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Public water system · CA3700018

Active

Campo Elementary School

At a glance

Campo Elementary School (PWSID CA3700018) is an active non-transient non-community water system in San Diego County, California. It reports serving 300 people through 3 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, 9 are health-based, and the most recent began in October 2025.

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

Population served

300

Service connections

3

Primary source

GW

Groundwater

System type

NTNCWS

Non-transient non-community water system

System record

PWSIDCA3700018
System typeNon-transient non-community water system
Activity statusActive
Population served300
Service connections3
Primary water sourceGroundwater
Owner typeLocal government
Primacy agencyCA state drinking water program
City served—
StateCalifornia
ZIP—
CountySan Diego County

How does Campo Elementary School compare with other water systems in San Diego County?

By EPA's size categories, Campo Elementary School is a very small system (500 people or fewer). San Diego County has 191 active public water systems. Its population served is well below the county average of 19,427 people per system, and accounts for less than 0.1% of the 3,710,459 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 Campo Elementary School is about 30% 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 Campo Elementary School?

EPA lists Campo 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. 58 of the 191 active systems in San Diego County (30%) are also owned by a local government.

Does Campo Elementary School have drinking water violations?

Of the 12 most recent violations in EPA's records, 9 are health-based, and the most recent began in October 2025. The violations listed here began between October 2023 and October 2025. By type: 9 contaminant level above the legal limit and 3 monitoring and reporting. The contaminant or rule involved most often is Nitrate (8 of them). EPA lists 12 as archived. 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
2025-10-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Combined Uraniumcode 4006YesArchived
2025-07-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Combined Uraniumcode 4006YesArchived
2025-04-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Combined Uraniumcode 4006YesArchived
2025-04-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Single Sample · code 01Nitratecode 1040YesArchived
2025-01-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Single Sample · code 01Nitratecode 1040YesArchived
2024-10-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Single Sample · code 01Nitratecode 1040YesArchived
2024-07-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Single Sample · code 01Nitratecode 1040YesArchived
2024-04-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoArchived
2024-04-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoArchived
2024-01-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Single Sample · code 01Nitratecode 1040YesArchived
2023-10-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Single Sample · code 01Nitratecode 1040YesArchived
2023-10-01Monitoring and reportingMonitoring, Regular · code 03Combined Uraniumcode 4006NoArchived

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.

Campo Elementary School: frequently asked questions

Who runs Campo Elementary School?

Campo Elementary School (PWSID CA3700018) 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 Campo Elementary School serve?

Campo Elementary School reports serving 300 people through 3 service connections in San Diego County, California.

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

Of the 12 most recent violations in EPA's records, 9 are 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 Campo 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. Of the 12 most recent violations in EPA's records, 9 are health-based, and the most recent began in October 2025. For current results, consult EPA ECHO, or the CA state drinking water program.

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

The annual Consumer Confidence Report requirement applies to community water systems. Campo 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 San Diego County

Water systemCountyPopulation servedTypeSource
San Diego, City ofSan Diego1,385,379CommunitySurface water
Helix Water DistrictSan Diego277,668CommunitySurface water
Otay Water DistrictSan Diego238,008CommunityPurchased surface water
Sweetwater AuthoritySan Diego191,282CommunitySurface water
Oceanside, City ofSan Diego171,483CommunityPurchased surface water
Escondido, City ofSan Diego137,044CommunitySurface 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, “Campo Elementary School, PWSID CA3700018, California”, https://aquacensus.com/water-systems/california/campo-elementary-school-ca3700018 (data as of October 1, 2026).