Public water system · CO0149613
ActiveWest Ranch Subd
At a glance
West Ranch Subd (PWSID CO0149613) is an active community water system in Pitkin County, Colorado. It reports serving 28 people through 10 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 7 violations for this system; 2 are health-based, and the most recent began in October 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
28
Service connections
10
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does West Ranch Subd compare with other water systems in Pitkin County?
By EPA's size categories, West Ranch Subd is a very small system (500 people or fewer). Pitkin County has 49 active public water systems. Its population served is well below the county average of 1,085 people per system, and accounts for less than 0.1% of the 53,175 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 West Ranch Subd 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 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 West Ranch Subd?
EPA lists West Ranch Subd as owned by a local government. 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. 9 of the 49 active systems in Pitkin County (18%) are also owned by a local government.
Does West Ranch Subd have drinking water violations?
EPA's records list 7 violations for this system; 2 are health-based, and the most recent began in October 2024. The violations listed here began between April 2017 and October 2024. By type: 3 monitoring and reporting, 2 required treatment not met, 1 public notice, recordkeeping or other and 1 monitoring. The contaminant or rule involved most often is Lead and Copper Rule (4 of them). EPA lists 7 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 |
|---|---|---|---|---|
| 2024-10-01 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2022-06-24 | Public notice, recordkeeping or otherSample Siting Plan Errors (RTCR) · code 5A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2020-12-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2020-10-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2020-07-01 | Monitoring and reportingWater Quality Parameter M/R · code 53 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2020-01-05 | Required treatment not metOCCT/SOWT Treatment Installation/Demonstration · code 58 | Lead and Copper Rulecode 5000 | Yes | Resolved |
| 2017-04-01 | Required treatment not metOCCT/SOWT Study/Recommendation · code 57 | Lead and Copper Rulecode 5000 | Yes | Resolved |
All 7 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.
West Ranch Subd: frequently asked questions
Who runs West Ranch Subd?
West Ranch Subd (PWSID CO0149613) is a community water system owned by a local government. It is regulated by the CO state drinking water program.
How many people does West Ranch Subd serve?
West Ranch Subd reports serving 28 people through 10 service connections in Pitkin County, Colorado.
Where does West Ranch Subd 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 West Ranch Subd have any drinking water violations?
EPA's records list 7 violations for this system; 2 are health-based, and the most recent began in October 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 West Ranch Subd'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 7 violations for this system; 2 are health-based, and the most recent began in October 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 West Ranch Subd's water quality report?
As a community water system, West Ranch Subd 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 Pitkin County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Aspen City of | Pitkin | 31,100 | Community | Surface water |
| Snowmass Village Wsd | Pitkin | 6,353 | Community | Surface water |
| Aspen Ski Corp Hi Alpine L9 | Pitkin | 2,900 | Transient non-community | Surface water |
| Aspen Ski Corp Garrett Gulch | Pitkin | 2,630 | Transient non-community | Surface water |
| Aspen Ski Co Sundeck | Pitkin | 1,801 | Transient non-community | Groundwater under influence of surface water |
| Aspen Ski Corp Elk Camp | Pitkin | 1,380 | Transient non-community | 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, “West Ranch Subd, PWSID CO0149613, Colorado”, https://aquacensus.com/water-systems/colorado/west-ranch-subd-co0149613 (data as of October 1, 2026).