Hamilton Square Water Department - Pay Bill, Contact, Address & Services
Everything you need for Aqua Nj - Blackwood — serving 44,396 residents in Hamilton Square, NJ.
44,396
Residents Served
14,281
Connections
Mon–Fri 8:00 AM – 5:00 PM
Office Hours
Hamilton Square Water Department Address
Hamilton, NJ 08691
Local Tip: Street parking near Hamilton Square municipal offices fills up fast before 10 AM. Arrive early if paying in person or drop your check in the after-hours payment box.
Hamilton Square Water Department Contact
Customer Service
(609) 618-3850
Office Hours
Mon–Fri 8:00 AM – 5:00 PM
How to Pay Your Hamilton Square Water Bill Online
Visit the Official Payment Page
Go to the Aqua Nj - Blackwood website. Look for the "Pay My Bill" or "Online Payments" section.
Enter Your Account Number
Find your account number on your paper bill (top-right corner). Enter it along with your last name or service address.
Choose a Payment Method
Select credit card, debit card, eCheck, or bank draft. eCheck is often free while cards may have a small convenience fee.
Confirm and Save Your Receipt
Review the total, submit payment, and save or screenshot your confirmation number. Payments usually post within 1-2 business days.
Quick Tip: Payments made before 3 PM usually post the same business day. Weekend and holiday payments process the next business day.
Hamilton Square Water Bill Payment Guide
Complete step-by-step payment instructions, accepted methods, billing tips, and more.
💡 Hamilton Square Insider Tips
Best Time to Call
Lines are shortest right when the office opens. Try calling at 8:00 AM on a Tuesday or Wednesday to skip the queue.
Save on Fees
Hamilton Square accepts eCheck payments at no extra charge. Card payments may add a $2-3 convenience fee per transaction.
Start, Stop, or Transfer Water Service
Start New Service
Moving into Hamilton Square? Contact Aqua Nj - Blackwood at least 3 business days before your move-in date.
✓ Valid photo ID required
✓ Proof of address (lease or deed)
✓ Deposit may apply for new accounts
Stop Service
Moving out? Request disconnection at least 2 business days ahead. You will receive a final bill.
✓ Final meter reading scheduled
✓ Forwarding address for final bill
✓ Deposit refunded within 30 days
Transfer Service
Moving within Hamilton Square? Transfer your existing account instead of closing and reopening.
✓ Same account number kept
✓ No new deposit needed
✓ Processing: 1-3 business days
Report Water Issues in Hamilton Square
Water Leak
Notice water pooling near the street or sidewalk? Call Aqua Nj - Blackwood immediately. Do not try to access the meter box yourself.
Sewer Backup
Call your utility before contacting a plumber. Hamilton Square will check the main line first at no charge if the issue is on their side.
Service Outage
No water? Check with your neighbors first. If the outage is widespread, call (609) 618-3850 for a restoration estimate.
Real-Life Tip: Take a quick photo or video of the issue before calling. It helps dispatch prioritize and gives the crew a head start before arriving on site.
Hamilton Square Water Billing & Fees
Hamilton Square Water Department FAQ
Visit the official Aqua Nj - Blackwood payment portal online. You can pay with a credit card, debit card, or eCheck. A guest pay option is available if you do not have an online account.
You can reach Aqua Nj - Blackwood at (609) 618-3850. The office is open during Mon–Fri 8:00 AM – 5:00 PM.
Aqua Nj - Blackwood is located at 10 Black Forest Road, Hamilton, NJ 08691.
Yes. Most municipal portals offer a one-time guest payment option. You only need your account number from a recent paper bill.
Call Aqua Nj - Blackwood immediately at (609) 618-3850. For after-hours emergencies, most departments have a 24/7 hotline. Do not attempt to fix a main line break yourself.
Contact Aqua Nj - Blackwood at (609) 618-3850 at least 3 business days before your move date. Bring a valid ID and proof of address to start new service.