Public water system · CO0310185
ActiveEcho Lake Cg
At a glance
Echo Lake Cg (PWSID CO0310185) is an active transient non-community water system in Clear Creek County, Colorado. It reports serving 144 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as owned by the federal government. EPA's records list 4 violations for this system; none is health-based, and the most recent began in June 2018.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
144
Service connections
1
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Echo Lake Cg compare with other water systems in Clear Creek County?
By EPA's size categories, Echo Lake Cg is a very small system (500 people or fewer). Clear Creek County has 32 active public water systems. Its population served is well below the county average of 899 people per system, and accounts for 0.5% of the 28,778 people reported by systems filed under the county. Across Colorado, the 2,207 active systems average 3,400 people each. Nationally, the average active transient non-community water system reports serving 144 people, so Echo Lake Cg is roughly in line with that figure.
What does “transient non-community water system” mean?
A transient non-community water system serves places where people do not stay long, such as gas stations and campgrounds, and regularly serves at least 25 people a day for at least 60 days a year. Colorado has 956 active transient non-community water systems, 43% 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 Echo Lake Cg?
EPA lists Echo Lake Cg as owned by the federal 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. 4 of the 32 active systems in Clear Creek County (13%) are also owned by the federal government.
Does Echo Lake Cg have drinking water violations?
EPA's records list 4 violations for this system; none is health-based, and the most recent began in June 2018. The violations listed here began between August 1991 and June 2018. By type: 3 monitoring and reporting and 1 monitoring. The contaminant or rule involved most often is Total coliform bacteria (TCR) (3 of them). EPA lists 3 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 |
|---|---|---|---|---|
| 2018-06-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2014-09-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2011-08-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1991-08-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Archived |
All 4 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.
Echo Lake Cg: frequently asked questions
Who runs Echo Lake Cg?
Echo Lake Cg (PWSID CO0310185) is a transient non-community water system owned by the federal government. It is regulated by the CO state drinking water program.
How many people does Echo Lake Cg serve?
Echo Lake Cg reports serving 144 people through 1 service connection in Clear Creek County, Colorado.
Where does Echo Lake Cg 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 Echo Lake Cg have any drinking water violations?
EPA's records list 4 violations for this system; none is health-based, and the most recent began in June 2018. 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 Echo Lake Cg'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 4 violations for this system; none is health-based, and the most recent began in June 2018. For current results, consult EPA ECHO, or the CO state drinking water program.
Where can I find Echo Lake Cg's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Echo Lake Cg is a transient non-community water system, so it is not required to publish one; like every public water system, it must notify the people it serves about violations under EPA's public notification rules.
Other water systems in Clear Creek County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Idaho Springs City of | Clear Creek | 10,432 | Community | Surface water |
| Georgetown Town of | Clear Creek | 5,315 | Community | Surface water |
| Mighty Argo Metropolitan District #2 | Clear Creek | 2,000 | Transient non-community | Purchased surface water |
| Vail Mountain Coffee and Tea | Clear Creek | 1,528 | Transient non-community | Groundwater |
| Echo Lake Lodge | Clear Creek | 1,510 | Transient non-community | Groundwater |
| Lookout Mountain Wd | Clear Creek | 1,378 | 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, “Echo Lake Cg, PWSID CO0310185, Colorado”, https://aquacensus.com/water-systems/colorado/echo-lake-cg-co0310185 (data as of October 1, 2026).