Public water system · AZ0404036
ActiveTonto Basin Water Roosevelt Lake Estates
At a glance
Tonto Basin Water Roosevelt Lake Estates (PWSID AZ0404036) is an active community water system in Gila County, Arizona. It reports serving 508 people through 218 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, none is health-based, and the most recent began in July 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
508
Service connections
218
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Tonto Basin Water Roosevelt Lake Estates compare with other water systems in Gila County?
By EPA's size categories, Tonto Basin Water Roosevelt Lake Estates is a small system (501 to 3,300 people). Gila County has 101 active public water systems. Its population served is about 17% below the county average of 615 people per system, and accounts for 0.8% of the 62,067 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 Tonto Basin Water Roosevelt Lake Estates 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 Tonto Basin Water Roosevelt Lake Estates?
EPA lists Tonto Basin Water Roosevelt Lake Estates 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. 51 of the 101 active systems in Gila County (50%) are also privately owned.
Does Tonto Basin Water Roosevelt Lake Estates have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in July 2025. The violations listed here began between July 2008 and July 2025. By type: 6 public notice, recordkeeping or other and 6 monitoring and reporting. The contaminant or rule involved most often is Consumer Confidence Rule (6 of them). EPA lists 10 as resolved and 2 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 |
|---|---|---|---|---|
| 2025-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2025-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Archived |
| 2025-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Archived |
| 2016-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2015-01-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2012-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2011-10-01 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2011-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2009-09-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2009-07-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2009-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2008-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | 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.
Tonto Basin Water Roosevelt Lake Estates: frequently asked questions
Who runs Tonto Basin Water Roosevelt Lake Estates?
Tonto Basin Water Roosevelt Lake Estates (PWSID AZ0404036) is a community water system privately owned. It is regulated by the AZ state drinking water program.
How many people does Tonto Basin Water Roosevelt Lake Estates serve?
Tonto Basin Water Roosevelt Lake Estates reports serving 508 people through 218 service connections in Gila County, Arizona.
Where does Tonto Basin Water Roosevelt Lake Estates 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 Tonto Basin Water Roosevelt Lake Estates 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 July 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 Tonto Basin Water Roosevelt Lake Estates' 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 July 2025. For current results, consult the system's annual water quality report, EPA ECHO, or the AZ state drinking water program.
Where can I find Tonto Basin Water Roosevelt Lake Estates' water quality report?
As a community water system, Tonto Basin Water Roosevelt Lake Estates 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 Gila County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Payson Town of | Gila | 17,682 | Community | Groundwater |
| Arizona Water Co - Miami Claypool | Gila | 8,656 | Community | Groundwater |
| Pine Strawberry Wid | Gila | 8,013 | Community | Groundwater |
| Globe City of | Gila | 7,536 | Community | Groundwater |
| Tonto Basin Water - Lr Gardens West | Gila | 1,172 | Community | Groundwater |
| Town of Star Valley Water Department | Gila | 1,157 | 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, “Tonto Basin Water Roosevelt Lake Estates, PWSID AZ0404036, Arizona”, https://aquacensus.com/water-systems/arizona/tonto-basin-water-roosevelt-lake-estates-az0404036 (data as of October 1, 2026).