Public water system · CO0130005
ActiveBlue Mountain Wd
At a glance
Blue Mountain Wd (PWSID CO0130005) is an active community water system in Jefferson County, Colorado. It reports serving 350 people through 116 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2021.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
350
Service connections
116
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Blue Mountain Wd compare with other water systems in Jefferson County?
By EPA's size categories, Blue Mountain Wd is a very small system (500 people or fewer). Jefferson County has 112 active public water systems. Its population served is well below the county average of 5,159 people per system, and accounts for less than 0.1% of the 577,783 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 Blue Mountain Wd 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 Blue Mountain Wd?
EPA lists Blue Mountain Wd 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. 39 of the 112 active systems in Jefferson County (35%) are also owned by a local government.
Does Blue Mountain Wd have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2021. The violations listed here began between January 2005 and January 2021. By type: 11 monitoring and reporting and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Chlorine (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 |
|---|---|---|---|---|
| 2021-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Combined Radium (-226 and -228)code 4010 | No | Resolved |
| 2021-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Combined Uraniumcode 4006 | No | Resolved |
| 2021-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Gross alpha (excluding radon and uranium)code 4000 | No | Resolved |
| 2008-04-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2006-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2006-07-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2005-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Bariumcode 1010 | No | Resolved |
| 2005-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Mercurycode 1035 | No | Resolved |
| 2005-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Antimonycode 1074 | No | Resolved |
| 2005-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Fluoridecode 1025 | No | Resolved |
| 2005-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Thalliumcode 1085 | No | Resolved |
| 2005-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Seleniumcode 1045 | 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.
Blue Mountain Wd: frequently asked questions
Who runs Blue Mountain Wd?
Blue Mountain Wd (PWSID CO0130005) is a community water system owned by a local government. It is regulated by the CO state drinking water program.
How many people does Blue Mountain Wd serve?
Blue Mountain Wd reports serving 350 people through 116 service connections in Jefferson County, Colorado.
Where does Blue Mountain Wd 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 Blue Mountain Wd 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 January 2021. 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 Blue Mountain Wd'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 January 2021. For current results, consult the system's annual water quality report, EPA ECHO, or the CO state drinking water program.
Where can I find Blue Mountain Wd's water quality report?
As a community water system, Blue Mountain Wd 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 Jefferson County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Arvada City of | Jefferson | 171,610 | Community | Surface water |
| Consolidated Mutual Maple Grove | Jefferson | 81,400 | Community | Surface water |
| Green Mountain Wsd | Jefferson | 49,400 | Community | Purchased surface water |
| Bancroft Clover Wsd | Jefferson | 44,000 | Community | Purchased surface water |
| Golden City of | Jefferson | 38,288 | Community | Surface water |
| Bear Creek Wsd | Jefferson | 30,000 | 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, “Blue Mountain Wd, PWSID CO0130005, Colorado”, https://aquacensus.com/water-systems/colorado/blue-mountain-wd-co0130005 (data as of October 1, 2026).