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AquaCensus

Public water system · 090600032

Active

Ranchos Los Ferro MHP

At a glance

Ranchos Los Ferro MHP (PWSID 090600032) is an active community water system in California. It reports serving 41 people through 10 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in May 2024.

Dataset updated . Source: EPA SDWIS/ECHO public records.

Population served

41

Service connections

10

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSID090600032
System typeCommunity water system
Activity statusActive
Population served41
Service connections10
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyEPA Region 09
City served—
StateCalifornia
ZIP—
County—

How does Ranchos Los Ferro MHP compare with other water systems in California?

By EPA's size categories, Ranchos Los Ferro MHP is a very small system (500 people or fewer). 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 Ranchos Los Ferro MHP 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 Ranchos Los Ferro MHP?

EPA lists Ranchos Los Ferro MHP as privately owned. The EPA Region 09 is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act.

Does Ranchos Los Ferro MHP have drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in May 2024. The violations listed here began between March 2023 and May 2024. By type: 12 monitoring. The contaminant or rule involved most often is Revised Total Coliform Rule (12 of them). EPA lists 12 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.

BeganViolationContaminant or ruleHealth-basedStatus
2024-05-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2024-04-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2024-03-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2024-02-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2024-01-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2023-12-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2023-10-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2023-09-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2023-07-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2023-06-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2023-04-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2023-03-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved

The 12 most recent 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.

Ranchos Los Ferro MHP: frequently asked questions

Who runs Ranchos Los Ferro MHP?

Ranchos Los Ferro MHP (PWSID 090600032) is a community water system privately owned. It is regulated by the EPA Region 09.

How many people does Ranchos Los Ferro MHP serve?

Ranchos Los Ferro MHP reports serving 41 people through 10 service connections in California.

Where does Ranchos Los Ferro MHP 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 Ranchos Los Ferro MHP have any drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in May 2024. 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 Ranchos Los Ferro MHP'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. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in May 2024. For current results, consult the system's annual water quality report, EPA ECHO, or the EPA Region 09.

Where can I find Ranchos Los Ferro MHP's water quality report?

As a community water system, Ranchos Los Ferro MHP 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 California

Water systemCountyPopulation servedTypeSource
Los Angeles-City, Dept. of Water & PowerLos Angeles3,875,566CommunitySurface water
East Bay MUDAlameda1,442,800CommunitySurface water
San Diego, City ofSan Diego1,385,379CommunitySurface water
San Jose WaterSanta Clara1,039,920CommunitySurface water
Sfpuc City Distribution DivisionSan Francisco848,019CommunityPurchased surface water
Eastern Municipal WdRiverside666,581CommunityPurchased 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, “Ranchos Los Ferro MHP, PWSID 090600032, California”, https://aquacensus.com/water-systems/california/ranchos-los-ferro-mhp-090600032 (data as of October 1, 2026).