Public water system · AZ0413041
ActiveOak Creek Water District
At a glance
Oak Creek Water District (PWSID AZ0413041) is an active community water system in Yavapai County, Arizona. It reports serving 1,507 people through 755 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, 7 are health-based, and the most recent began in June 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
1,507
Service connections
755
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Oak Creek Water District compare with other water systems in Yavapai County?
By EPA's size categories, Oak Creek Water District is a small system (501 to 3,300 people). Yavapai County has 238 active public water systems. Its population served is about 61% above the county average of 938 people per system, and accounts for 0.7% 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 community water system reports serving 6,703 people, so Oak Creek Water District is well below that figure.
What does “community water system” mean?
A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. Arizona has 936 active community water systems, 53% 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 Oak Creek Water District?
EPA lists Oak Creek Water District as privately owned. 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. 113 of the 238 active systems in Yavapai County (47%) are also privately owned.
Does Oak Creek Water District have drinking water violations?
Of the 12 most recent violations in EPA's records, 7 are health-based, and the most recent began in June 2024. The violations listed here began between October 2021 and June 2024. By type: 6 contaminant level above the legal limit, 2 reporting, 2 monitoring and reporting, 1 public notice, recordkeeping or other and 1 required treatment not met. The contaminant or rule involved most often is Arsenic (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 |
|---|---|---|---|---|
| 2024-06-28 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2024-03-06 | Required treatment not metTreatment Technique, Level 2 Assessment (RTCR) · code 2B | Revised Total Coliform Rulecode 8000 | Yes | Resolved |
| 2023-12-05 | ReportingReporting, Assessment Forms (RTCR) · code 4A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2023-06-17 | Monitoring and reportingMonitoring, Source Water (GWR) · code 34 | E. colicode 3014 | No | Resolved |
| 2023-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Arseniccode 1005 | Yes | Resolved |
| 2023-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Arseniccode 1005 | Yes | Resolved |
| 2023-01-01 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2022-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Arseniccode 1005 | Yes | Resolved |
| 2022-09-01 | ReportingReport Sample Result/Fail Monitor (RTCR) · code 4B | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2022-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Arseniccode 1005 | Yes | Resolved |
| 2022-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Arseniccode 1005 | Yes | Resolved |
| 2021-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Arseniccode 1005 | Yes | 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.
Oak Creek Water District: frequently asked questions
Who runs Oak Creek Water District?
Oak Creek Water District (PWSID AZ0413041) is a community water system privately owned. It is regulated by the AZ state drinking water program.
How many people does Oak Creek Water District serve?
Oak Creek Water District reports serving 1,507 people through 755 service connections in Yavapai County, Arizona.
Where does Oak Creek Water District 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 Oak Creek Water District have any drinking water violations?
Of the 12 most recent violations in EPA's records, 7 are health-based, and the most recent began in June 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 Oak Creek Water District'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, 7 are health-based, and the most recent began in June 2024. For current results, consult the system's annual water quality report, EPA ECHO, or the AZ state drinking water program.
Where can I find Oak Creek Water District's water quality report?
As a community water system, Oak Creek Water District must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.
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, “Oak Creek Water District, PWSID AZ0413041, Arizona”, https://aquacensus.com/water-systems/arizona/oak-creek-water-district-az0413041 (data as of October 1, 2026).