Public water system · AZ0401507
ActiveUsfs Asnf Horse Springs
At a glance
Usfs Asnf Horse Springs (PWSID AZ0401507) is an active transient non-community water system in Apache County, Arizona. It reports serving 60 people through 6 service connections. Its primary water source is groundwater, and EPA lists it as owned by the federal government. EPA's records list 8 violations for this system; none is health-based, and the most recent began in August 2019.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
60
Service connections
6
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Usfs Asnf Horse Springs compare with other water systems in Apache County?
By EPA's size categories, Usfs Asnf Horse Springs is a very small system (500 people or fewer). Apache County has 47 active public water systems. Its population served is well below the county average of 493 people per system, and accounts for 0.3% of the 23,153 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 Usfs Asnf Horse Springs is about 58% below 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 Usfs Asnf Horse Springs?
EPA lists Usfs Asnf Horse Springs as owned by the federal 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. 6 of the 47 active systems in Apache County (13%) are also owned by the federal government.
Does Usfs Asnf Horse Springs have drinking water violations?
EPA's records list 8 violations for this system; none is health-based, and the most recent began in August 2019. The violations listed here began between September 1998 and August 2019. By type: 7 monitoring and reporting and 1 reporting. The contaminant or rule involved most often is Nitrate (5 of them). EPA lists 8 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 |
|---|---|---|---|---|
| 2019-08-01 | ReportingReport Sample Result/Fail Monitor (RTCR) · code 4B | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2013-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2011-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2007-06-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2005-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2001-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 1999-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 1998-09-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
All 8 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.
Usfs Asnf Horse Springs: frequently asked questions
Who runs Usfs Asnf Horse Springs?
Usfs Asnf Horse Springs (PWSID AZ0401507) is a transient non-community water system owned by the federal government. It is regulated by the AZ state drinking water program.
How many people does Usfs Asnf Horse Springs serve?
Usfs Asnf Horse Springs reports serving 60 people through 6 service connections in Apache County, Arizona.
Where does Usfs Asnf Horse Springs 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 Usfs Asnf Horse Springs have any drinking water violations?
EPA's records list 8 violations for this system; none is health-based, and the most recent began in August 2019. 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 Usfs Asnf Horse Springs' 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. EPA's records list 8 violations for this system; none is health-based, and the most recent began in August 2019. For current results, consult EPA ECHO, or the AZ state drinking water program.
Where can I find Usfs Asnf Horse Springs' water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Usfs Asnf Horse Springs 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 Apache County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Eagar Town of | Apache | 4,590 | Community | Groundwater |
| St Johns City of | Apache | 3,500 | Community | Groundwater |
| Springerville Town of | Apache | 1,972 | Community | Groundwater |
| Petrified Forest Np | Apache | 1,742 | Community | Purchased groundwater |
| Cedar Grove Water Company | Apache | 1,564 | Community | Groundwater |
| Lord Az Water 2 - Winchester Trails | Apache | 1,304 | 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, “Usfs Asnf Horse Springs, PWSID AZ0401507, Arizona”, https://aquacensus.com/water-systems/arizona/usfs-asnf-horse-springs-az0401507 (data as of October 1, 2026).