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Public water system · CA1900045

Active

1000 Trails / Soledad Canyon Preserve

At a glance

1000 Trails / Soledad Canyon Preserve (PWSID CA1900045) is an active transient non-community water system in Los Angeles County, California. It reports serving 800 people through 182 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 3 violations for this system; 1 is health-based, and the most recent began in June 2024.

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

Population served

800

Service connections

182

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDCA1900045
System typeTransient non-community water system
Activity statusActive
Population served800
Service connections182
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyCA state drinking water program
City served—
StateCalifornia
ZIP—
CountyLos Angeles County

How does 1000 Trails / Soledad Canyon Preserve compare with other water systems in Los Angeles County?

By EPA's size categories, 1000 Trails / Soledad Canyon Preserve is a small system (501 to 3,300 people). Los Angeles County has 275 active public water systems. Its population served is well below the county average of 36,762 people per system, and accounts for less than 0.1% of the 10,109,668 people reported by systems filed under the county. Across California, the 7,479 active systems average 5,706 people each. Nationally, the average active transient non-community water system reports serving 144 people, so 1000 Trails / Soledad Canyon Preserve is about 5.6 times that figure.

What does “transient non-community water system” mean?

A transient non-community water system serves places where people do not stay long, such as gas stations and campgrounds, and regularly serves at least 25 people a day for at least 60 days a year. California has 3,016 active transient non-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 1000 Trails / Soledad Canyon Preserve?

EPA lists 1000 Trails / Soledad Canyon Preserve 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. 150 of the 275 active systems in Los Angeles County (55%) are also privately owned.

Does 1000 Trails / Soledad Canyon Preserve have drinking water violations?

EPA's records list 3 violations for this system; 1 is health-based, and the most recent began in June 2024. The violations listed here began between January 2017 and June 2024. By type: 1 contaminant level above the legal limit, 1 monitoring and 1 monitoring and reporting. The contaminant or rule involved most often is Nitrate (2 of them). EPA lists 2 as resolved and 1 as archived. 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.

BeganViolationContaminant or ruleHealth-basedStatus
2024-06-12Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Nitratecode 1040YesArchived
2017-07-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2017-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved

All 3 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.

1000 Trails / Soledad Canyon Preserve: frequently asked questions

Who runs 1000 Trails / Soledad Canyon Preserve?

1000 Trails / Soledad Canyon Preserve (PWSID CA1900045) is a transient non-community water system privately owned. It is regulated by the CA state drinking water program.

How many people does 1000 Trails / Soledad Canyon Preserve serve?

1000 Trails / Soledad Canyon Preserve reports serving 800 people through 182 service connections in Los Angeles County, California.

Where does 1000 Trails / Soledad Canyon Preserve 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 1000 Trails / Soledad Canyon Preserve have any drinking water violations?

EPA's records list 3 violations for this system; 1 is health-based, and the most recent began in June 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 1000 Trails / Soledad Canyon Preserve'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 3 violations for this system; 1 is health-based, and the most recent began in June 2024. For current results, consult EPA ECHO, or the CA state drinking water program.

Where can I find 1000 Trails / Soledad Canyon Preserve's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. 1000 Trails / Soledad Canyon Preserve is a transient non-community water system, so it is not required to publish one; like every public water system, it must notify the people it serves about violations under EPA's public notification rules.

Other water systems in Los Angeles County

Water systemCountyPopulation servedTypeSource
Los Angeles-City, Dept. of Water & PowerLos Angeles3,875,566CommunitySurface water
Long Beach Utilities DepartmentLos Angeles466,772CommunityPurchased surface water
Santa Clarita Valley Water AgencyLos Angeles294,090CommunitySurface water
Gswc - SouthwestLos Angeles277,740CommunityPurchased surface water
San Gabriel Valley Water Co.-El MonteLos Angeles248,000CommunityGroundwater
Los Angeles Cwwd 40 Reg 4 & 34 LancasterLos Angeles208,129CommunityPurchased 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, “1000 Trails / Soledad Canyon Preserve, PWSID CA1900045, California”, https://aquacensus.com/water-systems/california/1000-trails-soledad-canyon-preserve-ca1900045 (data as of October 1, 2026).