Village of Mundelein Water Bill – Pay Online, Login, Phone Number, Due Date & Service Help

Updated 2026 • Official Mundelein links reviewed

Village of Mundelein Water Bill: Pay Online, Login, Phone Number, Due Date, Penalty and Service Help

Village of Mundelein water customers usually need one of five things: the official online payment portal, Water Billing phone number, due date and penalty rules, start/stop service help, or an explanation for a high water bill. This guide gives you the official links and practical steps in one mobile-friendly page, so you can pay safely and contact the correct department without guessing.

847-949-3245Water Billing phone
25thBill due date
10%Late penalty after due date
847-949-3273Water Services / leak questions
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Pay online

Use the Village OpenGov Water Utility portal linked from Mundelein’s official Pay and Water Bill pages.

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Login details

Registered users enter email/password. New users use account number and the 8-digit PIN from the bill.

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Billing help

Call Water Billing at 847-949-3245 or email waterbilling@mundelein.org.

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Due date

Water bills are due on the 25th. Payments received after that date get a 10% penalty.

Main Official Village of Mundelein Water Bill Links

Editorial trust note: This guide was prepared from official Village of Mundelein payment, water bill, billing procedure, FAQ, OpenGov portal, start/stop service, Utilities and Water Division pages. Official Village links are placed first for safe action.
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Independent guide: Water-Department.org is not the Village of Mundelein. Official payments, billing decisions, payment plans, service requests and utility support must be handled through the Village and its official resources.

Online payment

How to Pay Your Village of Mundelein Water Bill Online

The Village’s Pay page lists “My Water Bill” and the water bill portal is powered by OpenGov. The portal allows registered login by email/password or account/PIN access for customers who are not yet registered.

Payment stepWhat to doPractical tip
Start from official Village pageOpen the Village Pay page or Water Bill Information page.This helps avoid unofficial bill payment websites.
Open OpenGov portalUse the Village of Mundelein Water Utility online portal.Use the portal’s navigation buttons instead of the browser back button when possible.
Login as registered userEnter your email address and password.Use this if you already created an account.
Login as new userEnter your account number and 8-digit PIN from the upper right corner of your bill.Account number format is shown as route number, service address ID and resident number.
Save confirmationKeep the receipt or screenshot after submitting payment.Your bill is not considered paid until payment is received by the Village.
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Payment safety tip: Use mundelein.org or mundelein.pay.opengov.com. If you find a payment page through search ads or third-party bill sites, go back to the official Village payment page before entering account or card details.
Billing rules

Mundelein Water Bill Due Date, Bi-Monthly Billing, 10% Penalty and Disconnection Timeline

Mundelein water bills are mailed bi-monthly on the 1st of the even or odd month, depending on your address. The payment is due by the 25th of that month.

Billing itemOfficial detailWhat it means for you
Billing frequencyBill is mailed bi-monthly on the 1st of the even or odd month, depending on address.Your billing month may differ from another Mundelein address.
Due dateDue by the 25th of the month the bill was issued.Pay before the 25th to avoid late penalty.
Late penaltyPayments received after the 25th are assessed a 10% penalty.Late payment increases the balance quickly.
Past-due noticeVillage billing process says past due notice is sent on Day 35.Do not ignore the notice; call before service risk increases.
TerminationService is terminated on Day 46 in the listed billing process.Call Water Billing early if you cannot pay.
Service fee$60 account service fee is added after termination.Waiting until shutoff may cost more.
After-hours reconnect$150 after-hours account service fee is charged if reconnected after 3:30 PM on disconnection day.Resolve account issues before late afternoon when possible.
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Important warning: If you cannot pay by the due date, the Village FAQ says to contact customer service at 847-949-3245 immediately, before the due date, so the team can work with you on a payment plan.
Mail and account number

Mailing a Mundelein Water Bill Payment: Account Number, Remittance Stub and Processing Time

If you mail a payment, the Village asks customers to include the account number and remittance portion of the bill for faster and accurate credit.

Mailing payment

The Village says to include your account number on your check and allow 14 days for mailing.

Your bill is not considered paid until payment is received by the Village.

Remittance stub

The Village asks customers to include the remittance portion of the bill with the check for fast and accurate credit to the account.

This is especially important when mailing close to the 25th due date.

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Mailing tip: If the due date is close, use online payment or call Water Billing before mailing. Mailed payments can be delayed, and the Village treats the bill as paid only when received.
Start or stop service

Start or Stop Water Service in Mundelein

For move-in, move-out or account responsibility changes, use the official Start & Stop Water Service form. Payment alone does not always update who is responsible for the account.

NeedOfficial routePractical action
Start water serviceStart & Stop Water Service formSubmit the form before the move-in date and keep confirmation.
Stop water serviceStart & Stop Water Service formSubmit before moving out so future billing responsibility is clear.
Question about formWater Services DepartmentCall 847-949-3273 if you need help with the form.
Billing responsibilityWater Billing DepartmentCall 847-949-3245 for account-specific billing questions.
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Move tip: Submit service changes before closing day, lease start, lease end or key handover. Keep your confirmation until the final bill is settled.

Open official Start & Stop Water Service form

High bill and leak checks

Why Your Mundelein Water Bill May Be High

The Village FAQ says an unusually high bill can happen for several reasons, including actual meter reading after estimated readings, leaks in your plumbing system or service line past the meter, or seasonal water use such as irrigation, gardening or filling a pool.

High-bill cluePossible causeWhat to check first
Bill jumps after estimated billsActual reading follows estimated readings that were lower than real usage.Compare the service dates and meter readings shown on recent bills.
Usage keeps risingPlumbing leak or service-line issue past the water meter.Contact Utilities Division at 847-949-3273 for usage/leak questions.
Seasonal spikeIrrigation, gardening, filling a pool or outdoor water use.Check sprinklers, hose bibs, timers and outdoor fixtures.
No clear reasonHidden leak, meter/reading question or billing history issue.Call Customer Service at 847-949-3245 so the Village can help review the cause.
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Simple leak check: Turn off all water inside and outside the property, then watch for meter movement if the meter is accessible. Also check toilets with food coloring, outdoor hose bibs, irrigation zones, water softeners and basement plumbing.
Water system

Mundelein Water Utility, Backflow Program and Public Works Responsibilities

The Village Utility Division is responsible for water distribution, analysis and administration of safe drinking water supply and fire protection water. The Village water system includes hydrants, meters, mains, storage and Lake Michigan water facilities.

Water infrastructure

The Village Water page lists 1,600 hydrants, nearly 11,000 water meters, over 117 miles of water main and multiple receiving/distribution stations and storage reservoirs.

Utility services

Utility personnel respond to water main breaks, perform hydrant painting, exercise valves, oversee service connections, conduct leak detection and coordinate with Finance on water billing.

Backflow compliance

The Village says Aqua Backflow helps administer the Cross Connection Control Program. Backflow preventers are the customer’s responsibility for testing and maintenance.

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Backflow note: Lawn sprinkler systems and other cross-connections may need annual testing. If you receive a backflow notice, use the official Village Water page and Aqua Backflow instructions before taking action.
Wastewater

Mundelein Wastewater and Sewer Utility Information

The Village Utility Division also oversees wastewater collection and treatment. This is useful when customers are trying to understand water/sewer bill charges or sewer-related service concerns.

Wastewater collection

The Village wastewater page says the Utility Division oversees the Wastewater Collection System and Treatment Facility.

The division is responsible for lift stations, sewer-user discharge regulation, industrial pre-treatment and over 100 miles of sanitary sewer main.

Billing connection

Water/sewer billing is generated through Village finance/billing processes, while Public Works and Engineering handles utility infrastructure operations.

For bill questions, contact Water Billing; for water usage or leak checks, contact Utilities Division.

Contact and map

Mundelein Water Bill Phone Number, Email, Village Hall Address and Utility Contacts

Use the correct contact depending on your need. Billing questions, service questions and leak/usage questions are routed differently.

NeedOfficial contactBest use
Water Billing847-949-3245
waterbilling@mundelein.org
Bill balance, payment, late fee, payment plan, account questions.
Water Services / Utilities847-949-3273
wrdept@mundelein.org
Water usage, leak checks, start/stop service form questions.
Village Hall847-949-3200General Village routing.
Public Works847-949-3270Public Works and Engineering department routing.
Village Hall address300 Plaza Circle, Mundelein, IL 60060Village office location reference.
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Before calling: Keep your account number, 8-digit PIN, service address, bill date, payment confirmation, due date, past-due notice, leak details or start/stop service form question ready.

Map shows Village Hall at 300 Plaza Circle, Mundelein, IL 60060. For water bill payment, use the official OpenGov portal linked from the Village website.

Avoid mistakes

Common Mundelein Water Bill Mistakes That Cause Delays, Penalties or Shutoff Risk

Most water bill problems can be avoided by using official links, paying before the 25th, calling early about payment plans, and saving payment proof.

MistakeWhy it creates troubleBetter action
Using unofficial payment websitesPayment may be delayed, misdirected or involve unnecessary third-party fees.Start from mundelein.org or the official OpenGov portal.
Mailing too close to the due dateThe Village says mailed payments should allow 14 days, and the bill is not paid until payment is received.Use online payment or call Water Billing if the due date is close.
Ignoring the 25th due dateA 10% penalty is added after the due date.Pay before the 25th or call 847-949-3245 before the due date.
Waiting until disconnection timelineService fees and reconnect rules can make the account more expensive.Ask for a payment plan early if you cannot pay on time.
Not checking leaks after a high billA running toilet, irrigation issue or service-line leak can keep increasing usage.Check toilets, outdoor water, irrigation and call Utilities at 847-949-3273.
Best habit: Save the OpenGov portal, 847-949-3245, waterbilling@mundelein.org, 847-949-3273 and your account number/PIN in one phone note.
Most searched FAQs

Village of Mundelein Water Bill FAQs

These answers cover common searches about Mundelein water bill payment, OpenGov login, due dates, late penalties, payment plans, start/stop service, high bills and utility contacts.

QHow do I pay my Village of Mundelein water bill online?

Use the official Village Pay page or Water Bill Information page and open the OpenGov Water Utility online portal. You can log in as a registered user or use your account number and 8-digit PIN from your bill.

QWhat is the official Mundelein water bill portal?

The official online account portal is the Village of Mundelein Water Utility portal powered by OpenGov at mundelein.pay.opengov.com.

QWhat do I need to login if I am not registered?

The OpenGov portal says not-registered users enter the account number and 8-digit PIN from the upper right corner of the bill.

QWhat is Mundelein Water Billing customer service number?

Call Water Billing at 847-949-3245. The official email is waterbilling@mundelein.org.

QWhen is my Mundelein water bill due?

The Village says the water bill is due on the 25th of the month the bill was issued.

QHow often does Mundelein send water bills?

The Village says water bills are mailed bi-monthly on the 1st of the even or odd month, depending on your address.

QWhat is the late penalty on a Mundelein water bill?

The Village says payments received after the 25th are assessed a 10% penalty fee.

QWhat happens if a Mundelein water bill stays unpaid?

The Village billing process lists Day 35 as past due notice and Day 46 as service termination. After termination, a $60 account service fee is added, and an after-hours reconnection fee can apply after 3:30 PM on the day of disconnection.

QCan I get a payment plan for a Mundelein water bill?

Yes. The Village FAQ says if you cannot pay by the due date, contact customer service at 847-949-3245 immediately, before the due date, so the team can work with you on a plan to pay over time.

QHow do I start or stop Mundelein water service?

Use the official Start & Stop Water Service form. If you have questions about the form, contact Water Services at 847-949-3273.

QWhy is my Mundelein water bill so high?

The Village says high bills can happen when an actual meter reading follows lower estimated readings, when there is a leak in plumbing or the service line past the meter, or when water is used for irrigation, gardening or filling a pool.

QWho do I contact for water usage or leak questions?

For questions about water usage or checking leaks, contact the Utilities Division at 847-949-3273 on weekdays during Water Services hours.

QWhere is Village Hall in Mundelein?

Village Hall is listed at 300 Plaza Circle, Mundelein, IL 60060.

QWhat is the Village Hall phone number?

The Village website lists Village Hall at 847-949-3200.

QDoes Mundelein use backflow compliance?

Yes. The Village says Aqua Backflow helps administer its Cross Connection Control Program, and backflow preventers are the customer’s responsibility for annual testing and maintenance where required.

QIs Water-Department.org the official Village of Mundelein website?

No. This is an independent guide. Official payments, account support, payment plans, service requests and utility decisions must be handled through the Village of Mundelein and its official resources.

Official source table

Official Sources for Village of Mundelein Water Bill Customers

Use these official Village resources for final confirmation before paying, mailing a check, asking for a payment plan, starting/stopping service or checking high usage.

Official sourceUse it forOpen
Village Pay PageOfficial Village “My Water Bill” payment route.Open Pay page
OpenGov Water Utility PortalOnline account login, account number/PIN access and water utility payment.Open portal
Water Bill InformationWater Billing phone/email, payment methods, mailing guidance and official bill resources.Open bill information
Water Billing Information & ProceduresDue date, 10% penalty, billing timeline, disconnection fees and billing process.Open procedures
Water Bill FAQDue date, high-bill reasons, payment plan guidance, billing and Water Services contacts.Open FAQ
Start & Stop Water ServiceMove-in, move-out or account responsibility changes.Open service form
Village WaterWater distribution, meters, hydrants, main breaks, leak detection, backflow program and water system details.Open Water page
UtilitiesWater and wastewater utility system overview.Open Utilities
WastewaterWastewater collection, treatment, lift stations, sanitary sewer and related utility responsibilities.Open Wastewater
Public Works & EngineeringVillage infrastructure, public works operations and department routing.Open Public Works
Final takeaway: For most Mundelein customers, use the official OpenGov portal for online payment, call 847-949-3245 for water billing, call 847-949-3273 for water service or leak/usage questions, pay before the 25th to avoid the 10% penalty, and contact customer service before the due date if you need a payment plan.
Free Water Bill & Utility Service Assistant

Pay Smarter, Check High Bills, Start Service, Avoid Shutoff and Find Official Water Department Links

Use this free tool before paying a water bill, setting up autopay, starting or stopping service, checking a high bill, requesting leak help, or looking for the official water department portal. It gives practical next steps without collecting your account number or personal details.

Start Water Bill Helper
8 toolsBill pay, high bill check, leak checklist, start/stop service, assistance and official searches.
All utilitiesWorks sitewide for city, county, parish, authority and private water utility pages.
No loginNo account number, email, service address or payment data is required.
Mobile-firstBuilt for customers searching from a phone while trying to solve a bill or service issue.

What water bill or service problem do you need to solve?

Choose your situation. The tool will suggest the safest next step, what to prepare, and which official page to check first.

Payment safety tip

Start from the official water department, city, county or utility website before entering account details. Avoid random payment ads and look-alike bill pay sites.

High bill tip

Before paying a very unusual bill, check meter reads, toilet leaks, irrigation use, estimated bills, late fees, and whether your utility offers a leak adjustment.

Water Bill Payment Route Helper

Choose how you want to pay. The tool will tell you what to prepare and the safest payment path.

High Water Bill Checker

Compare your normal bill with the new bill and get a practical investigation path before calling customer service.

Use gallons, CCF, HCF or units shown on your bill.

Leak Check and Adjustment Checklist

Use this before requesting a leak adjustment, disputing a bill, or calling the water department about high usage.

Start, Stop or Transfer Water Service Helper

Use this before moving, opening a new account, closing an old account, or transferring service to another address.

Past Due, Shutoff and Reconnection Helper

Use this if your account is late, disconnected, at risk of shutoff, or you need a payment plan or assistance program.

Simple Water Usage Cost Estimator

Estimate a rough bill from base charge, usage units, rate per unit, sewer charge, stormwater fee and service fees. Official tiered rates may be different.

Example: if usage is gallons, enter cost per gallon.

Official Water Department Resource Finder

Enter city/utility and state to create safe searches for the official water bill portal, phone number, outage page, assistance, start service, leak adjustment, and Water-Department.org guide.

Water Department vs Payment Processor

  • Water department: account help, service start/stop, leaks, repairs, shutoff, assistance.
  • Payment processor: card/eCheck payment screen, payment fee, confirmation number, posting time.

Best sitewide placement

Add this tool after the main payment section or before FAQs. It helps users solve the next problem after reading the article.

Important safety note

This tool gives educational guidance only. Always confirm payment portals, phone numbers, account balance, assistance rules and reconnection steps with the official water department or utility.

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