Montgomery County Water Bill Help Center for Online Pay, Payment Plans and High Usage
This page helps Montgomery County, Ohio Environmental Services customers pay a water/sewer bill, use one-time payment, register for AutoPay, avoid card fees, set up a payment plan before the due date, fix a high bill, request a leak or pool adjustment, and report a main break or sewer backup.
Every step below includes the official MCES link or phone number beside the action, so users can move from reading to paying, calling, registering, filing an appeal, or requesting help without searching again.
Fast answer: Montgomery County Environmental Services customers can pay a water/sewer bill online, by one-time payment, by phone/account access, AutoPay, drop box, mail, in person, or bank bill pay. For customer service, billing, payment plan, account, meter, or service questions, call 937-781-2688, Monday through Friday, 8 a.m. to 5 p.m. For water main breaks or sewer backups, call the 24-hour emergency number 937-781-2678.
Important payment warning: if your property has a tax lien, MCES says to make the payment through the Auditor’s Office by calling 937-496-3271. Do not treat a normal online water bill payment as a lien payoff.
Montgomery County Water Bill Quick Facts
Montgomery County Water Bill Action Board
Start here. Each card gives the exact user problem, the action, and the official MCES link or phone number.
I need to pay quickly without registering
Use Click2Gov one-time payment. The portal asks for the account number located on your utility bill.
Open one-time paymentI want account history or AutoPay
Register or log in. First-time users need an email account, account number, and cycle route number from the top-right of the bill.
Open pay instructionsI cannot pay the full bill
Call before the due date. MCES says payment plans cannot be set up after the bill is past due.
Call 937-781-2688My property has a tax lien
Do not use the normal water bill portal for a tax-lien payoff. MCES says to pay through the Auditor’s Office.
Call Auditor: 937-496-3271My bill is high because of a leak
Leak adjustments may be possible only for qualifying leaks where water did not enter the sanitary sewer system.
Leak adjustment rulesI have a main break or sewer backup
Use the 24-hour emergency number, not the normal billing line.
Call 937-781-2678MCES Water Bill Payment Options and Posting Rules
| Payment path | How it works | Important warning | Official action |
|---|---|---|---|
| One-time online payment | Use Click2Gov one-time payment with the account number on your utility bill. | Good for quick payment; save the confirmation screen. | Pay one time |
| Registered online account | Log in to pay, view account information, past bills, usage history and sign up for e-notifications. | First-time users need an email, account number and cycle route number from the bill. | Login |
| AutoPay | AutoPay begins with the next billing cycle. If the bill shows “AutoPay” in the Amount Enclosed box, it is set up. | If the bill is currently due, AutoPay applies on the next billing cycle, not necessarily the current bill. | AutoPay details |
| Debit / credit online | MCES accepts Mastercard, Visa and Discover online. | A non-refundable 2.3% convenience fee is charged for debit/credit users. | Card fee rule |
| Electronic check | Online e-check/check payment is available. | Confirm routing and account number every time to avoid invalid return fees. Do not rely on auto-populated fields. | Check payment warning |
| Drop box | Drop boxes include Montgomery County Water Services, County Administration Building, Centerville Government Center, Harrison Township Government Center and Moraine Government Center. | The County Administration Building drop box is off Vista View Drive near the delivery dock. | Drop-box locations |
| In person | Pay at 1850 Spaulding Road in Kettering or 451 W. Third Street in Dayton. | Offices are listed Monday through Friday, 8 a.m. to 5 p.m., closed federal holidays. | See map |
| Mail or bank bill pay | Mail or use your bank’s bill-pay service. | MCES recommends allowing 5–7 days for mail; bank bill-pay fees and timing vary. | Mail / bill-pay details |
Online Login, One-Time Payment and AutoPay: What You Need
Account number
The one-time payment portal asks for the account number located on your utility bill.
One-time paymentCycle route number
First-time registration requires the account number and cycle route number from the top-right corner of the current utility bill.
Registration instructionsAutoPay timing
If you enroll while a bill is already due, AutoPay starts with the next billing cycle. Pay the current bill separately if needed.
Login for AutoPayDue Date, 10% Penalty and Payment Plan Rules
Quarterly bill timing
Most MCES water/sewer bills are issued quarterly. Regular bills are due within 21 days of the billing date.
Billing FAQ10% penalty
After 21 days, bills are considered delinquent and subject to a 10% penalty.
Penalty rulePayment plan deadline
You must call before the due date to set up a payment plan. MCES says a payment plan cannot be set up if the bill is already past due.
Payment plan rulesCall script before the due date
Local Assistance for Montgomery County Water Bills
Use these contacts when you cannot pay the bill and need help before the due date or before service interruption.
| Help source | Official number listed | Best use | Action |
|---|---|---|---|
| MCES Customer Service | 937-781-2688 | Payment plan before due date, account review, billing questions. | Call MCES |
| Community Action Partnership | 866-504-7379 | Utility-bill assistance when funds are available. | Official assistance list |
| Montgomery County Job and Family Services | 937-496-6720 | County assistance and benefits screening. | Call JFS |
| United Way of Greater Dayton HelpLink | 937-225-3000 | Referral help for local emergency assistance. | Call HelpLink |
| Veteran’s Services | 937-225-4801 | Utility help for eligible veterans. | Call Veterans Services |
| St. Vincent de Paul | Local Catholic church or 937-222-7349 | Charitable help when available; leave name, address, phone and best callback time. | Call administration office |
10 Montgomery County Water Bill Attributes Users Usually Need
1. Official pay page
MCES lists online, in-person, phone/account access, AutoPay, drop box, mail and bank bill-pay options.
Open pay page2. One-time payment
Click2Gov one-time payment lets users pay without full registration using the account number from the bill.
Pay one time3. Customer service
Call 937-781-2688 for bill, meter, account, payment plan and service questions.
Call customer service5. Online card fee
Debit/credit users are charged a non-refundable 2.3% convenience fee.
See fee details7. Payment plan
Payment plans must be set up before the due date and are split into three equal installments.
Payment plan page9. Leak adjustment
Some service-line or wall leaks may qualify if water did not enter the sanitary sewer system.
Leak adjustment10. Appeal process
If a bill concern is unresolved after customer service, customers may file an appeal with the Board of Appeals.
Appeal / claim page2026 Water/Sewer Rates and Bill Math
2026 rate adjustment
Montgomery County approved a 5% annual water and sewer rate increase over five years, starting Jan. 1, 2026.
Current ratesWhy rates are changing
The county says the adjustment funds more than $248 million in planned infrastructure improvements.
Rate explanationUse the calculator
Use the MCES rate calculator with a current bill to estimate water/sewer charges.
Open rate calculatorHigh Bill or Leak Adjustment: What Qualifies and What Does Not
May qualify
MCES says qualifying leak adjustments may include service line leaks or leaks inside walls, when water did not enter the sanitary sewer system.
Leak adjustment pageUsually not qualifying
Toilet leaks, malfunctioning appliances and leaky faucets are listed as examples that do not qualify for leak adjustments.
Read exclusionsProof required
Customers must repair the leak and provide documentation and proof of repair with the request form.
Request form detailsHigh-bill call script
Pool Adjustment and Hose Bib Meter Rental
Pool sewer credit idea
A pool adjustment means you pay for water used to fill the pool, but sewer charges related to that pool filling may be credited.
Pool adjustment rulesApply early
MCES says to apply at least seven days before you plan to fill the pool. Hose bib meters are first-come, first-served.
Apply for pool meterRental fee
The listed non-refundable three-day pool meter rental fee is $56, billed to the account upon delivery.
Fee detailsMoving? Final Read and New Service Setup
Call before moving
MCES says to call at least 48 hours before you move to schedule a final reading.
Call 937-781-2688Give forwarding address
A final bill will be sent to your new address after the final reading.
Moving FAQMoving within service area
If you move within the MCES service area, customer service can help set up a new service account in your name at the new location.
Residential customer pageCheck old balance
Ask whether any penalty, prior balance, payment plan, lien, or final bill remains before assuming the account is closed.
Confirm balanceBill Appeal, Fee Adjustment or Damage Claim
| Problem | Official path | Important rule | Official action |
|---|---|---|---|
| Unresolved bill concern | Contact Customer Service first, then file a Board of Appeals complaint if unresolved. | Have account number, bill copies, payment proof and notes from customer service. | Appeal page |
| Fee adjustment | Fee Adjustment Application may apply to tampering fees, frozen meter, damage to meter/curb box/equipment, or mainline disconnect charges. | Adjustment requests must be submitted within 90 days from the billing due date. | Fee adjustment details |
| Damage claim | Use the damage claim process if you believe MCES caused property damage. | Most claims are processed in 8 to 16 weeks. | Claim instructions |
| Sewer backup claim | MCES recommends considering the Foundation Drain Disconnect Program to reduce future sewer backup risk. | For program questions, call 937-781-2549. | Call 937-781-2549 |
Report Main Breaks, Sewer Backups, Water Quality Issues or Theft
Water quality concern
Montgomery County lists a water quality concern line at 937-781-2672 on the Water Services page.
Water ServicesWater theft or tampering
Report suspicious water/sewer service theft or tampering to customer service at 937-781-2688.
Report water theftMCES Office Map and Visit Plan
Use this map for Montgomery County Environmental Services at 1850 Spaulding Road in Kettering. MCES also lists in-person payment at the County Administration Building, 451 W. Third Street in Dayton.
Bring
Water/sewer bill, account number, cycle route number, ID, payment method, payment plan details, repair proof, appeal documents or shutoff notice.
Ask before leaving
“Is my account current, did my payment post, and is any payment plan, penalty, lien, leak adjustment or final bill still pending?”
Hours
MCES lists customer service and in-person payment hours as Monday through Friday, 8 a.m. to 5 p.m., closed federal holidays.
Official Montgomery County Ohio Water Bill Links
Montgomery County Water Bill FAQ
How do I pay my Montgomery County Ohio water bill online?
Use the official Montgomery County Environmental Services Pay Water Bill page or the Click2Gov one-time payment portal. Registered users can log in for account details, AutoPay and usage history.
What is the MCES customer service phone number?
Call Customer Service at 937-781-2688, Monday through Friday, 8 a.m. to 5 p.m.
What number do I call for a water main break or sewer backup?
Call the 24-hour emergency number at 937-781-2678 for water main breaks and sewer backups.
How often are Montgomery County water/sewer bills due?
Most MCES water/sewer bills are issued quarterly. Regular bills are due within 21 days of the billing date.
What happens if my MCES bill is late?
After 21 days, bills are considered delinquent and subject to a 10% penalty. Missed payment-plan installments can also make the full remaining balance due and may lead to late fees or disconnection risk.
Can I set up a payment plan for my Montgomery County water bill?
Yes, but you must call Customer Service before the due date. MCES says a payment plan cannot be set up if the bill is already past due. The balance is split into three equal installments, and the first installment is due when the plan is set up.
What information do I need to register online?
First-time users need an email account, utility account number, and cycle route number. The account and cycle route numbers are located in the top-right corner of the current utility bill.
Is there a card fee for paying online?
Yes. MCES says debit and credit card users are charged a non-refundable 2.3% convenience fee. To avoid that fee, consider cash in person, check through IVR, or linking a bank account if available.
Can I get a leak adjustment?
Possibly. MCES says qualifying leaks may include service line leaks or leaks inside walls where the water did not enter the sanitary sewer system. Toilet leaks, malfunctioning appliances and leaky faucets do not qualify. Proof of repair is required.
What should I do if I am moving?
Call 937-781-2688 at least 48 hours before moving to schedule a final reading. A final bill will be sent to your new address, and MCES can help set up a new account if you are moving within the service area.