Public water system · AZ0405008
ActiveMt Graham Cabin Owners Assoc
At a glance
Mt Graham Cabin Owners Assoc (PWSID AZ0405008) is an active transient non-community water system in Graham County, Arizona. It reports serving 140 people through 75 service connections. Its primary water source is groundwater, and EPA lists it as under public/private ownership. Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in July 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
140
Service connections
75
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Mt Graham Cabin Owners Assoc compare with other water systems in Graham County?
By EPA's size categories, Mt Graham Cabin Owners Assoc is a very small system (500 people or fewer). Graham County has 16 active public water systems. Its population served is well below the county average of 1,859 people per system, and accounts for 0.5% of the 29,739 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 Mt Graham Cabin Owners Assoc is roughly in line with 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 Mt Graham Cabin Owners Assoc?
EPA lists Mt Graham Cabin Owners Assoc as under public/private ownership. 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. 1 of the 16 active systems in Graham County (6.3%) are also under public/private ownership.
Does Mt Graham Cabin Owners Assoc have drinking water violations?
Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in July 2025. The violations listed here began between January 2015 and July 2025. By type: 6 monitoring and reporting, 3 reporting, 2 monitoring and 1 required treatment not met. The contaminant or rule involved most often is Revised Total Coliform Rule (6 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 |
|---|---|---|---|---|
| 2025-07-09 | Monitoring and reportingMonitoring, Source Water (GWR) · code 34 | E. colicode 3014 | No | Resolved |
| 2023-05-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2021-08-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2020-04-22 | Required treatment not metTreatment Technique Startup Procedures (RTCR) · code 2D | Revised Total Coliform Rulecode 8000 | Yes | Resolved |
| 2020-04-22 | ReportingReport Startup Procedures Cert Form (RTCR) · code 4C | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2019-05-01 | ReportingReport Sample Result/Fail Monitor (RTCR) · code 4B | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2019-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2018-09-01 | ReportingReport Sample Result/Fail Monitor (RTCR) · code 4B | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2018-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2017-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2015-05-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2015-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | 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.
Mt Graham Cabin Owners Assoc: frequently asked questions
Who runs Mt Graham Cabin Owners Assoc?
Mt Graham Cabin Owners Assoc (PWSID AZ0405008) is a transient non-community water system under public/private ownership. It is regulated by the AZ state drinking water program.
How many people does Mt Graham Cabin Owners Assoc serve?
Mt Graham Cabin Owners Assoc reports serving 140 people through 75 service connections in Graham County, Arizona.
Where does Mt Graham Cabin Owners Assoc 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 Mt Graham Cabin Owners Assoc 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 July 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 Mt Graham Cabin Owners Assoc'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, one is health-based, and the most recent began in July 2025. For current results, consult EPA ECHO, or the AZ state drinking water program.
Where can I find Mt Graham Cabin Owners Assoc's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Mt Graham Cabin Owners Assoc 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 Graham County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Safford City of | Graham | 20,600 | Community | Groundwater |
| Graham County Utilities - Pima | Graham | 3,799 | Community | Groundwater |
| Freeport Mcmoran Safford | Graham | 1,619 | Non-transient non-community | Groundwater |
| Usdj Fbp Fed Corr Inst Safford | Graham | 949 | Community | Groundwater |
| Adoc Aspc Fort Grant | Graham | 800 | Community | Groundwater |
| Graham County Utilities-Fort Thomas | Graham | 452 | Community | Groundwater |
Related pages
Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.
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, “Mt Graham Cabin Owners Assoc, PWSID AZ0405008, Arizona”, https://aquacensus.com/water-systems/arizona/mt-graham-cabin-owners-assoc-az0405008 (data as of October 1, 2026).