San Diego Water Department - Pay Bill, Contact, Address & Services
Everything you need for San Diego Mud 1 — serving 6,291 residents in San Diego, TX.
6,291
Residents Served
2,658
Connections
Mon–Fri 8:00 AM – 5:00 PM
Office Hours
San Diego Water Department Address
San Diego, TX 78384-3204
Local Tip: Street parking near San Diego municipal offices fills up fast before 10 AM. Arrive early if paying in person or drop your check in the after-hours payment box.
San Diego Water Department Contact
After-Hours Emergency
Call 911
Office Hours
Mon–Fri 8:00 AM – 5:00 PM
How to Pay Your San Diego Water Bill Online
Visit the Official Payment Page
Go to the San Diego Mud 1 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.
San Diego Water Bill Payment Guide
Complete step-by-step payment instructions, accepted methods, billing tips, and more.
💡 San Diego 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
San Diego 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 San Diego? Contact San Diego Mud 1 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 San Diego? 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 San Diego
Water Leak
Notice water pooling near the street or sidewalk? Call San Diego Mud 1 immediately. Do not try to access the meter box yourself.
Sewer Backup
Call your utility before contacting a plumber. San Diego 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 your utility 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.
San Diego Water Billing & Fees
San Diego Water Department FAQ
Visit the official San Diego Mud 1 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 San Diego Mud 1 at customer service. The office is open during Mon–Fri 8:00 AM – 5:00 PM.
San Diego Mud 1 is located at 200 S Dr E E Dunlap Hwy, San Diego, TX 78384-3204.
Yes. Most municipal portals offer a one-time guest payment option. You only need your account number from a recent paper bill.
Call San Diego Mud 1 immediately at customer service. For after-hours emergencies, most departments have a 24/7 hotline. Do not attempt to fix a main line break yourself.
Contact San Diego Mud 1 at customer service at least 3 business days before your move date. Bring a valid ID and proof of address to start new service.