Public water system · OR4192514
ActiveUsfs East Davis Lake Cg
At a glance
Usfs East Davis Lake Cg (PWSID OR4192514) is an active transient non-community water system in Klamath County, Oregon. It reports serving 76 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as owned by the federal government. Of the 12 most recent violations in EPA's records, 3 are health-based, and the most recent began in January 2020.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
76
Service connections
1
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Usfs East Davis Lake Cg compare with other water systems in Klamath County?
By EPA's size categories, Usfs East Davis Lake Cg is a very small system (500 people or fewer). Klamath County has 106 active public water systems. Its population served is well below the county average of 549 people per system, and accounts for 0.1% of the 58,234 people reported by systems filed under the county. Across Oregon, the 2,536 active systems average 1,587 people each. Nationally, the average active transient non-community water system reports serving 144 people, so Usfs East Davis Lake Cg is about half of 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. Oregon has 1,250 active transient non-community water systems, 49% of the state's 2,536 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 2,175 Oregon systems (86%) list groundwater as their primary source.
Who owns and regulates Usfs East Davis Lake Cg?
EPA lists Usfs East Davis Lake Cg as owned by the federal government. The OR 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 106 active systems in Klamath County (12%) are also owned by the federal government.
Does Usfs East Davis Lake Cg have drinking water violations?
Of the 12 most recent violations in EPA's records, 3 are health-based, and the most recent began in January 2020. The violations listed here began between September 2010 and January 2020. By type: 5 monitoring and reporting, 3 contaminant level above the legal limit, 2 monitoring and 2 public notice, recordkeeping or other. The contaminant or rule involved most often is Total coliform bacteria (TCR) (4 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 |
|---|---|---|---|---|
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2018-10-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2016-10-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2016-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2014-09-26 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2014-08-08 | Monitoring and reportingMonitoring, Source Water (GWR) · code 34 | E. colicode 3014 | No | Resolved |
| 2014-08-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2014-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2014-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Acute (TCR) · code 21 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2010-12-19 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2010-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2010-09-01 | Monitoring and reportingMonitoring, Source Water (GWR) · code 34 | E. colicode 3014 | 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.
Usfs East Davis Lake Cg: frequently asked questions
Who runs Usfs East Davis Lake Cg?
Usfs East Davis Lake Cg (PWSID OR4192514) is a transient non-community water system owned by the federal government. It is regulated by the OR state drinking water program.
How many people does Usfs East Davis Lake Cg serve?
Usfs East Davis Lake Cg reports serving 76 people through 1 service connection in Klamath County, Oregon.
Where does Usfs East Davis 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 Usfs East Davis Lake Cg have any drinking water violations?
Of the 12 most recent violations in EPA's records, 3 are health-based, and the most recent began in January 2020. 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 Usfs East Davis 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. Of the 12 most recent violations in EPA's records, 3 are health-based, and the most recent began in January 2020. For current results, consult EPA ECHO, or the OR state drinking water program.
Where can I find Usfs East Davis Lake Cg's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Usfs East Davis 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 Klamath County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Klamath Falls Water Dept | Klamath | 40,475 | Community | Groundwater |
| Odot Hd Midland Info Ctr Ra | Klamath | 1,000 | Transient non-community | Groundwater |
| Merrill Water Department | Klamath | 907 | Community | Groundwater |
| Crescent Wtr Supply & Impr Dist | Klamath | 900 | Community | Groundwater |
| Malin Municipal Water | Klamath | 815 | Community | Groundwater |
| Oregon Water Utilities - Mountain Lakes | Klamath | 770 | 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, “Usfs East Davis Lake Cg, PWSID OR4192514, Oregon”, https://aquacensus.com/water-systems/oregon/usfs-east-davis-lake-cg-or4192514 (data as of October 1, 2026).