge
$1.85Listed on the Sanitary District of Decatur monthly rate sheet.
City sewer user fee
$1.78Per 100 cubic feet of water, effective May 1, 2026.
How to Pay a City of Decatur Water Bill Online
The City provides an online utility payment portal. The portal registration page says you may need your customer number from your water bill, email address, bank routing number, bank account number, account type and utility billing account number. It also says the online automatic withdrawal portal is free for Municipal Utilities water bills.
Open the official payment portal
Use the City’s payment portal linked from Decatur’s official website. Avoid third-party pages that are not clearly connected to the City.
Use the customer and account numbers from your bill
Do not guess from an old bill if the account changed. Use the most recent water bill so the payment posts correctly.
Save proof after payment
Keep your receipt, confirmation number, payment date, amount and account number until the payment appears on your account.
Call if the bill looks wrong before paying twice
For billing questions, call Utility Customer Service at 217-424-2841 during business hours.
Why Is My Decatur Water Bill So High?
A higher Decatur water bill can come from actual water use, a leak, a billing cycle change, irrigation, a running toilet, or sewer/sanitary charges rising along with water usage. Start by reading the usage units on the bill before focusing only on the dollar amount.
Running toilet
A toilet can waste water quietly. Put food coloring in the tank and check whether color appears in the bowl without flushing.
Outdoor water
Check hoses, irrigation, garden watering, pool filling, pressure washing and outside spigots.
Water heater or crawlspace
Look for damp floors, relief valve discharge, soft ground, crawlspace leaks or hidden line leaks.
Higher sewer/sanitary amount
If water usage increases, sanitary and sewer user fees may increase because they are based on water usage units.
Recycling or stormwater
The City says residential bills typically include more than water usage, so review every line before assuming the rate changed.
Payment posting issue
If you recently paid, confirm the payment posted to the correct account before paying again.
Decatur Water Bill Fees and Extra Charges to Watch
Your base water and sewer estimate may not match your total due if extra charges apply. Always check the official bill, because late fees, returned checks, recycling, stormwater or service actions may change the final amount.
| Bill item | What it means | Why it can change your total |
|---|---|---|
| Water meter charge | Fixed monthly residential water meter charge. | Applies even when usage is low. |
| Water quantity charge | Usage billed per 100 cubic feet. | Changes with water consumption. |
| Sanitary fee | Sanitary District rate and service charge. | Part of the monthly bill and tied to water usage. |
| City sewer user fee | City sewer user fee per 100 cubic feet. | Increases when billed water usage increases. |
| Recycling charge | Residential bills may include a recycling charge. | The City says recycling charges are billed regardless of whether services are used. |
| Stormwater utility fee | Stormwater utility charges can appear on residential bills. | This is separate from indoor water usage. |
Start Water Service, Auto-Pay or Paperless Billing in Decatur
If you are moving into Decatur, taking over a property, or setting up a new account, use official City forms and customer service links. For auto-pay, the online portal page explains what registration information is needed.
Apply for water service
Use the City’s official water service application resource if you are starting service at a new address.
Automatic payment
Register through the Utility Online Payment Portal if you want automatic bank withdrawal on the due date.
Paperless billing
Paperless billing can reduce missed paper bills and helps you keep records digitally.
Before you call or apply
Keep your service address, billing address, phone number, email, ID details, account number if available, and move-in or move-out date ready. For landlord or property manager situations, ask whether authorization is required.
Official Decatur Water Bill Links and Contacts
Use these official City of Decatur resources for payment, rates, customer service, automatic payment, paperless billing and water service setup.
| Need | Official resource | Use it for | Direct action |
|---|---|---|---|
| Pay bill | City payment portal | Online utility bill payment. | Open portal |
| Customer service | Utility Customer Service | Billing, collections, payment locations, rates, forms and contacts. | Call 217-424-2841 |
| 2026 water rates | Monthly Water Rates PDF | Meter charge and quantity charge by billing tier. | View rates |
| 2026 sanitary rates | Monthly Sanitary Rates PDF | Sanitary District rates and City sewer user fee. | View sanitary rates |
| Auto-pay | Utility Online Payment Portal | Automatic bank withdrawal, portal benefits and registration details. | Open auto-pay info |
| Start service | Apply for Water Service | New water service setup. | Apply |
City of Decatur Utility Customer Service Office
Utility Customer Service is listed at 1 Gary K. Anderson Plaza, Decatur, IL 62523. Telephone and in-person support hours are Monday through Friday from 8 AM to 4:30 PM.
Utility Customer Service
Phone: 217-424-2841
Fax: 217-424-2859
Address: 1 Gary K. Anderson Plaza, Decatur, IL 62523
Hours: Monday through Friday, 8 AM to 4:30 PM
Authorized payment locations
The City lists First Currency Exchange #2 at 1659 E Eldorado Street and Decatur Civic Center at 1 Gary K. Anderson Plaza as authorized payment locations. A $1.50 charge per item is listed on the City page.
Map: 1 Gary K. Anderson Plaza
Decatur Water Bill 2026 FAQs
How much is the average City of Decatur water bill in 2026?
A practical 2026 estimate for water plus sanitary/sewer is about $47.62 at 3,000 gallons, $61.18 at 4,000 gallons and $87.76 at 6,000 gallons before recycling, stormwater and account-specific charges.
What is the Decatur residential water meter charge in 2026?
The City of Decatur 2026 water rate sheet lists a $5.06 monthly residential meter charge for inside-City residential service.
How does Decatur bill water usage?
Decatur bills water by 100 cubic feet. One 100-cubic-foot billing unit is about 748 gallons. The first 700 cubic feet are billed at $6.25 per 100 cubic feet for inside-City residential/commercial service.
Why is my Decatur water bill more than the water usage charge?
Residential bills typically include water usage, recycling charge, sewer user fee, sanitary fee and stormwater utility fees. That means the final amount can be higher than the water charge alone.
What is the City of Decatur sewer user fee in 2026?
The 2026 sanitary rate sheet lists the City sewer user fee as $1.78 per 100 cubic feet of water, effective May 1, 2026.
What is the Decatur sanitary rate in 2026?
The Sanitary District of Decatur rate sheet lists domestic and non-domestic sanitary rate at $2.12 per 100 cubic feet of water, plus a $1.85 service charge.
How do I pay my Decatur water bill online?
Use the official City payment portal linked from Decatur’s Utility Customer Service or Utility Online Payment Portal pages. Keep your customer number and utility billing account number ready.
What is the Decatur Utility Customer Service phone number?
Call Utility Customer Service at 217-424-2841 for billing questions, payment questions, rates and water account support.
Where is Decatur Utility Customer Service located?
Utility Customer Service is located at 1 Gary K. Anderson Plaza, Decatur, IL 62523.
Can I set up automatic payment for a Decatur water bill?
Yes. The City’s Utility Online Payment Portal page says automatic withdrawal can deduct the payment from your bank account on your due date and that the portal is free for Municipal Utilities water bills.
Why is my Decatur water bill suddenly high?
Common reasons include higher usage, running toilets, outdoor watering, irrigation leaks, hidden plumbing leaks, sewer/sanitary charges tied to higher usage, stormwater or recycling charges, or a payment posting issue.
Is WaterBillGuide.us the official City of Decatur utility website?
No. WaterBillGuide.us is an independent informational guide. It does not process payments, access utility accounts, change rates, approve adjustments or represent the City of Decatur.