Fond Du Lac Water Utility 2026: Bill Pay, Login & Phone

Fond du Lac Waterworks • online bill pay • no phone payments • service forms • emergency dispatch

Fond du Lac Water Utility Help Desk: Pay, Log In, Call or Change Service

Use this page like a Fond du Lac Waterworks counter: pay your quarterly water bill, log in to the online account portal, call the right office, understand why phone payments are not accepted, start or stop service, handle a late bill, request pool sewer credit, check meter rules, find the Water Business Office, and know what to do during a water main break or after-hours emergency.

Quick Answer: Fond du Lac Water Utility Phone, Login and Payment Options

Business Office920-322-3680
Emailfdlwater@fdl.wi.gov
Water Office109 N. Macy St.
Emergency920-906-5555
Need
Official route
Prepare first
Important detail
Pay or log in online
Account login, account number, bill, payment method.
Login lets customers view account information, update contact information and make payments.
Pay in person
Government Center, 160 S. Macy St., Fond du Lac.
Bill/account number and cash, check or credit/debit card.
Standard hours listed: Monday-Friday 7:45 AM-4:30 PM and Fridays 7:45 AM-2:30 PM; 2026 summer hours are Mon-Thu 7:45 AM-4:30 PM and Fridays 7:45 AM-2:30 PM.
Mail payment
Payable to City of Fond du Lac, PO Box 830, Fond du Lac, WI 54936.
Check and bill stub/account number.
Mail is not best for due-date or tax-roll deadline situations.
Drop-box payment
Lot 19, Lot 22 or Government Center lobby drop boxes.
Envelope, check/money order and account number.
Deposits before 1:30 PM process the same business day.
Phone payment
Not available.
Use online, in person, mail or drop box instead.
Fond du Lac states phone payments are no longer accepted effective 1/1/2024.
Billing/service account question
Service address, account number, bill date, payment proof, request details.
Waterworks Business Office is at 109 N. Macy Street.
Water main break during office hours
920-322-3680, option 9.
Exact address/cross street, visible leak, safety risk, time started.
Use business-office routing for main breaks during office hours.
After-hours/weekend/holiday emergency
920-906-5555, option 0.
Exact address, issue, safety risk, whether water/sewer is affecting property.
Use this for true emergency service after regular hours.

Key phone warning: customers can call the Waterworks Business Office for service and billing help, but water bill phone payments are no longer accepted. Use the online portal, Government Center, mail or drop boxes for payment.

Pay or Log In to Fond du Lac Water Utility Online

Fond du Lac Waterworks uses an online account portal for bill viewing, account information, contact updates and payments. Always start from the City water page or a saved official bookmark before entering payment details.

Open the official portal

Go to myaccount.fdl.wi.gov or use the City’s “Pay Water Bill” link from the Water page.

Sign in before paying

The City says the portal lets customers view water account information, update contact information and make payments. Use your bill to confirm the correct account.

Set electronic notifications

The City says online notification settings can alert customers about bill ready for viewing, upcoming due date, payment received and past-due balance owed.

Save confirmation

Keep the payment confirmation, amount, date/time, payment method, account number and screenshot. If a deadline is close, call 920-322-3680 after payment.

Payment route
Use when
Need ready
Important rule
Online account portal
You want to pay, view account info, update contact info or manage notifications.
Login and current bill/account information.
Best route for electronic payment and account monitoring.
Government Center payment
You want in-person payment with cash, check or card.
Bill/account number and payment method.
Use 160 S. Macy Street, not the 109 N. Macy Water Business Office, for the listed payment counter.
Mail
You have enough time before the due date.
Check payable to City of Fond du Lac and account/bill stub.
Mail to PO Box 830, Fond du Lac, WI 54936.
Drop boxes
You want a no-counter payment option.
Check/money order and account information in envelope.
Lot 19, Lot 22 and Government Center lobby; before 1:30 PM for same-business-day processing.
Phone payment
Do not use.
Use online, in person, mail or drop box.
Phone payments stopped effective January 1, 2024.
UnitedHealthcare UCard
Only after confirming benefit rules with UnitedHealthcare.
UCard details and time for payment to arrive.
City utility assistance page says UCard cannot be swiped/entered in person, phone payment system, or online InvoiceCloud/payment program, and payments may take up to two weeks.
Payment posting script: “I paid my Fond du Lac Waterworks account for [service address] on [date/time] by [online/Government Center/drop box/mail]. Confirmation or check number is [number]. Can you confirm it posted and tell me whether any late balance, special read fee, tax-roll notice, sewer credit or service-change issue remains?”

2026 Fond du Lac Water Bill Zones and Due Dates

Fond du Lac Waterworks bills quarterly and divides customers into three billing zones. The City’s 2026 schedule shows when bills are generated/mailed and when they are due.

Billing month / zone
Utility bills mailed / generated
Utility bills due
What to do
January — Zone 1
1/30/2026
2/19/2026
Pay online, in person, mail or drop box before due date.
February — Zone 2
2/27/2026
3/19/2026
Set upcoming due-date notification in portal.
March — Zone 3
3/30/2026
4/19/2026
Confirm account status if the due date falls near a weekend/holiday.
April — Zone 1
4/30/2026
5/20/2026
Check leaks before outdoor use increases.
May — Zone 2
5/29/2026
6/18/2026
Use drop boxes before 1:30 PM for same-business-day processing.
June — Zone 3
6/29/2026
7/19/2026
The City also posted a Zone 3 June notice showing June 26 generation and July 16 due date; verify your actual bill.
July — Zone 1
7/31/2026
8/20/2026
High summer usage may affect both water and sewer charges.
August — Zone 2
8/28/2026
9/17/2026
Use electronic payment when mail timing is tight.
September — Zone 3
9/30/2026
10/20/2026
Watch for annual tax-roll notification timing in October if delinquent.
October — Zone 1
10/30/2026
11/19/2026
Confirm payments post before delinquency/tax-roll deadlines.
November — Zone 2
11/25/2026
12/15/2026
Holiday mail delays can affect mailed checks.
December — Zone 3
12/30/2026
1/19/2027
Save year-end confirmation for records.

Electronic notice tip: Fond du Lac says late-payment reminder notices after the cycle bill due date are no longer mailed, while annual tax-roll notification for delinquent utility accounts is still mailed at the beginning of October to the property owner and/or account holder.

Start, Stop or Transfer Fond du Lac Water Service

Start service

Complete the Service Agreement Form and return it to the Waterworks Business Office by email, mail or drop-off.

Stop service

Complete the Stop Service Form. A $25 special read fee applies to closed-out accounts.

Timing

Forms are required within five business days of the service transfer date; allow up to seven business days for processing.

Task
Official route
Prepare
Important note
Open new water account
Service Agreement Form, English or Spanish.
Service address, owner/tenant details, transfer date, contact info.
Return to fdlwater@fdl.wi.gov or 109 N. Macy St., Fond du Lac, WI 54935.
Close water account
Stop Service Form, English or Spanish.
Account/service address, closing date, forwarding info, contact details.
$25 special read fee applies to all closed-out accounts.
Transfer due to move/sale/rental change
Required Service Change Form.
Buyer/seller/tenant/owner details and date transfer occurs.
Required within five business days of date transfer occurs.
Need account/bill copy for property manager
Request Account Information / Consent to Disclose Utility Customer Information.
Tenant consent, property address and account information.
Property owners/management companies may need completed authorization before receiving tenant account copies.
Schedule meter change, cross-connection re-inspection or service-line survey
Use online scheduling or call business office.
Address, account number, access details, preferred appointment time.
Call 920-322-3680 or email fdlwater@fdl.wi.gov for service-call scheduling.
Move service script: “I need to start/stop/transfer Fond du Lac water service at [address] for [date]. Which form should I use, do I owe the $25 special read fee, and has the account transfer been processed?”

Late Bills, Disconnection Rules and Reconnection Charges

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20-day late rule

The tariff says a 1% monthly late payment charge is added to bills not paid within 20 days of issuance.

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Notice and disconnection

The customer may receive overdue notice no sooner than 20 days after issue; if payment or satisfactory arrangement is not made within the next 10 days, service may be disconnected under PSC rules.

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Reconnect charge

Reconnection charge is listed as $50 during normal business hours and $75 after normal business hours.

Situation
Best action
Ask this
Bill is due soon
Pay online, in person or drop box; avoid mail if timing is tight.
“Will this payment post before the due date?”
Bill is already late
Call 920-322-3680 before assuming the account is safe.
“Has a late charge or overdue notice been applied?”
Received overdue/disconnect notice
Call the business office and make payment or arrangement promptly.
“What exact amount prevents disconnection, and what deadline applies?”
Water already disconnected
Ask for full balance, reconnection fee and whether after-hours reconnection applies.
“Does the $50 or $75 reconnection charge apply?”
Payment returned by bank
Ask how returned payment affects account status.
“Does the $35 payment-not-honored charge apply?”
Missed a service appointment
Reschedule and ask whether charge applies.
“Is this the first missed appointment, and was it after normal business hours?”
Late-bill script: “My Fond du Lac Waterworks account is [account number] at [service address]. I have a late bill or notice. What exact amount must be paid, does a 1% late charge or reconnection charge apply, and what payment route will post fastest?”

Rates, Tariffs and How Your Fond du Lac Water Bill Is Calculated

Fond du Lac Waterworks rates and service rules are regulated through Wisconsin Public Service Commission tariffs. Use the current tariff and the current bill before estimating a customer’s total, because meter size, service type, public fire protection, sewer charges and special services can change the total.

Unit size

Each billing unit is 100 cubic feet, equal to 748 gallons.

Basic charge

Fixed charge based on meter size.

Usage charge

Based on water passing through the meter.

PSC tariff

Tariffs set legal utility rates and service obligations.

Bill / tariff item
Official detail shown
What it means
Basic Charge
Fixed charge based on meter size.
A small residential meter and a large commercial meter do not have the same base cost.
Usage Charge
Based on amount of water used.
Leaks, irrigation, pool fill and running toilets can increase usage.
Billing unit
100 cubic feet = 748 gallons.
Use this conversion when comparing gallons to the bill.
General metered service charge, 5/8-inch or 3/4-inch meter
Current tariff PDF shows $44.00 quarterly / $14.67 monthly.
Common smaller-meter base charge in the PSC tariff.
General water volume, first 5,000 cubic feet quarterly
Current tariff PDF shows $4.74 per 100 cubic feet.
First major water-volume block under general metered service.
Public fire protection, 5/8-inch or 3/4-inch meter
Current tariff PDF shows $19.20 quarterly / $6.40 monthly.
Separate tariff charge for public fire-protection service.
Returned payment
$35 payment-not-honored charge.
May apply when payment is not honored by financial institution.
Special billing / real estate closing account charge
$25 for special billing and $25 for written real-estate closing account status.
Important for sellers, title companies, property managers and landlords.
Reconnection
$50 normal business hours; $75 after normal business hours.
Ask which fee applies before requesting restoration.

Rate-publishing note: the City’s Rates/Tariffs page links to the PSC tariff as the legal rate source. Before quoting a customer estimate, check the current tariff, the customer’s meter size, billing frequency and whether sewer, fire protection, pool credit or special charges apply.

Pool Fill Sewer Credit, High Bill and Meter Checks

Sewer credit

Sewer credits may be considered for excess water usage outside the building that did not enter the sanitary sewer system.

One per season

Credits are limited to one per season and can apply to pool fills, ice skating rinks and new lawn establishment if criteria are met.

Must be current

Customers must be current on water bills when submitting the sewer-credit request.

Issue / credit type
What to document
Important rule
Swimming pool fill
Date range, beginning meter read, ending meter read.
Only one fill per season; secondary submittals during the same season are not processed.
Ice skating rink
Outdoor usage date range and meter readings.
Usage must not enter sanitary sewer.
New lawn establishment
Watering dates, meter readings and reason for outdoor usage.
City/Utility can deny requests not meeting criteria.
High bill from leak
Meter reading, repair date, plumber receipt, fixture/irrigation checks.
Call business office before assuming credit applies.
Finding water meter
Most meters are in basements or crawl spaces; if no basement/crawl space, check utility closet or under kitchen sink.
Meter must be accessible to Water Utility staff.
Meter access problem
Clear path around meter and avoid construction near/over/around it.
Meter is property of Fond du Lac Waterworks.
Pool credit script: “I filled a pool at [address] from [start date] to [end date]. Beginning meter read was [read] and ending meter read was [read]. My account is current. Can this qualify for the seasonal sewer credit?”

Main Break, Service Call, Meter Change or Emergency

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After-hours emergency

Call 920-906-5555, option 0, after regular hours, weekends or holidays.

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Service call

Call 920-322-3680 or email fdlwater@fdl.wi.gov to arrange a date and time.

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Online scheduling

Meter change-out, cross-connection re-inspection and service-line survey appointments can be scheduled online.

Problem
Call / action
Say this
Have ready
Water main break during office hours
920-322-3680, option 9.
“I am reporting a water main break near [address/cross street].”
Location, visible flow, safety hazard, time started.
After-hours main break or emergency
920-906-5555, option 0.
“This is an after-hours water emergency at [address].”
Address, problem type, whether property/street is affected.
Meter change-out
Use online scheduling or call 920-322-3680.
“I need to schedule a water meter change-out.”
Account/service address, access instructions, contact phone.
Cross-connection re-inspection
Use scheduling page or business office.
“I need cross-connection re-inspection scheduling.”
Property address, prior notice, availability.
Water service line survey
Use scheduling route or private-side material survey.
“I need help completing the service-line material survey.”
Meter access, service-line material if known, photos if requested.
Hydrant meter or bulk water
Use Hydrant Meter Rental or Bulk Water instructions.
“I need temporary/bulk water for [purpose].”
Project date, location, volume, contractor info, deposit/payment readiness.

Private Lead Service Line Replacement and Financial Assistance

Why it matters

Fond du Lac explains that lead service lines must be identified and replaced under federal lead/copper rules and local ordinance.

Financial help

The City says assistance may be available as a grant for 50% of replacement cost, up to $2,000, with a loan option for the remainder.

Priority order

Priorities include City utility/street reconstruction projects, exceedance of action level and emergency repairs.

Lead service-line question
Official guidance
Customer action
How do I know if my property is selected?
Property owners are mailed a packet before upcoming construction with project and financial-assistance information.
Watch mail and call Waterworks if your address is in a project area.
Will water be shut off during replacement?
The City FAQ says water will be shut off for a few hours on the day of work.
Be available and clear a path near the water meter.
Where does contractor need access?
Basement, crawl space or utility closet where service line enters building.
Remove boxes/furniture and make meter/service entry accessible.
How much help is available?
Financial-assistance page says grant may cover 50%, maximum $2,000, plus loan option for remainder.
Review packet, financial tri-fold and program forms.
Can I ask for inventory copy?
City says customers may request a copy of the initial LCRR Service Line Materials Inventory by email.
Email fdlwater@fdl.wi.gov and include service address.
What if I want to self-identify material?
City links to a private-side service material survey.
Complete survey or schedule a service-line survey appointment.

Water Quality, Toilet Rebate and Conservation

Annual report

The City posts annual drinking water quality reports, including 2025 English and Spanish reports.

Toilet rebate

Fond du Lac Water Utility offers up to $100 when replacing old 3.5+ GPF toilets with a 1.28 GPF high-efficiency toilet.

Rebate rules

Standard 1.6 GPF toilets do not qualify; single-family homes, condos and apartment buildings of four units or less may qualify.

Topic
Official detail
What to do
Water quality report
Annual reports page lists Water Testing Results by year, including 2025 English and Spanish.
Download the latest report before quoting contaminant levels.
Treatment process
The Water Quality section includes a Treatment Process page.
Use it for source/treatment explanation rather than guessing.
Toilet rebate amount
Up to $100 rebate for replacing old 3.5 GPF or higher toilet with 1.28 GPF model.
Check WaterSense model, save receipt and submit rebate form.
Toilet rebate payment
Rebates may be issued as check or credit on next water bill.
Select preference on application and include water service account number.
Eligible properties
Single-family homes, condominiums and apartment buildings of four units or fewer.
Landlords should verify all terms before buying fixtures.
Standard 1.6 GPF toilets
Do not qualify for the rebate.
Confirm product specs before purchase.

Fond du Lac Water Utility Offices, Payment Locations and Map

Waterworks Business Office

Fond du Lac Waterworks
109 N. Macy Street
Fond du Lac, WI 54935
Phone: 920-322-3680
Email: fdlwater@fdl.wi.gov

In-person payments

Government Center
160 S. Macy Street
Fond du Lac, WI 54935
Pay by cash, check or credit/debit card.

Mail payments

Payable to: City of Fond du Lac
Mail: PO Box 830
Fond du Lac, WI 54936

Location / route
Address / contact
Use for
Waterworks Business Office
109 N. Macy Street, Fond du Lac, WI 54935; 920-322-3680.
Service questions, start/stop forms, service calls, meter appointments, pool sewer credit, lead service line help.
Government Center payments
160 S. Macy Street, Fond du Lac, WI.
Cash/check/card in-person water bill payments.
Drop boxes
Lot 19, Lot 22 and Government Center lobby.
Check/money-order drop-off; before 1:30 PM for same-business-day processing.
Mail
City of Fond du Lac, PO Box 830, Fond du Lac, WI 54936.
Regular mailed bill payment when timing allows.
After-hours emergency
920-906-5555, option 0.
Main break, water emergency or urgent service issue outside regular hours.
City main contact
160 South Macy Street; 920-322-3400.
General City Hall routing, not the fastest route for water-bill account help.

Fond du Lac Water Utility FAQ

What is the Fond du Lac Water Utility phone number?

Call the Fond du Lac Waterworks Business Office at 920-322-3680 for billing, service account, service-call, start/stop service, pool sewer credit and meter appointment questions.

Can I pay my Fond du Lac water bill by phone?

No. Fond du Lac states that phone payments are no longer accepted effective January 1, 2024. Use the online portal, Government Center payment counter, mail or drop boxes instead.

Where do I pay my Fond du Lac water bill online?

Use the official online portal at myaccount.fdl.wi.gov. The portal lets customers view account information, update contact information and make payments.

Where do I pay in person?

Pay at the Government Center, 160 S. Macy Street, Fond du Lac. The City lists cash, check and credit/debit card payment options at this location.

Where do I mail a water bill payment?

Make checks payable to City of Fond du Lac and mail to PO Box 830, Fond du Lac, WI 54936. Include the bill stub or account information.

Where are the drop boxes?

The City lists drop boxes at Lot 19, Lot 22 and the Government Center lobby. Deposits before 1:30 PM are processed the same business day.

What is the emergency number for Fond du Lac Waterworks?

After regular business hours, weekends and holidays, call 920-906-5555 and choose option 0 for emergency service. During office hours, call 920-322-3680; the City page notes option 9 for main breaks during office hours.

How do I start or stop water service?

Complete the required Service Agreement Form to start service or Stop Service Form to close an account. Return forms to fdlwater@fdl.wi.gov or to Fond du Lac Waterworks Business Office, 109 N. Macy Street, Fond du Lac, WI 54935.

Is there a fee to close out a water account?

Yes. The City says a $25 special read fee applies to all closed-out accounts.

Can I get sewer credit for filling a pool?

Possibly. Fond du Lac says sewer credits may be considered for excess water used outside the building that did not enter the sanitary sewer system. Customers must be current, provide beginning and ending meter reads and date range, and only one fill per season is allowed.

30-Second Fond du Lac Water Utility Checklist

Pay/login: use myaccount.fdl.wi.gov; phone payments are not accepted.

Call: Waterworks Business Office 920-322-3680; email fdlwater@fdl.wi.gov.

Emergency: after hours/weekends/holidays call 920-906-5555, option 0; during office hours call 920-322-3680, option 9 for a main break.

Pay in person: Government Center, 160 S. Macy Street; mail checks to PO Box 830, Fond du Lac, WI 54936.

Start/stop service: return required forms within five business days of transfer; allow up to seven business days for processing; closed accounts have a $25 special read fee.

Water Bill Payment, Leak & Utility Help Toolkit

Use this free helper to find the official water bill portal, avoid unsafe payment pages, handle late bills, troubleshoot high usage, prepare start/stop service documents, and contact the utility office with the right details.

Find official payment pages safely
Prepare before late fees or shutoff
Check high bill and leak causes
Useful on every city water guide

Official Water Bill Portal Finder

Enter your city, state, and utility name. This tool creates safe search shortcuts for the official bill pay portal, customer service page, outage line, and start/stop service page.

Safety tip: Use the official city, county, or utility website when paying a water bill. Do not enter card or bank details on a page that only looks like a payment portal but does not clearly identify the official utility.

Safe Water Bill Payment Checklist

Before paying online, use this checklist to reduce the risk of wrong payment, duplicate payment, missed receipt, or third-party confusion.

Important: Some official utilities use third-party processors. That can be normal, but the payment processor should be linked from the official utility website and show clear fee/payment details.

Late Bill, Shutoff Notice & Reconnection Action Plan

Select your situation and get practical next steps. This helps users act quickly without guessing.

Do not wait: If you received a shutoff notice, online payment alone may not stop disconnection. Call the utility billing office and save your confirmation number.

High Water Bill & Leak Troubleshooter

A high bill can be caused by leaks, irrigation, estimated readings, seasonal use, or account/meter issues. Choose the closest problem below.

Quick leak test Turn off all water, then check whether the meter still moves.
Toilet check Put food coloring in tank. If color reaches bowl without flushing, there may be a leak.
Ask utility Request usage history, meter reread, leak adjustment policy, and payment arrangement options.

Start, Stop or Transfer Water Service Checklist

Moving in or out? Choose your situation and prepare the details most utilities commonly request.

Your preparation checklist

Move-out tip: Ask for a final meter read, final bill date, refund/deposit process, and confirmation number when stopping service.

Payment Assistance & Arrangement Finder

If you cannot pay the full water bill, this guide helps you decide what to ask before disconnection or extra fees.

Helpful document list: Keep your account number, photo ID, service address, bill copy, shutoff notice, income proof if needed, repair receipt if leak-related, and payment confirmation numbers.

Water Department Call Script Generator

Generate a clear call or email script before contacting the utility billing office.

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