Public water system · AZ0412028
ActiveSanta Cruz County Fairgrounds
At a glance
Santa Cruz County Fairgrounds (PWSID AZ0412028) is an active transient non-community water system in Santa Cruz County, Arizona. It reports serving 297 people through 3 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, none is health-based, and the most recent began in November 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
297
Service connections
3
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Santa Cruz County Fairgrounds compare with other water systems in Santa Cruz County?
By EPA's size categories, Santa Cruz County Fairgrounds is a very small system (500 people or fewer). Santa Cruz County has 37 active public water systems. Its population served is well below the county average of 1,350 people per system, and accounts for 0.6% of the 49,946 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 Santa Cruz County Fairgrounds is about twice 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 Santa Cruz County Fairgrounds?
EPA lists Santa Cruz County Fairgrounds 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. 13 of the 37 active systems in Santa Cruz County (35%) are also under public/private ownership.
Does Santa Cruz County Fairgrounds have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in November 2025. The violations listed here began between April 2019 and November 2025. By type: 7 monitoring, 3 reporting, 1 monitoring and reporting and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Revised Total Coliform Rule (10 of them). EPA lists 11 as resolved and 1 as unaddressed. 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. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2025-11-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2025-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2024-12-20 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Unaddressed |
| 2024-03-01 | ReportingReport Sample Result/Fail Monitor (RTCR) · code 4B | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2023-11-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2022-11-01 | ReportingReport Sample Result/Fail Monitor (RTCR) · code 4B | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2022-06-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2021-11-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2021-01-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2019-12-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2019-11-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2019-04-01 | ReportingReport Sample Result/Fail Monitor (RTCR) · code 4B | Revised Total Coliform Rulecode 8000 | 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.
Santa Cruz County Fairgrounds: frequently asked questions
Who runs Santa Cruz County Fairgrounds?
Santa Cruz County Fairgrounds (PWSID AZ0412028) 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 Santa Cruz County Fairgrounds serve?
Santa Cruz County Fairgrounds reports serving 297 people through 3 service connections in Santa Cruz County, Arizona.
Where does Santa Cruz County Fairgrounds 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 Santa Cruz County Fairgrounds have any drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in November 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 Santa Cruz County Fairgrounds' 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, none is health-based, and the most recent began in November 2025. For current results, consult EPA ECHO, or the AZ state drinking water program.
Where can I find Santa Cruz County Fairgrounds' water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Santa Cruz County Fairgrounds 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 Santa Cruz County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Nogales City of | Santa Cruz | 22,000 | Community | Groundwater |
| Liberty Water Rio Rico | Santa Cruz | 17,960 | Community | Groundwater |
| Valle Verde Water Company - East | Santa Cruz | 2,331 | Community | Groundwater |
| Epcor - Tubac | Santa Cruz | 2,076 | Community | Groundwater |
| Baca Float Water Company | Santa Cruz | 1,090 | Community | Groundwater |
| Patagonia Water Department | Santa Cruz | 819 | 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, “Santa Cruz County Fairgrounds, PWSID AZ0412028, Arizona”, https://aquacensus.com/water-systems/arizona/santa-cruz-county-fairgrounds-az0412028 (data as of October 1, 2026).