Public water system · CO0104533
ActiveNavajo River Ranch Poa
At a glance
Navajo River Ranch Poa (PWSID CO0104533) is an active community water system in Archuleta County, Colorado. It reports serving 40 people through 57 service connections. Its primary water source is groundwater under influence of surface water, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in November 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
40
Service connections
57
Primary source
GU
Groundwater under influence of surface water
System type
CWS
Community water system
System record
How does Navajo River Ranch Poa compare with other water systems in Archuleta County?
By EPA's size categories, Navajo River Ranch Poa is a very small system (500 people or fewer). Archuleta County has 16 active public water systems. Its population served is well below the county average of 991 people per system, and accounts for 0.3% of the 15,857 people reported by systems filed under the county. Across Colorado, the 2,207 active systems average 3,400 people each. Nationally, the average active community water system reports serving 6,703 people, so Navajo River Ranch Poa 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. Colorado has 1,068 active community water systems, 48% of the state's 2,207 active systems. Groundwater under the influence of surface water is well or spring water that the regulator has found to be affected by nearby surface water, so it is regulated under the surface-water treatment rules. 166 Colorado systems (7.5%) list groundwater under influence of surface water as their primary source.
Who owns and regulates Navajo River Ranch Poa?
EPA lists Navajo River Ranch Poa as privately owned. The CO state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 12 of the 16 active systems in Archuleta County (75%) are also privately owned.
Does Navajo River Ranch Poa have drinking water violations?
Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in November 2024. The violations listed here began between January 2020 and November 2024. By type: 10 monitoring and reporting and 2 required treatment not met. The contaminant or rule involved most often is Interim Enhanced Surface Water Treatment Rule (3 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 |
|---|---|---|---|---|
| 2024-11-01 | Required treatment not metSingle Turbidity Exceed (Enhanced SWTR) · code 43 | Interim Enhanced Surface Water Treatment Rulecode 0300 | Yes | Resolved |
| 2023-03-01 | Required treatment not metSingle Turbidity Exceed (Enhanced SWTR) · code 43 | Interim Enhanced Surface Water Treatment Rulecode 0300 | Yes | Resolved |
| 2020-06-01 | Monitoring and reportingMonitoring, Turbidity (Enhanced SWTR) · code 38 | Interim Enhanced Surface Water Treatment Rulecode 0300 | No | Resolved |
| 2020-06-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36 | Surface Water Treatment Rulecode 0200 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | p-Dichlorobenzenecode 2969 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Benzenecode 2990 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Xylenes, Totalcode 2955 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Dichloromethanecode 2964 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,2,4-Trichlorobenzenecode 2378 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Ethylbenzenecode 2992 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | trans-1,2-Dichloroethylenecode 2979 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,2-Dichloroethanecode 2980 | 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.
Navajo River Ranch Poa: frequently asked questions
Who runs Navajo River Ranch Poa?
Navajo River Ranch Poa (PWSID CO0104533) is a community water system privately owned. It is regulated by the CO state drinking water program.
How many people does Navajo River Ranch Poa serve?
Navajo River Ranch Poa reports serving 40 people through 57 service connections in Archuleta County, Colorado.
Where does Navajo River Ranch Poa get its water?
EPA SDWIS lists this system's primary water source as groundwater under influence of surface water. Groundwater under the influence of surface water is well or spring water that the regulator has found to be affected by nearby surface water, so it is regulated under the surface-water treatment rules.
Does Navajo River Ranch Poa 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 November 2024. 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 Navajo River Ranch Poa'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 November 2024. For current results, consult the system's annual water quality report, EPA ECHO, or the CO state drinking water program.
Where can I find Navajo River Ranch Poa's water quality report?
As a community water system, Navajo River Ranch Poa 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 Archuleta County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Pagosa Area Wsd | Archuleta | 11,069 | Community | Surface water |
| Navajo State Park | Archuleta | 2,015 | Transient non-community | Groundwater |
| San Juan River Village Md | Archuleta | 877 | Community | Groundwater under influence of surface water |
| Piedra Park Md | Archuleta | 850 | Community | Groundwater under influence of surface water |
| Aspen Springs Md | Archuleta | 290 | Community | Groundwater |
| Alpine Lakes Ranch Wc | Archuleta | 158 | Community | Purchased 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, “Navajo River Ranch Poa, PWSID CO0104533, Colorado”, https://aquacensus.com/water-systems/colorado/navajo-river-ranch-poa-co0104533 (data as of October 1, 2026).