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Public water system · CA4500277

Active

Usfs Yolla Bolla Corp Yard

At a glance

Usfs Yolla Bolla Corp Yard (PWSID CA4500277) is an active non-transient non-community water system in Shasta County, California. It reports serving 68 people through 15 service connections. Its primary water source is groundwater, and EPA lists it as owned by the federal government. EPA's records list 7 violations for this system; 3 are health-based, and the most recent began in November 2013.

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

Population served

68

Service connections

15

Primary source

GW

Groundwater

System type

NTNCWS

Non-transient non-community water system

System record

PWSIDCA4500277
System typeNon-transient non-community water system
Activity statusActive
Population served68
Service connections15
Primary water sourceGroundwater
Owner typeFederal government
Primacy agencyCA state drinking water program
City served—
StateCalifornia
ZIP—
CountyShasta County

How does Usfs Yolla Bolla Corp Yard compare with other water systems in Shasta County?

By EPA's size categories, Usfs Yolla Bolla Corp Yard is a very small system (500 people or fewer). Shasta County has 174 active public water systems. Its population served is well below the county average of 1,208 people per system, and accounts for less than 0.1% of the 210,209 people reported by systems filed under the county. Across California, the 7,479 active systems average 5,706 people each. Nationally, the average active non-transient non-community water system reports serving 430 people, so Usfs Yolla Bolla Corp Yard is well below that figure.

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

A non-transient non-community water system regularly serves at least 25 of the same people for more than six months a year, but not where they live. Schools, factories, office buildings and hospitals with their own supply are typical examples. California has 1,466 active non-transient non-community water systems, 20% 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 Usfs Yolla Bolla Corp Yard?

EPA lists Usfs Yolla Bolla Corp Yard as owned by the federal 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. 18 of the 174 active systems in Shasta County (10%) are also owned by the federal government.

Does Usfs Yolla Bolla Corp Yard have drinking water violations?

EPA's records list 7 violations for this system; 3 are health-based, and the most recent began in November 2013. The violations listed here began between July 1993 and November 2013. By type: 4 monitoring and reporting and 3 contaminant level above the legal limit. The contaminant or rule involved most often is Total coliform bacteria (TCR) (6 of them). EPA lists 7 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
2013-11-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2010-05-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2008-09-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2008-06-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2007-08-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2007-01-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
1993-07-01Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51Lead and Copper Rulecode 5000NoResolved

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.

Usfs Yolla Bolla Corp Yard: frequently asked questions

Who runs Usfs Yolla Bolla Corp Yard?

Usfs Yolla Bolla Corp Yard (PWSID CA4500277) is a non-transient non-community water system owned by the federal government. It is regulated by the CA state drinking water program.

How many people does Usfs Yolla Bolla Corp Yard serve?

Usfs Yolla Bolla Corp Yard reports serving 68 people through 15 service connections in Shasta County, California.

Where does Usfs Yolla Bolla Corp Yard 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 Usfs Yolla Bolla Corp Yard have any drinking water violations?

EPA's records list 7 violations for this system; 3 are health-based, and the most recent began in November 2013. 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 Usfs Yolla Bolla Corp Yard'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; 3 are health-based, and the most recent began in November 2013. For current results, consult EPA ECHO, or the CA state drinking water program.

Where can I find Usfs Yolla Bolla Corp Yard's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Usfs Yolla Bolla Corp Yard is a non-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 Shasta County

Water systemCountyPopulation servedTypeSource
City of ReddingShasta89,628CommunitySurface water
Bella Vista Water DistrictShasta18,612CommunitySurface water
City of AndersonShasta11,147CommunityGroundwater
City of Shasta LakeShasta10,657CommunitySurface water
Shasta District FairShasta10,200Transient non-communityGroundwater
Clear Creek Csd-AndersonShasta8,900CommunitySurface 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, “Usfs Yolla Bolla Corp Yard, PWSID CA4500277, California”, https://aquacensus.com/water-systems/california/usfs-yolla-bolla-corp-yard-ca4500277 (data as of October 1, 2026).