Public water system · AZ0404096
ActiveCowan Ranch Hoa
At a glance
Cowan Ranch Hoa (PWSID AZ0404096) is an active transient non-community water system in Gila County, Arizona. It reports serving 25 people through 19 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 November 2021.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
25
Service connections
19
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Cowan Ranch Hoa compare with other water systems in Gila County?
By EPA's size categories, Cowan Ranch Hoa is a very small system (500 people or fewer). Gila County has 101 active public water systems. Its population served is well below the county average of 615 people per system, and accounts for less than 0.1% of the 62,067 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 Cowan Ranch Hoa 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 Cowan Ranch Hoa?
EPA lists Cowan Ranch Hoa 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. 33 of the 101 active systems in Gila County (33%) are also under public/private ownership.
Does Cowan Ranch Hoa 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 2021. The violations listed here began between May 2005 and November 2021. By type: 9 monitoring and reporting, 2 reporting and 1 required treatment not met. The contaminant or rule involved most often is Total coliform bacteria (TCR) (5 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 |
|---|---|---|---|---|
| 2021-11-01 | ReportingReport Sample Result/Fail Monitor (RTCR) · code 4B | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2020-03-01 | ReportingReport Sample Result/Fail Monitor (RTCR) · code 4B | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2019-09-09 | Required treatment not metTreatment Technique, Level 1 Assessment (RTCR) · code 2A | Revised Total Coliform Rulecode 8000 | Yes | Resolved |
| 2018-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2014-03-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2014-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitritecode 1041 | No | Resolved |
| 2011-10-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2011-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2009-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2007-11-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2006-08-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2005-05-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | 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.
Cowan Ranch Hoa: frequently asked questions
Who runs Cowan Ranch Hoa?
Cowan Ranch Hoa (PWSID AZ0404096) 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 Cowan Ranch Hoa serve?
Cowan Ranch Hoa reports serving 25 people through 19 service connections in Gila County, Arizona.
Where does Cowan Ranch Hoa 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 Cowan Ranch Hoa 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 2021. 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 Cowan Ranch Hoa'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 November 2021. For current results, consult EPA ECHO, or the AZ state drinking water program.
Where can I find Cowan Ranch Hoa's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Cowan Ranch Hoa 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 Gila County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Payson Town of | Gila | 17,682 | Community | Groundwater |
| Arizona Water Co - Miami Claypool | Gila | 8,656 | Community | Groundwater |
| Pine Strawberry Wid | Gila | 8,013 | Community | Groundwater |
| Globe City of | Gila | 7,536 | Community | Groundwater |
| Tonto Basin Water - Lr Gardens West | Gila | 1,172 | Community | Groundwater |
| Town of Star Valley Water Department | Gila | 1,157 | 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, “Cowan Ranch Hoa, PWSID AZ0404096, Arizona”, https://aquacensus.com/water-systems/arizona/cowan-ranch-hoa-az0404096 (data as of October 1, 2026).