Contact Municipal Utilities Company
Directory
| Water Leaks, Open/Leaking Fire Hydrants, Missing Sewer/Drain Covers | (909) 395-2678 |
| Customer Service, Billing and Account Inquiries | (909) 395-2050 |
| Missed Trash, Damaged Cans and Dumpsters | (909) 395-2050 |
| Household Hazardous Waste Facility | (909) 395-2040 |
| Water Quality Questions | (909) 395-2678 |
| Backflow Questions | (909) 395-2600 |
| Tire Collection | (909) 395-2600 |
| Used Oil Collection | (909) 395-2040 |
| Inland Empire Utilities Agency (IEUA) | (909) 993-1600 |
After Hours
Contact Ontario PD Dispatch for any water related needs after hours at (909) 986-6711
Emergencies
In the Event of a Sewer Spill, please report it immediately!
Call Ontario Municipal Utilities at (909) 395-2678 Monday - Thursday 7:30 am - 5:30 pm and Friday 7:30 am - 4:30 pm, if after hours call PD Dispatch at (909) 986-6711.