Public water system · AZ0402705

Active

Aspb Kartchner Caverns

At a glance

Aspb Kartchner Caverns (PWSID AZ0402705) is an active transient non-community water system in Cochise County, Arizona. It reports serving 483 people through 108 service connections. Its primary water source is groundwater, and EPA lists it as owned by a state government. Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in November 2024.

Dataset updated October 2026 . Source: EPA SDWIS/ECHO public records.

Population served

483

Service connections

108

Primary source

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDAZ0402705

System typeTransient non-community water system

Activity statusActive

Population served483

Service connections108

Primary water sourceGroundwater

Owner typeState government

Primacy agencyAZ state drinking water program

City servedBenson

StateArizona

ZIP—

CountyCochise County

How does Aspb Kartchner Caverns compare with other water systems in Cochise County?

By EPA's size categories, Aspb Kartchner Caverns is a very small system (500 people or fewer). Cochise County has 104 active public water systems. Its population served is about 61% below the county average of 1,253 people per system, and accounts for 0.4% of the 130,277 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 Aspb Kartchner Caverns is about 3.4 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. 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 Aspb Kartchner Caverns?

EPA lists Aspb Kartchner Caverns as owned by a state government. The AZ state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 4 of the 104 active systems in Cochise County (3.8%) are also owned by a state government.

Does Aspb Kartchner Caverns have drinking water violations?

Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in November 2024. The violations listed here began between October 2017 and November 2024. By type: 11 monitoring and reporting and 1 required treatment not met. The contaminant or rule involved most often is Chlorine (7 of them). EPA lists 12 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.

Began	Violation	Contaminant or rule	Health-based	Status
2024-11-15	Required treatment not metFailure To Address Deficiency · code 45	Groundwater Rulecode 0700	Yes	Resolved
2024-10-01	Monitoring and reportingMonitoring and Reporting (DBP) · code 27	Chlorinecode 0999	No	Resolved
2023-01-01	Monitoring and reportingLead Consumer Notice · code 66	Lead and Copper Rulecode 5000	No	Resolved
2022-01-01	Monitoring and reportingMonitoring and Reporting (DBP) · code 27	Chlorinecode 0999	No	Resolved
2020-04-01	Monitoring and reportingMonitoring and Reporting (DBP) · code 27	Chlorinecode 0999	No	Resolved
2020-01-01	Monitoring and reportingMonitoring and Reporting (DBP) · code 27	Chlorinecode 0999	No	Resolved
2019-09-11	Monitoring and reportingLead Consumer Notice · code 66	Lead and Copper Rulecode 5000	No	Resolved
2019-07-01	Monitoring and reportingMonitoring and Reporting (DBP) · code 27	Haloacetic acids (HAA5)code 2456	No	Resolved
2019-07-01	Monitoring and reportingMonitoring and Reporting (DBP) · code 27	Total trihalomethanes (TTHM)code 2950	No	Resolved
2019-01-01	Monitoring and reportingMonitoring and Reporting (DBP) · code 27	Chlorinecode 0999	No	Resolved
2018-01-01	Monitoring and reportingMonitoring and Reporting (DBP) · code 27	Chlorinecode 0999	No	Resolved
2017-10-01	Monitoring and reportingMonitoring and Reporting (DBP) · code 27	Chlorinecode 0999	No	Resolved

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.

Aspb Kartchner Caverns: frequently asked questions

Who runs Aspb Kartchner Caverns?

Aspb Kartchner Caverns (PWSID AZ0402705) is a transient non-community water system owned by a state government. It is regulated by the AZ state drinking water program.

How many people does Aspb Kartchner Caverns serve?

Aspb Kartchner Caverns reports serving 483 people through 108 service connections in Cochise County, Arizona.

Where does Aspb Kartchner Caverns 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 Aspb Kartchner Caverns have any drinking water violations?

Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in November 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 Aspb Kartchner Caverns' 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, one is health-based, and the most recent began in November 2024. For current results, consult EPA ECHO, or the AZ state drinking water program.

Where can I find Aspb Kartchner Caverns' water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Aspb Kartchner Caverns 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 Cochise County

Water system	County	Population served	Type	Source
Bella Vista City Water System	Cochise	20,045	Community	Groundwater
Douglas City of	Cochise	16,656	Community	Groundwater
Us Army Fort Huachuca	Cochise	15,603	Community	Groundwater
Pueblo Del Sol Water Company	Cochise	12,804	Community	Groundwater
Arizona Water Co - Sierra Vista	Cochise	9,175	Community	Groundwater
Arizona Water Co - Bisbee	Cochise	8,707	Community	Groundwater

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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, “Aspb Kartchner Caverns, PWSID AZ0402705, Arizona”, https://aquacensus.com/water-systems/arizona/aspb-kartchner-caverns-az0402705 (data as of October 1, 2026).