Public water system · CA3400191
ActiveEleven Oaks Mobile Home Community
At a glance
Eleven Oaks Mobile Home Community (PWSID CA3400191) is an active community water system in Sacramento County, California. It reports serving 262 people through 136 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 7 violations for this system; none is health-based, and the most recent began in October 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
262
Service connections
136
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Eleven Oaks Mobile Home Community compare with other water systems in Sacramento County?
By EPA's size categories, Eleven Oaks Mobile Home Community is a very small system (500 people or fewer). Sacramento County has 164 active public water systems. Its population served is well below the county average of 10,325 people per system, and accounts for less than 0.1% of the 1,693,284 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 Eleven Oaks Mobile Home Community 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 Eleven Oaks Mobile Home Community?
EPA lists Eleven Oaks Mobile Home Community 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. 115 of the 164 active systems in Sacramento County (70%) are also privately owned.
Does Eleven Oaks Mobile Home Community have drinking water violations?
EPA's records list 7 violations for this system; none is health-based, and the most recent began in October 2025. The violations listed here began between October 1980 and October 2025. By type: 6 monitoring and reporting and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Lead and Copper Rule (3 of them). EPA lists 3 as resolved, 3 as archived and 1 as unaddressed. 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. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2025-10-01 | Monitoring and reportingInitial, Follow-up, or Routine Source Water M/R · code 56 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2025-10-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Unaddressed |
| 2015-11-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1993-07-01 | Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51 | Lead and Copper Rulecode 5000 | No | Resolved |
| 1984-08-01 | Public notice, recordkeeping or otherNotification, Public · code 06 | Not reported | No | Archived |
| 1981-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Gross alpha (excluding radon and uranium)code 4000 | No | Archived |
| 1980-10-30 | Monitoring and reportingMonitoring, Regular · code 03 | Gross alpha (excluding radon and uranium)code 4000 | No | Archived |
All 7 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.
Eleven Oaks Mobile Home Community: frequently asked questions
Who runs Eleven Oaks Mobile Home Community?
Eleven Oaks Mobile Home Community (PWSID CA3400191) is a community water system privately owned. It is regulated by the CA state drinking water program.
How many people does Eleven Oaks Mobile Home Community serve?
Eleven Oaks Mobile Home Community reports serving 262 people through 136 service connections in Sacramento County, California.
Where does Eleven Oaks Mobile Home Community 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 Eleven Oaks Mobile Home Community have any drinking water violations?
EPA's records list 7 violations for this system; none is health-based, and the most recent began in October 2025. 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 Eleven Oaks Mobile Home Community'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 7 violations for this system; none is health-based, and the most recent began in October 2025. For current results, consult the system's annual water quality report, EPA ECHO, or the CA state drinking water program.
Where can I find Eleven Oaks Mobile Home Community's water quality report?
As a community water system, Eleven Oaks Mobile Home Community 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 Sacramento County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| City of Sacramento Main | Sacramento | 527,979 | Community | Surface water |
| Sacramento Suburban Water District | Sacramento | 194,444 | Community | Purchased surface water |
| Scwa - Laguna/Vineyard | Sacramento | 184,896 | Community | Surface water |
| Folsom, City of - Main | Sacramento | 80,969 | Community | Surface water |
| Citrus Heights Water District | Sacramento | 67,818 | Community | Purchased surface water |
| Cal Am - Suburban Rosemont | Sacramento | 54,793 | Community | Purchased surface water |
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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, “Eleven Oaks Mobile Home Community, PWSID CA3400191, California”, https://aquacensus.com/water-systems/california/eleven-oaks-mobile-home-community-ca3400191 (data as of October 1, 2026).