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Public water system · CA1300617

Active

South Mesa Campground

At a glance

South Mesa Campground (PWSID CA1300617) is an active transient non-community water system in Imperial County, Arizona. It reports serving 25 people through 7 service connections. Its primary water source is groundwater, and EPA lists it as owned by the federal government. EPA's records list 2 violations for this system; none is health-based, and the most recent began in January 2022.

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

Population served

25

Service connections

7

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDCA1300617
System typeTransient non-community water system
Activity statusActive
Population served25
Service connections7
Primary water sourceGroundwater
Owner typeFederal government
Primacy agencyCA state drinking water program
City served—
StateArizona
ZIP—
CountyImperial County

How does South Mesa Campground compare with other water systems in Imperial County?

By EPA's size categories, South Mesa Campground is a very small system (500 people or fewer). Imperial County has 2 active public water systems, and South Mesa Campground is the largest of them by population served. Its population served is roughly in line with the county average of 25 people per system, and accounts for 50% of the 50 people reported by systems filed under the county. Across Arizona, the 1,769 active systems average 4,369 people each. Nationally, the average active transient non-community water system reports serving 144 people, so South Mesa Campground is well below 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. Arizona has 601 active transient non-community water systems, 34% of the state's 1,769 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 1,612 Arizona systems (91%) list groundwater as their primary source.

Who owns and regulates South Mesa Campground?

EPA lists South Mesa Campground 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. 1 of the 2 active systems in Imperial County (50%) are also owned by the federal government.

Does South Mesa Campground have drinking water violations?

EPA's records list 2 violations for this system; none is health-based, and the most recent began in January 2022. The violations listed here began between January 2016 and January 2022. By type: 2 monitoring and reporting. The contaminant or rule involved most often is Nitrate (2 of them). EPA lists 2 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
2022-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
2016-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved

All 2 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.

South Mesa Campground: frequently asked questions

Who runs South Mesa Campground?

South Mesa Campground (PWSID CA1300617) is a transient non-community water system owned by the federal government. It is regulated by the CA state drinking water program.

How many people does South Mesa Campground serve?

South Mesa Campground reports serving 25 people through 7 service connections in Imperial County, Arizona.

Where does South Mesa Campground 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 South Mesa Campground have any drinking water violations?

EPA's records list 2 violations for this system; none is health-based, and the most recent began in January 2022. 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 South Mesa Campground'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 2 violations for this system; none is health-based, and the most recent began in January 2022. For current results, consult EPA ECHO, or the CA state drinking water program.

Where can I find South Mesa Campground's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. South Mesa Campground 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 Imperial County

Water systemCountyPopulation servedTypeSource
Yumi Dates Freezer FacilityImperial25Transient non-communityGroundwater

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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, “South Mesa Campground, PWSID CA1300617, Arizona”, https://aquacensus.com/water-systems/arizona/south-mesa-campground-ca1300617 (data as of October 1, 2026).