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Public water system · CA4700591

Active

Delphic Elementary School

At a glance

Delphic Elementary School (PWSID CA4700591) is an active non-transient non-community water system in Siskiyou County, California. It reports serving 50 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 11 violations for this system; 3 are health-based, and the most recent began in October 2020.

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

Population served

50

Service connections

1

Primary source

GW

Groundwater

System type

NTNCWS

Non-transient non-community water system

System record

PWSIDCA4700591
System typeNon-transient non-community water system
Activity statusActive
Population served50
Service connections1
Primary water sourceGroundwater
Owner typeLocal government
Primacy agencyCA state drinking water program
City served—
StateCalifornia
ZIP—
CountySiskiyou County

How does Delphic Elementary School compare with other water systems in Siskiyou County?

By EPA's size categories, Delphic Elementary School is a very small system (500 people or fewer). Siskiyou County has 69 active public water systems. Its population served is well below the county average of 593 people per system, and accounts for 0.1% of the 40,908 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 Delphic Elementary School 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 Delphic Elementary School?

EPA lists Delphic Elementary School as owned by a local 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. 21 of the 69 active systems in Siskiyou County (30%) are also owned by a local government.

Does Delphic Elementary School have drinking water violations?

EPA's records list 11 violations for this system; 3 are health-based, and the most recent began in October 2020. The violations listed here began between January 1994 and October 2020. By type: 6 monitoring and reporting, 3 contaminant level above the legal limit, 1 monitoring and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Total coliform bacteria (TCR) (6 of them). EPA lists 11 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
2020-10-01Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52Lead and Copper Rulecode 5000NoResolved
2019-11-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2019-10-01Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52Lead and Copper Rulecode 5000NoResolved
2018-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved
2017-10-01Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52Lead and Copper Rulecode 5000NoResolved
2016-02-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2015-09-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2008-03-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2005-10-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
1995-10-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
1994-01-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved

All 11 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.

Delphic Elementary School: frequently asked questions

Who runs Delphic Elementary School?

Delphic Elementary School (PWSID CA4700591) is a non-transient non-community water system owned by a local government. It is regulated by the CA state drinking water program.

How many people does Delphic Elementary School serve?

Delphic Elementary School reports serving 50 people through 1 service connection in Siskiyou County, California.

Where does Delphic Elementary School 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 Delphic Elementary School have any drinking water violations?

EPA's records list 11 violations for this system; 3 are health-based, and the most recent began in October 2020. 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 Delphic Elementary School'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 11 violations for this system; 3 are health-based, and the most recent began in October 2020. For current results, consult EPA ECHO, or the CA state drinking water program.

Where can I find Delphic Elementary School's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Delphic Elementary School 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 Siskiyou County

Water systemCountyPopulation servedTypeSource
Yreka, City ofSiskiyou7,825CommunitySurface water
Mt. Shasta, City ofSiskiyou3,642CommunityGroundwater
Mt. Shasta Ski ParkSiskiyou3,500Transient non-communityGroundwater
Lake Shastina C.S.DSiskiyou2,790CommunityGroundwater
Weed, City ofSiskiyou2,662CommunityGroundwater
Lake Siskiyou CampgroundSiskiyou1,800Transient non-communitySurface 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, “Delphic Elementary School, PWSID CA4700591, California”, https://aquacensus.com/water-systems/california/delphic-elementary-school-ca4700591 (data as of October 1, 2026).