Public water system · AZ0413116
ActiveMingus Union High School
At a glance
Mingus Union High School (PWSID AZ0413116) is an active non-transient non-community water system in Yavapai County, Arizona. It reports serving 1,200 people through 7 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in December 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
1,200
Service connections
7
Primary source
GW
Groundwater
System type
NTNCWS
Non-transient non-community water system
System record
How does Mingus Union High School compare with other water systems in Yavapai County?
By EPA's size categories, Mingus Union High School is a small system (501 to 3,300 people). Yavapai County has 238 active public water systems. Its population served is about 28% above the county average of 938 people per system, and accounts for 0.5% of the 223,192 people reported by systems filed under the county. Across Arizona, the 1,769 active systems average 4,369 people each. Nationally, the average active non-transient non-community water system reports serving 430 people, so Mingus Union High School is about 179% above that figure.
What does “non-transient non-community water system” mean?
A non-transient non-community water system regularly serves at least 25 of the same people for more than six months a year, but not where they live. Schools, factories, office buildings and hospitals with their own supply are typical examples. Arizona has 232 active non-transient non-community water systems, 13% 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 Mingus Union High School?
EPA lists Mingus Union High School as owned by a local 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. 17 of the 238 active systems in Yavapai County (7.1%) are also owned by a local government.
Does Mingus Union High School have drinking water violations?
Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in December 2024. The violations listed here began between January 2015 and December 2024. By type: 6 monitoring and reporting, 2 public notice, recordkeeping or other, 2 required treatment not met and 2 reporting. The contaminant or rule involved most often is Revised Total Coliform Rule (4 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 |
|---|---|---|---|---|
| 2024-12-05 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2024-12-05 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2024-09-09 | Required treatment not metTreatment Technique, Level 2 Assessment (RTCR) · code 2B | Revised Total Coliform Rulecode 8000 | Yes | Resolved |
| 2024-08-11 | Required treatment not metTreatment Technique, Level 2 Assessment (RTCR) · code 2B | Revised Total Coliform Rulecode 8000 | Yes | Resolved |
| 2021-10-01 | ReportingReport Sample Result/Fail Monitor (RTCR) · code 4B | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2017-08-01 | ReportingReport Sample Result/Fail Monitor (RTCR) · code 4B | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2015-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Antimonycode 1074 | No | Resolved |
| 2015-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Cyanidecode 1024 | No | Resolved |
| 2015-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nickelcode 1036 | No | Resolved |
| 2015-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Cadmiumcode 1015 | No | Resolved |
| 2015-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Bariumcode 1010 | No | Resolved |
| 2015-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Seleniumcode 1045 | 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.
Mingus Union High School: frequently asked questions
Who runs Mingus Union High School?
Mingus Union High School (PWSID AZ0413116) is a non-transient non-community water system owned by a local government. It is regulated by the AZ state drinking water program.
How many people does Mingus Union High School serve?
Mingus Union High School reports serving 1,200 people through 7 service connections in Yavapai County, Arizona.
Where does Mingus Union High School 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 Mingus Union High School have any drinking water violations?
Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in December 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 Mingus Union High School'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, 2 are health-based, and the most recent began in December 2024. For current results, consult EPA ECHO, or the AZ state drinking water program.
Where can I find Mingus Union High School's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Mingus Union High School is a non-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 Yavapai County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Town of Prescott Valley | Yavapai | 57,048 | Community | Groundwater |
| Prescott City of | Yavapai | 42,217 | Community | Groundwater |
| Cottonwood Municipal Water Cw1 | Yavapai | 11,023 | Community | Groundwater |
| Big Park Water Company | Yavapai | 7,392 | Community | Groundwater |
| Town of Camp Verde Utilities | Yavapai | 5,013 | Community | Groundwater |
| Clarkdale Municipal Water System | Yavapai | 4,920 | 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, “Mingus Union High School, PWSID AZ0413116, Arizona”, https://aquacensus.com/water-systems/arizona/mingus-union-high-school-az0413116 (data as of October 1, 2026).