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Non-Transient Non-Community Water System · PWS AZ0404106

Ellison Creek Cabin Owners Association

Cave Creek, Arizona 85331 - drinking water served from groundwater sources to 159 people, tracked in EPA SDWIS and UCMR5.

159
People served
22
EPA violations
0
Health-based
Untested
UCMR5 result

The verdict

EPA records 22 drinking-water violations at Ellison Creek Cabin Owners Association - below the Arizona per-system average.

22
Total EPA violations on record
0%
Health-based (MCL / treatment failure)
159
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Ellison Creek Cabin Owners Association

Ellison Creek Cabin Owners Association is a private-owned non-transient non-community water system that delivers drinking water to 159 residents in Cave Creek, Arizona (Gila County) through 60 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 22 total violations for this system , of which 0 (0%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 9 monitoring and reporting violations are on file. The most recent violation on record dates to 2025.

The most frequently cited contaminant at this system is Revised Total Coliform Rule, recorded in 12 violations (RPT). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

Across Arizona, EPA tracks 1,493 public water systems serving 7,322,166 people, with 228,944 cumulative violations and 15,663 health-based violations on record. About 98% of systems in the state carry at least one violation, and state-wide the average per system is 153.3 violations. Statewide, 145 of 152 UCMR5-tested systems have reported PFAS detections (95.4%).

Ellison Creek Cabin Owners Association's 22 violations sit below the Arizona average.

All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

Population Served
159
Total Violations
22
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Private
Connections
60
County
Gila
School/Daycare
No
MCL Violations
0
Monitoring Violations
9
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Revised Total Coliform Rule RPT 12 2024
Chlorine MR 4 2025
Revised Total Coliform Rule MON 3 2021
Coliform (TCR) MR 2 2013

Verify This Water System

The figures above are aggregated from EPA's public databases. To verify the underlying records, or to file a complaint, request a Consumer Confidence Report, or check current monitoring status, go directly to the federal and state regulators that enforce the Safe Drinking Water Act for Ellison Creek Cabin Owners Association.

Federal Source of Truth

EPA SDWIS, Federal Reports

EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:

View PWS ID AZ0404106 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Arizona Drinking Water Authority

Arizona DEQ, Drinking Water Program is the primacy agency that licenses and inspects Ellison Creek Cabin Owners Association under EPA-delegated authority.

Open AZ regulator portal

Source: Arizona DEQ, Drinking Water Program

Violation Timeline

Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.

Year (latest) Contaminant Category Count EPA Record
2025 Chlorine MR 4 SDWIS / AZ0404106 / 0999
2024 Revised Total Coliform Rule RPT 12 SDWIS / AZ0404106 / 8000
2021 Revised Total Coliform Rule MON 3 SDWIS / AZ0404106 / 8000
2013 Coliform (TCR) MR 2 SDWIS / AZ0404106 / 3100

How Ellison Creek Cabin Owners Association Compares

Cross-reference this system's record against state averages and the federal MCL framework for context.

Metric Ellison Creek Cabin Owners Association Arizona avg Federal benchmark
Total violations 22 153.3 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 0 10.5 Indicates a contaminant exceeded a federal MCL
PFAS detection None 95.4% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 159 4,904 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 1,493 regulated public water systems in Arizona.

Federal MCL reference, Safe Drinking Water Act thresholds ▼
Contaminant Federal MCL / Action Level Note
Lead 0 mg/L (Action Level: 0.015 mg/L) Lead and Copper Rule treatment technique
Arsenic 0.010 mg/L (10 ppb) Health-based MCL since 2006
Total Coliform Treatment technique (RTCR) Indicator organism, monitoring trigger
PFOA / PFOS (PFAS) 4.0 ppt each (final 2024 rule) Compliance deadline 2029 (EPA proposed extending to 2031, not yet final as of May 2026)
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is Ellison Creek Cabin Owners Association water safe to drink? ▼
Ellison Creek Cabin Owners Association (PWS ID: AZ0404106) has 22 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 159 people using Groundwater sources.
How many people does Ellison Creek Cabin Owners Association serve? ▼
Ellison Creek Cabin Owners Association serves 159 people in Cave Creek, Arizona. It is a Private-owned system using Groundwater water sources with 60 service connections.
What type of violations does Ellison Creek Cabin Owners Association have? ▼
Ellison Creek Cabin Owners Association has 22 total violations: 0 health-based violations (MCL exceedances or treatment failures), 9 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Ellison Creek Cabin Owners Association water? ▼
No PFAS testing data is available for Ellison Creek Cabin Owners Association under the EPA's UCMR5 monitoring program.
What water source does Ellison Creek Cabin Owners Association use? ▼
Ellison Creek Cabin Owners Association uses Groundwater as its primary water source. It is classified as a Non-Transient Non-Community Water System, serving the same people for at least 6 months per year.
Where does this data come from? ▼
All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This system's figures are rendered directly from EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.