Public water system · AK2392017
ActiveTonglen Lake Lodge
At a glance
Tonglen Lake Lodge (PWSID AK2392017) is an active transient non-community water system in Denali Borough County, Alaska. It reports serving 49 people through 12 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 3 violations for this system; none is health-based, and the most recent began in January 2016.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
49
Service connections
12
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Tonglen Lake Lodge compare with other water systems in Denali Borough County?
By EPA's size categories, Tonglen Lake Lodge is a very small system (500 people or fewer). Denali Borough County has 56 active public water systems. Its population served is well below the county average of 326 people per system, and accounts for 0.3% of the 18,228 people reported by systems filed under the county. Across Alaska, the 1,322 active systems average 653 people each. Nationally, the average active transient non-community water system reports serving 144 people, so Tonglen Lake Lodge is about 66% 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. Alaska has 689 active transient non-community water systems, 52% of the state's 1,322 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 1,054 Alaska systems (80%) list groundwater as their primary source.
Who owns and regulates Tonglen Lake Lodge?
EPA lists Tonglen Lake Lodge as privately owned. The AK state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 47 of the 56 active systems in Denali Borough County (84%) are also privately owned.
Does Tonglen Lake Lodge have drinking water violations?
EPA's records list 3 violations for this system; none is health-based, and the most recent began in January 2016. The violations listed here began between January 2014 and January 2016. By type: 3 monitoring and reporting. The contaminant or rule involved most often is Nitrate (2 of them). EPA lists 3 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 |
|---|---|---|---|---|
| 2016-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2015-07-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2014-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
All 3 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.
Tonglen Lake Lodge: frequently asked questions
Who runs Tonglen Lake Lodge?
Tonglen Lake Lodge (PWSID AK2392017) is a transient non-community water system privately owned. It is regulated by the AK state drinking water program.
How many people does Tonglen Lake Lodge serve?
Tonglen Lake Lodge reports serving 49 people through 12 service connections in Denali Borough County, Alaska.
Where does Tonglen Lake Lodge 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 Tonglen Lake Lodge have any drinking water violations?
EPA's records list 3 violations for this system; none is health-based, and the most recent began in January 2016. 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 Tonglen Lake Lodge'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 3 violations for this system; none is health-based, and the most recent began in January 2016. For current results, consult EPA ECHO, or the AK state drinking water program.
Where can I find Tonglen Lake Lodge's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Tonglen Lake Lodge 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 Denali Borough County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Denali - Main / Front Country | Denali Borough | 4,122 | Non-transient non-community | Surface water |
| Princess Homestead Lodge | Denali Borough | 1,810 | Transient non-community | Groundwater |
| Holland Princess Denali Wilderness Ldg | Denali Borough | 1,392 | Transient non-community | Groundwater |
| Holland America Denali Lodge | Denali Borough | 1,372 | Transient non-community | Groundwater |
| Grande Denali / Denali Bluffs | Denali Borough | 1,000 | Transient non-community | Surface water |
| Northern Lights Well | Denali Borough | 725 | 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, “Tonglen Lake Lodge, PWSID AK2392017, Alaska”, https://aquacensus.com/water-systems/alaska/tonglen-lake-lodge-ak2392017 (data as of October 1, 2026).