Public water system · AZ0407016

Active

Cave Creek Water

At a glance

Cave Creek Water (PWSID AZ0407016) is an active community water system in Maricopa County, Arizona. It reports serving 5,895 people through 2,555 service connections. Its primary water source is surface water, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, 4 are health-based, and the most recent began in January 2020.

Dataset updated October 2026 . Source: EPA SDWIS/ECHO public records.

Population served

5,895

Service connections

2,555

Primary source

Surface water

System type

CWS

Community water system

System record

PWSIDAZ0407016

System typeCommunity water system

Activity statusActive

Population served5,895

Service connections2,555

Primary water sourceSurface water

Owner typePrivate

Primacy agencyAZ state drinking water program

City servedCave Creek

StateArizona

ZIP—

CountyMaricopa County

How does Cave Creek Water compare with other water systems in Maricopa County?

By EPA's size categories, Cave Creek Water is a medium system (3,301 to 10,000 people). Maricopa County has 217 active public water systems. Its population served is well below the county average of 20,368 people per system, and accounts for 0.1% of the 4,419,761 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 Cave Creek Water is about 12% 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. Surface water means the system draws its water from rivers, lakes, streams or reservoirs. 61 Arizona systems (3.4%) list surface water as their primary source.

Who owns and regulates Cave Creek Water?

EPA lists Cave Creek Water 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. 89 of the 217 active systems in Maricopa County (41%) are also privately owned.

Does Cave Creek Water have drinking water violations?

Of the 12 most recent violations in EPA's records, 4 are health-based, and the most recent began in January 2020. The violations listed here began between September 2018 and January 2020. By type: 7 monitoring and reporting, 4 required treatment not met and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Carbon, total (5 of them). EPA lists 11 as resolved and 1 as archived. 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. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status.

Began	Violation	Contaminant or rule	Health-based	Status
2020-01-01	Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36	Surface Water Treatment Rulecode 0200	No	Resolved
2020-01-01	Monitoring and reportingMonitoring, Turbidity (Enhanced SWTR) · code 38	Interim Enhanced Surface Water Treatment Rulecode 0300	No	Resolved
2019-07-01	Monitoring and reportingMonitoring and Reporting (DBP) · code 27	Carbon, totalcode 2920	No	Archived
2019-07-01	Required treatment not metTreatment Technique Precursor Removal · code 46	Carbon, totalcode 2920	Yes	Resolved
2019-05-01	Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75	Public Noticecode 7500	No	Resolved
2019-04-01	Required treatment not metTreatment Technique Precursor Removal · code 46	Carbon, totalcode 2920	Yes	Resolved
2019-01-01	Required treatment not metTreatment Technique Precursor Removal · code 46	Carbon, totalcode 2920	Yes	Resolved
2018-10-01	Monitoring and reportingMonitoring, Turbidity (Enhanced SWTR) · code 38	Interim Enhanced Surface Water Treatment Rulecode 0300	No	Resolved
2018-10-01	Required treatment not metTreatment Technique Precursor Removal · code 46	Carbon, totalcode 2920	Yes	Resolved
2018-10-01	Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36	Surface Water Treatment Rulecode 0200	No	Resolved
2018-09-16	Monitoring and reportingMonitoring, Source Water (LT2) · code 32	E. colicode 3014	No	Resolved
2018-09-01	Monitoring and reportingMonitoring and Reporting (DBP) · code 27	Total trihalomethanes (TTHM)code 2950	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.

Cave Creek Water: frequently asked questions

Who runs Cave Creek Water?

Cave Creek Water (PWSID AZ0407016) is a community water system privately owned. It is regulated by the AZ state drinking water program.

How many people does Cave Creek Water serve?

Cave Creek Water reports serving 5,895 people through 2,555 service connections in Maricopa County, Arizona.

Where does Cave Creek Water get its water?

EPA SDWIS lists this system's primary water source as surface water. Surface water means the system draws its water from rivers, lakes, streams or reservoirs.

Does Cave Creek Water have any drinking water violations?

Of the 12 most recent violations in EPA's records, 4 are health-based, and the most recent began in January 2020. 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 Cave Creek Water'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, 4 are health-based, and the most recent began in January 2020. For current results, consult the system's annual water quality report, EPA ECHO, or the AZ state drinking water program.

Where can I find Cave Creek Water's water quality report?

As a community water system, Cave Creek Water 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 Maricopa County

Water system	County	Population served	Type	Source
Phoenix City of	Maricopa	1,695,000	Community	Surface water
Mesa City of	Maricopa	466,000	Community	Surface water
Gilbert, Town of	Maricopa	247,600	Community	Surface water
Chandler City of	Maricopa	247,328	Community	Surface water
Scottsdale City of	Maricopa	241,361	Community	Surface water
Glendale City of	Maricopa	234,766	Community	Surface water

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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, “Cave Creek Water, PWSID AZ0407016, Arizona”, https://aquacensus.com/water-systems/arizona/cave-creek-water-az0407016 (data as of October 1, 2026).