Public water system · CA3610037
ActiveRedlands City Mud-Water Div
At a glance
Redlands City Mud-Water Div (PWSID CA3610037) is an active community water system in San Bernardino County, California. It reports serving 78,025 people through 22,726 service connections. Its primary water source is surface water, and EPA lists it as owned by a local government. EPA's records list 2 violations for this system; 1 is health-based, and the most recent began in June 2009.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
78,025
Service connections
22,726
Primary source
SW
Surface water
System type
CWS
Community water system
System record
How does Redlands City Mud-Water Div compare with other water systems in San Bernardino County?
By EPA's size categories, Redlands City Mud-Water Div is a large system (10,001 to 100,000 people). San Bernardino County has 306 active public water systems. Its population served is about 8.5 times the county average of 9,227 people per system, and accounts for 2.8% of the 2,823,318 people reported by systems filed under the county. Across California, the 7,479 active systems average 5,706 people each. Nationally, the average active community water system reports serving 6,703 people, so Redlands City Mud-Water Div is about 12 times that figure.
What does “community water system” mean?
A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. California has 2,997 active community water systems, 40% of the state's 7,479 active systems. Surface water means the system draws its water from rivers, lakes, streams or reservoirs. 609 California systems (8.1%) list surface water as their primary source.
Who owns and regulates Redlands City Mud-Water Div?
EPA lists Redlands City Mud-Water Div as owned by a local government. The CA state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 74 of the 306 active systems in San Bernardino County (24%) are also owned by a local government.
Does Redlands City Mud-Water Div have drinking water violations?
EPA's records list 2 violations for this system; 1 is health-based, and the most recent began in June 2009. The violations listed here began between January 2000 and June 2009. By type: 1 monitoring and reporting and 1 required treatment not met. The contaminants or rules involved are Total coliform bacteria (TCR) and Surface Water Treatment Rule. EPA lists 2 as resolved. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2009-06-01 | Monitoring and reportingMonitoring, Repeat Minor (TCR) · code 26 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2000-01-01 | Required treatment not metTreatment Technique (SWTR and GWR) · code 41 | Surface Water Treatment Rulecode 0200 | Yes | Resolved |
All 2 violations in EPA's records, newest first.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.
Redlands City Mud-Water Div: frequently asked questions
Who runs Redlands City Mud-Water Div?
Redlands City Mud-Water Div (PWSID CA3610037) is a community water system owned by a local government. It is regulated by the CA state drinking water program.
How many people does Redlands City Mud-Water Div serve?
Redlands City Mud-Water Div reports serving 78,025 people through 22,726 service connections in San Bernardino County, California.
Where does Redlands City Mud-Water Div get its water?
EPA SDWIS lists this system's primary water source as surface water. Surface water means the system draws its water from rivers, lakes, streams or reservoirs.
Does Redlands City Mud-Water Div have any drinking water violations?
EPA's records list 2 violations for this system; 1 is health-based, and the most recent began in June 2009. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.
Is Redlands City Mud-Water Div's water safe to drink?
AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. EPA's records list 2 violations for this system; 1 is health-based, and the most recent began in June 2009. For current results, consult the system's annual water quality report, EPA ECHO, or the CA state drinking water program.
Where can I find Redlands City Mud-Water Div's water quality report?
As a community water system, Redlands City Mud-Water Div must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.
Other water systems in San Bernardino County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| San Gabriel Valley Wc - Fontana | San Bernardino | 237,700 | Community | Surface water |
| San Bernardino City | San Bernardino | 214,665 | Community | Groundwater |
| Cucamonga Valley Water District | San Bernardino | 211,069 | Community | Surface water |
| Ontario Municipal Utilities Company | San Bernardino | 185,010 | Community | Purchased surface water |
| Victorville Water District | San Bernardino | 135,983 | Community | Purchased surface water |
| San Bernardino Valley Wd | San Bernardino | 109,608 | Community | Groundwater |
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About this data
Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.
Cite as: AquaCensus, “Redlands City Mud-Water Div, PWSID CA3610037, California”, https://aquacensus.com/water-systems/california/redlands-city-mud-water-div-ca3610037 (data as of October 1, 2026).