Public water system · CO0233342
ActiveHigh Mountain Institute
At a glance
High Mountain Institute (PWSID CO0233342) is an active transient non-community water system in Lake County, Colorado. It reports serving 84 people through 9 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list one violation for this system; it is not health-based, and the most recent began in March 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
84
Service connections
9
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does High Mountain Institute compare with other water systems in Lake County?
By EPA's size categories, High Mountain Institute is a very small system (500 people or fewer). Lake County has 19 active public water systems. Its population served is well below the county average of 616 people per system, and accounts for 0.7% of the 11,697 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 High Mountain Institute is about 42% below 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 High Mountain Institute?
EPA lists High Mountain Institute 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. 13 of the 19 active systems in Lake County (68%) are also privately owned.
Does High Mountain Institute have drinking water violations?
EPA's records list one violation for this system; it is not health-based, and the most recent began in March 2025. By type: 1 public notice, recordkeeping or other. The contaminant or rule involved is Revised Total Coliform Rule. EPA lists 1 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 |
|---|---|---|---|---|
| 2025-03-27 | Public notice, recordkeeping or otherSample Siting Plan Errors (RTCR) · code 5A | Revised Total Coliform Rulecode 8000 | No | Resolved |
The one violation in EPA's records.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.
High Mountain Institute: frequently asked questions
Who runs High Mountain Institute?
High Mountain Institute (PWSID CO0233342) is a transient non-community water system privately owned. It is regulated by the CO state drinking water program.
How many people does High Mountain Institute serve?
High Mountain Institute reports serving 84 people through 9 service connections in Lake County, Colorado.
Where does High Mountain Institute 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 High Mountain Institute have any drinking water violations?
EPA's records list one violation for this system; it is not health-based, and the most recent began in March 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 High Mountain Institute'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 one violation for this system; it is not health-based, and the most recent began in March 2025. For current results, consult EPA ECHO, or the CO state drinking water program.
Where can I find High Mountain Institute's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. High Mountain Institute 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 Lake County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Parkville Wd | Lake | 7,500 | Community | Surface water |
| Ski Cooper | Lake | 973 | Transient non-community | Groundwater under influence of surface water |
| Climax Climax Mine | Lake | 615 | Non-transient non-community | Surface water |
| White Star Host Site | Lake | 528 | Transient non-community | Groundwater |
| Lake Fork MHP | Lake | 487 | Community | Groundwater |
| Sugar Loafin Rv Campground | Lake | 201 | Transient non-community | Groundwater |
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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, “High Mountain Institute, PWSID CO0233342, Colorado”, https://aquacensus.com/water-systems/colorado/high-mountain-institute-co0233342 (data as of October 1, 2026).