Public water system · AZ0402060
ActiveAdot San Simon Rest Area
At a glance
Adot San Simon Rest Area (PWSID AZ0402060) is an active transient non-community water system in Cochise County, Arizona. It reports serving 2,500 people through 3 service connections. Its primary water source is groundwater, and EPA lists it as owned by a state government. Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in February 2023.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
2,500
Service connections
3
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Adot San Simon Rest Area compare with other water systems in Cochise County?
By EPA's size categories, Adot San Simon Rest Area is a small system (501 to 3,300 people). Cochise County has 104 active public water systems. Its population served is about twice the county average of 1,253 people per system, and accounts for 1.9% of the 130,277 people reported by systems filed under the county. Across Arizona, the 1,769 active systems average 4,369 people each. Nationally, the average active transient non-community water system reports serving 144 people, so Adot San Simon Rest Area is about 17 times that figure.
What does “transient non-community water system” mean?
A transient non-community water system serves places where people do not stay long, such as gas stations and campgrounds, and regularly serves at least 25 people a day for at least 60 days a year. Arizona has 601 active transient non-community water systems, 34% 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 Adot San Simon Rest Area?
EPA lists Adot San Simon Rest Area as owned by a state 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. 4 of the 104 active systems in Cochise County (3.8%) are also owned by a state government.
Does Adot San Simon Rest Area have drinking water violations?
Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in February 2023. The violations listed here began between April 2014 and February 2023. By type: 5 monitoring and reporting, 4 reporting, 2 contaminant level above the legal limit and 1 monitoring. The contaminant or rule involved most often is Revised Total Coliform Rule (5 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 |
|---|---|---|---|---|
| 2023-02-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2022-10-01 | ReportingReport Sample Result/Fail Monitor (RTCR) · code 4B | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2021-03-01 | ReportingReport Sample Result/Fail Monitor (RTCR) · code 4B | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2021-02-01 | ReportingReport Sample Result/Fail Monitor (RTCR) · code 4B | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2021-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Single Sample · code 01 | Nitratecode 1040 | Yes | Resolved |
| 2019-10-01 | ReportingReport Sample Result/Fail Monitor (RTCR) · code 4B | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2018-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2015-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2014-10-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2014-09-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2014-05-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2014-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | 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.
Adot San Simon Rest Area: frequently asked questions
Who runs Adot San Simon Rest Area?
Adot San Simon Rest Area (PWSID AZ0402060) is a transient non-community water system owned by a state government. It is regulated by the AZ state drinking water program.
How many people does Adot San Simon Rest Area serve?
Adot San Simon Rest Area reports serving 2,500 people through 3 service connections in Cochise County, Arizona.
Where does Adot San Simon Rest Area 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 Adot San Simon Rest Area 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 February 2023. 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 Adot San Simon Rest Area'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 February 2023. For current results, consult EPA ECHO, or the AZ state drinking water program.
Where can I find Adot San Simon Rest Area's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Adot San Simon Rest Area is a 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 Cochise County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Bella Vista City Water System | Cochise | 20,045 | Community | Groundwater |
| Douglas City of | Cochise | 16,656 | Community | Groundwater |
| Us Army Fort Huachuca | Cochise | 15,603 | Community | Groundwater |
| Pueblo Del Sol Water Company | Cochise | 12,804 | Community | Groundwater |
| Arizona Water Co - Sierra Vista | Cochise | 9,175 | Community | Groundwater |
| Arizona Water Co - Bisbee | Cochise | 8,707 | 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, “Adot San Simon Rest Area, PWSID AZ0402060, Arizona”, https://aquacensus.com/water-systems/arizona/adot-san-simon-rest-area-az0402060 (data as of October 1, 2026).