Public water system · CO0123836
ActiveWestbank Mesa Hoa
At a glance
Westbank Mesa Hoa (PWSID CO0123836) is an active community water system in Garfield County, Colorado. It reports serving 93 people through 55 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, none is health-based, and the most recent began in July 2009.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
93
Service connections
55
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Westbank Mesa Hoa compare with other water systems in Garfield County?
By EPA's size categories, Westbank Mesa 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 0.2% 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 Westbank Mesa 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 Westbank Mesa Hoa?
EPA lists Westbank Mesa 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 Westbank Mesa Hoa have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in July 2009. The violations listed here began between October 2004 and July 2009. By type: 10 monitoring and reporting and 2 public notice, recordkeeping or other. The contaminant or rule involved most often is Consumer Confidence Rule (2 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 |
|---|---|---|---|---|
| 2009-07-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2009-07-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2007-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2006-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2004-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Thalliumcode 1085 | No | Resolved |
| 2004-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Seleniumcode 1045 | No | Resolved |
| 2004-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Arseniccode 1005 | No | Resolved |
| 2004-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Chromiumcode 1020 | No | Resolved |
| 2004-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Mercurycode 1035 | No | Resolved |
| 2004-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nickelcode 1036 | No | Resolved |
| 2004-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Berylliumcode 1075 | No | Resolved |
| 2004-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Antimonycode 1074 | 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.
Westbank Mesa Hoa: frequently asked questions
Who runs Westbank Mesa Hoa?
Westbank Mesa Hoa (PWSID CO0123836) is a community water system privately owned. It is regulated by the CO state drinking water program.
How many people does Westbank Mesa Hoa serve?
Westbank Mesa Hoa reports serving 93 people through 55 service connections in Garfield County, Colorado.
Where does Westbank Mesa 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 Westbank Mesa Hoa have any drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in July 2009. 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 Westbank Mesa 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, none is health-based, and the most recent began in July 2009. For current results, consult the system's annual water quality report, EPA ECHO, or the CO state drinking water program.
Where can I find Westbank Mesa Hoa's water quality report?
As a community water system, Westbank Mesa 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, “Westbank Mesa Hoa, PWSID CO0123836, Colorado”, https://aquacensus.com/water-systems/colorado/westbank-mesa-hoa-co0123836 (data as of October 1, 2026).