Public water system · CA5101009
ActiveWildewood East Mutual
At a glance
Wildewood East Mutual (PWSID CA5101009) is an active community water system in Sutter County, California. It reports serving 350 people through 48 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 6 violations for this system; 4 are health-based, and the most recent began in July 2012.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
350
Service connections
48
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Wildewood East Mutual compare with other water systems in Sutter County?
By EPA's size categories, Wildewood East Mutual is a very small system (500 people or fewer). Sutter County has 35 active public water systems, and Wildewood East Mutual is the 6th-largest of them by population served. Its population served is well below the county average of 2,514 people per system, and accounts for 0.4% of the 87,991 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 Wildewood East Mutual is well below 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. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 6,179 California systems (83%) list groundwater as their primary source.
Who owns and regulates Wildewood East Mutual?
EPA lists Wildewood East Mutual as privately owned. 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. 23 of the 35 active systems in Sutter County (66%) are also privately owned.
Does Wildewood East Mutual have drinking water violations?
EPA's records list 6 violations for this system; 4 are health-based, and the most recent began in July 2012. The violations listed here began between July 1993 and July 2012. By type: 4 contaminant level above the legal limit and 2 monitoring and reporting. The contaminant or rule involved most often is Total coliform bacteria (TCR) (3 of them). EPA lists 6 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 |
|---|---|---|---|---|
| 2012-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Arseniccode 1005 | Yes | Resolved |
| 2012-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Arseniccode 1005 | Yes | Resolved |
| 2000-09-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1997-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1996-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1993-07-01 | Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51 | Lead and Copper Rulecode 5000 | No | Resolved |
All 6 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.
Wildewood East Mutual: frequently asked questions
Who runs Wildewood East Mutual?
Wildewood East Mutual (PWSID CA5101009) is a community water system privately owned. It is regulated by the CA state drinking water program.
How many people does Wildewood East Mutual serve?
Wildewood East Mutual reports serving 350 people through 48 service connections in Sutter County, California.
Where does Wildewood East Mutual get its water?
EPA SDWIS lists this system's primary water source as groundwater. Groundwater means the system draws its water from wells or springs fed by underground aquifers.
Does Wildewood East Mutual have any drinking water violations?
EPA's records list 6 violations for this system; 4 are health-based, and the most recent began in July 2012. 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 Wildewood East Mutual'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 6 violations for this system; 4 are health-based, and the most recent began in July 2012. For current results, consult the system's annual water quality report, EPA ECHO, or the CA state drinking water program.
Where can I find Wildewood East Mutual's water quality report?
As a community water system, Wildewood East Mutual 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 Sutter County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| City of Yuba City | Sutter | 70,256 | Community | Surface water |
| City of Live Oak | Sutter | 9,285 | Community | Groundwater |
| Sutter Community S.D. | Sutter | 2,904 | Community | Groundwater |
| National American Corp. Lp-Lake Minden | Sutter | 1,065 | Transient non-community | Groundwater |
| Church of Glad Tidings | Sutter | 878 | Non-transient non-community | Groundwater |
| East Nicolaus Joint Union High School | Sutter | 330 | Non-transient non-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, “Wildewood East Mutual, PWSID CA5101009, California”, https://aquacensus.com/water-systems/california/wildewood-east-mutual-ca5101009 (data as of October 1, 2026).