Public water system · AZ0403275
ActivePinyon Plain Mine
At a glance
Pinyon Plain Mine (PWSID AZ0403275) is an active non-transient non-community water system in Coconino County, Colorado. It reports serving 35 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 4 violations for this system; none is health-based, and the most recent began in February 2026.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
35
Service connections
1
Primary source
GW
Groundwater
System type
NTNCWS
Non-transient non-community water system
System record
How does Pinyon Plain Mine compare with other water systems in Coconino County?
By EPA's size categories, Pinyon Plain Mine is a very small system (500 people or fewer). Coconino County has 1 active public water system, and Pinyon Plain Mine is the largest of them by population served. Its population served is roughly in line with the county average of 35 people per system, and accounts for 100% of the 35 people reported by systems filed under the county. Across Colorado, the 2,207 active systems average 3,400 people each. Nationally, the average active non-transient non-community water system reports serving 430 people, so Pinyon Plain Mine is well below that figure.
What does “non-transient non-community water system” mean?
A non-transient non-community water system regularly serves at least 25 of the same people for more than six months a year, but not where they live. Schools, factories, office buildings and hospitals with their own supply are typical examples. Colorado has 183 active non-transient non-community water systems, 8.3% of the state's 2,207 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 1,437 Colorado systems (65%) list groundwater as their primary source.
Who owns and regulates Pinyon Plain Mine?
EPA lists Pinyon Plain Mine 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. 1 of the 1 active systems in Coconino County (100%) are also privately owned.
Does Pinyon Plain Mine have drinking water violations?
EPA's records list 4 violations for this system; none is health-based, and the most recent began in February 2026. The violations listed here began between November 2024 and February 2026. By type: 3 monitoring and reporting and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Lead and Copper Rule (2 of them). EPA lists 2 as unaddressed and 2 as resolved. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement. 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 |
|---|---|---|---|---|
| 2026-02-04 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Unaddressed |
| 2026-01-01 | Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2025-10-01 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Unaddressed |
| 2024-11-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
All 4 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.
Pinyon Plain Mine: frequently asked questions
Who runs Pinyon Plain Mine?
Pinyon Plain Mine (PWSID AZ0403275) is a non-transient non-community water system privately owned. It is regulated by the AZ state drinking water program.
How many people does Pinyon Plain Mine serve?
Pinyon Plain Mine reports serving 35 people through 1 service connection in Coconino County, Colorado.
Where does Pinyon Plain Mine 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 Pinyon Plain Mine have any drinking water violations?
EPA's records list 4 violations for this system; none is health-based, and the most recent began in February 2026. 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 Pinyon Plain Mine'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. EPA's records list 4 violations for this system; none is health-based, and the most recent began in February 2026. For current results, consult EPA ECHO, or the AZ state drinking water program.
Where can I find Pinyon Plain Mine's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Pinyon Plain Mine is a non-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.
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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, “Pinyon Plain Mine, PWSID AZ0403275, Colorado”, https://aquacensus.com/water-systems/colorado/pinyon-plain-mine-az0403275 (data as of October 1, 2026).