Most Moreno Valley businesses get water and sewer service from Eastern Municipal Water District, while a western pocket around Edgemont is served by Box Springs Mutual Water Company for water and Edgemont Community Services District for sewer. Permits come from the City's Building & Safety Division. Call the number on this page to be connected with a local plumber in Moreno Valley.

Which agencies a Moreno Valley business deals with
Moreno Valley formed in 1984 from Sunnymead, Edgemont and Moreno, and the utility map still reflects that history. EMWD is the water and wastewater agency for most of the city and operates the Moreno Valley Regional Water Reclamation Facility. Box Springs Mutual covers roughly 430 acres on the west side, including Edgemont, and Edgemont CSD handles sewer in a western area. Before anyone touches a service line or lateral, confirm which names appear on the bills.
EMWD's supply is mainly imported Metropolitan water from the Colorado River and State Water Project, plus managed local groundwater and recycled water. Its Cross Connection Control and Backflow Prevention program surveys customer sites and inspects and tests new backflow devices, and test maintenance reports go to Backflow@emwd.org. EMWD notes that single-family homes generally aren't required to have a device, which leaves commercial, landscape and similar connections as the usual candidates. Box Springs Mutual sets its own requirements, so ask that company directly. EMWD's service line inventory found no lead lines and no galvanized lines needing replacement.
Permits run through the Building & Safety Division of the Community & Economic Development Department. Applications, including water heater change-outs, go in online through SimpliCITY or at the kiosks in City Hall, 14177 Frederick Street.
EMWD area versus the western Edgemont area
| Question | Most of Moreno Valley | Western area incl. Edgemont |
|---|---|---|
| Water provider | EMWD | Box Springs Mutual Water Company |
| Sewer provider | EMWD | Edgemont Community Services District |
| Backflow rules | EMWD cross-connection program | Varies; ask the water company |
| Who to call | EMWD emergencies 1-800-698-0400 | Box Springs Mutual 951-653-6419 |
| Permits | City Building & Safety | City Building & Safety |
Signs a commercial system needs attention
- Restrooms in a strip center backing up when the neighboring suite is busy
- Kitchen floor drains still holding water after closing cleanup
- A landscape or fire service assembly with no test tag or report recorded
- Hot water running short at peak hours
- Damp asphalt or a sunken spot between the meter and the building
Timing and seasonal notes
Summer heat drives irrigation demand, which is when landscape assemblies and sprinkler mainlines get stressed and leaks show up as green strips or soggy beds. Winter storms can overwhelm tired drains and expose root intrusion in laterals. Book shutdowns, water heater swaps and lateral work for slow hours, and give tenants notice before the water goes off.
Commercial Plumbing questions in Moreno Valley
How do we confirm which water agency serves our commercial address?
Does every commercial property need a backflow assembly?
Who do we call after hours if the problem is on the utility's side?
What should staff do if they smell gas at work?
More plumbing services in Moreno Valley
Commercial Plumbing nearby
Helpful guides
Sources
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