Public water system · CO0123666
ActiveRanch at Coulter Creek Hoa
At a glance
Ranch at Coulter Creek Hoa (PWSID CO0123666) is an active community water system in Garfield County, Colorado. It reports serving 27 people through 15 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in January 2026.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
27
Service connections
15
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Ranch at Coulter Creek Hoa compare with other water systems in Garfield County?
By EPA's size categories, Ranch at Coulter Creek Hoa is a very small system (500 people or fewer). Garfield County has 83 active public water systems. Its population served is well below the county average of 728 people per system, and accounts for less than 0.1% of the 60,386 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 Ranch at Coulter Creek Hoa 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 Ranch at Coulter Creek Hoa?
EPA lists Ranch at Coulter Creek Hoa 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. 64 of the 83 active systems in Garfield County (77%) are also privately owned.
Does Ranch at Coulter Creek Hoa have drinking water violations?
Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in January 2026. The violations listed here began between July 2025 and January 2026. By type: 9 monitoring and reporting, 2 public notice, recordkeeping or other and 1 contaminant level above the legal limit. The contaminants or rules involved are Arsenic, Combined Radium (-226 and -228), Combined Uranium and Gross alpha (excluding radon and uranium). EPA lists 11 as resolved and 1 as archived. 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. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2026-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Arseniccode 1005 | Yes | Archived |
| 2025-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Combined Radium (-226 and -228)code 4010 | No | Resolved |
| 2025-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Combined Uraniumcode 4006 | No | Resolved |
| 2025-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Gross alpha (excluding radon and uranium)code 4000 | No | Resolved |
| 2025-07-11 | Public notice, recordkeeping or otherSample Siting Plan Errors (RTCR) · code 5A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2025-07-11 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2025-07-11 | Monitoring and reportingFailure Submit IDSE/Subpart V Plan Rpt · code 35 | Stage 2 Disinfectants and Disinfection Byproducts Rulecode 0600 | No | Resolved |
| 2025-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Aldicarb sulfoxidecode 2043 | No | Resolved |
| 2025-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Endothallcode 2033 | No | Resolved |
| 2025-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Carbofurancode 2046 | No | Resolved |
| 2025-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Vinyl chloridecode 2976 | No | Resolved |
| 2025-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | o-Dichlorobenzenecode 2968 | 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.
Ranch at Coulter Creek Hoa: frequently asked questions
Who runs Ranch at Coulter Creek Hoa?
Ranch at Coulter Creek Hoa (PWSID CO0123666) is a community water system privately owned. It is regulated by the CO state drinking water program.
How many people does Ranch at Coulter Creek Hoa serve?
Ranch at Coulter Creek Hoa reports serving 27 people through 15 service connections in Garfield County, Colorado.
Where does Ranch at Coulter Creek Hoa 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 Ranch at Coulter Creek Hoa have any drinking water violations?
Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in January 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 Ranch at Coulter Creek Hoa'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, one is health-based, and the most recent began in January 2026. For current results, consult the system's annual water quality report, EPA ECHO, or the CO state drinking water program.
Where can I find Ranch at Coulter Creek Hoa's water quality report?
As a community water system, Ranch at Coulter Creek Hoa 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 Garfield County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Rifle City of | Garfield | 9,489 | Community | Surface water |
| Glenwood Springs City of | Garfield | 9,428 | Community | Surface water |
| Carbondale Town of | Garfield | 6,700 | Community | Surface water |
| New Castle Town of | Garfield | 5,024 | Community | Surface water |
| Battlement Mesa Md | Garfield | 4,100 | Community | Surface water |
| Silt Town of | Garfield | 3,536 | 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, “Ranch at Coulter Creek Hoa, PWSID CO0123666, Colorado”, https://aquacensus.com/water-systems/colorado/ranch-at-coulter-creek-hoa-co0123666 (data as of October 1, 2026).