themdc.org through MDC Customer Portal (Invoice Cloud).
The Metropolitan District (MDC) (created by the Connecticut General Assembly in 1929) is a non-profit municipal corporation providing clean water supply and sewer wastewater treatment services to eight member towns in the Greater Hartford region (Hartford, Bloomfield, East Hartford, Newington, Rocky Hill, West Hartford, Wethersfield, and Windsor) and non-member customer communities.
Whether you need to log in to MDC Customer Portal, submit an immediate one-time guest payment via Invoice Cloud, enroll in AutoPay recurring automatic bank drafts, track hundred cubic feet (CCF) water meter usage, set up high-usage leak detection alerts, apply for MDC Low-Income Water Assistance, or report a water main break, this comprehensive guide covers every payment channel and 24/7 emergency contact.
The MDC Water Payment Options & Fee Breakdown
Compare available payment options, fees, and posting speeds:
| Payment Channel | Convenience Fee | Posting Speed |
|---|---|---|
| MDC Customer Portal (Bank ACH / EFT) | $0.00 (Free) | Same-Day Posting |
| AutoPay (Automatic Monthly Draft) | $0.00 (Free) | On Monthly Payment Due Date |
| Invoice Cloud Quick Pay (Debit / Credit Card) | $2.95 municipal fee | Immediate Account Credit |
| Automated Phone System (Invoice Cloud) | $2.95 card / Free ACH | Instant Confirmation |
| MDC Cashier Window (Walk-In) | $0.00 (Free) | Immediate In-Person Receipt |
How to Pay Your MDC Water Bill Online (Step-by-Step)
Method 1: Pay via MDC Customer Portal
- Navigate to: themdc.org/pay-your-bill.
- Click “Online Account Access / Login”.
- Enter your User ID / Email and Password and click “Log In”.
- Select “Make Payment”.
- Enter checking account routing number and bank account number.
- Submit payment for zero-fee same-day processing.
Method 2: One-Time Quick Pay (Invoice Cloud)
- Visit The MDC Quick Pay.
- Click “Pay as Guest (No Registration Needed)”.
- Enter your 12-digit MDC Account Number and Customer ID Number.
- Enter payment card or electronic bank details and submit payment.
Alternative Payment Channels
- AutoPay Setup: Automatically pay your monthly statement directly from your checking account on your due date with zero transaction fees.
- Paperless e-Billing: Receive monthly PDF statements directly to your email inbox and reduce paper clutter.
- Pay by Phone: Call The MDC automated telephone banking 24/7 toll-free at 1-855-748-8059.
- Pay by Mail: Send payment check with bill coupon to:
The Metropolitan District
P.O. Box 4140
Woburn, MA 01888-4140 - Customer Walk-In Center: Pay cash, check, or money order at MDC Headquarters, 555 Main Street, Hartford, CT.
Water Emergency & Main Break Reporting
The MDC Customer Support Directory
- Customer Service Hotline: 860-278-7850 (Mon–Fri 8:00 AM – 4:00 PM EST)
- Automated Phone Pay (24/7): 1-855-748-8059
- 24/7 Command Center (Emergencies): 860-278-7850 (Opt 1)
- Hearing Impaired (TTY): 711
- Official Water Portal: themdc.org
- Headquarters: 555 Main Street, Hartford, CT 06103
Frequently Asked Questions (FAQ)
What is my MDC Account Number format?
Your MDC account number is a 12-digit number (format: XXXXXX-XXXXXX) located on the upper-left portion of your monthly water invoice.
How do I calculate hundred cubic feet (CCF) water billing?
The MDC measures water in CCF (1 CCF = 100 cubic feet = approximately 748 gallons of water). Your monthly volumetric charges are determined by smart meter flow readings.
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Disclaimer: BillPayment.guide is an independent municipal utility guide and is not affiliated with, endorsed by, or operated by The Metropolitan District Commission (MDC). All trademarks belong to MDC.
Anisur Rahman brings over 17 years of experience at the intersection of complex technology and digital strategy to BillPayment.guide. Active in the digital space since 2009, Anisur uses his deep industry insights to break down financial technologies, secure online payment methods, and digital platforms. His actionable guides help readers navigate the fast-paced digital economy and manage their online transactions with confidence.
