Public water system · CO0143233
ActiveEarles Subdivision Wc
At a glance
Earles Subdivision Wc (PWSID CO0143233) is an active community water system in Montrose County, Colorado. It reports serving 40 people through 12 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 9 violations for this system; none is health-based, and the most recent began in September 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
40
Service connections
12
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Earles Subdivision Wc compare with other water systems in Montrose County?
By EPA's size categories, Earles Subdivision Wc is a very small system (500 people or fewer). Montrose County has 25 active public water systems. Its population served is well below the county average of 2,250 people per system, and accounts for less than 0.1% of the 56,238 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 Earles Subdivision Wc 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 Earles Subdivision Wc?
EPA lists Earles Subdivision Wc 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. 15 of the 25 active systems in Montrose County (60%) are also privately owned.
Does Earles Subdivision Wc have drinking water violations?
EPA's records list 9 violations for this system; none is health-based, and the most recent began in September 2025. The violations listed here began between January 1992 and September 2025. By type: 6 monitoring and reporting, 2 public notice, recordkeeping or other and 1 reporting. The contaminant or rule involved most often is Chlorine (2 of them). EPA lists 9 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 |
|---|---|---|---|---|
| 2025-09-01 | ReportingReport Sample Result/Fail Monitor (RTCR) · code 4B | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2025-07-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2018-01-01 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2017-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2007-07-01 | 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 |
| 1995-10-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1993-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 1992-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Gross alpha (excluding radon and uranium)code 4000 | No | Resolved |
All 9 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.
Earles Subdivision Wc: frequently asked questions
Who runs Earles Subdivision Wc?
Earles Subdivision Wc (PWSID CO0143233) is a community water system privately owned. It is regulated by the CO state drinking water program.
How many people does Earles Subdivision Wc serve?
Earles Subdivision Wc reports serving 40 people through 12 service connections in Montrose County, Colorado.
Where does Earles Subdivision Wc 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 Earles Subdivision Wc have any drinking water violations?
EPA's records list 9 violations for this system; none is health-based, and the most recent began in September 2025. 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 Earles Subdivision Wc'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 9 violations for this system; none is health-based, and the most recent began in September 2025. For current results, consult the system's annual water quality report, EPA ECHO, or the CO state drinking water program.
Where can I find Earles Subdivision Wc's water quality report?
As a community water system, Earles Subdivision Wc 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 Montrose County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Tri County Wcd | Montrose | 20,490 | Community | Purchased surface water |
| Montrose City of | Montrose | 19,305 | Community | Purchased surface water |
| Menoken Wd | Montrose | 4,500 | Community | Purchased surface water |
| Chipeta Wd | Montrose | 3,802 | Community | Purchased surface water |
| Olathe Town of | Montrose | 3,015 | Community | Purchased surface water |
| Northbrook Villas Mhc | Montrose | 1,052 | 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, “Earles Subdivision Wc, PWSID CO0143233, Colorado”, https://aquacensus.com/water-systems/colorado/earles-subdivision-wc-co0143233 (data as of October 1, 2026).