Public water system · OR4100437
ActivePine Grove Water Dist (Klamath)
At a glance
Pine Grove Water Dist (Klamath) (PWSID OR4100437) is an active community water system in Klamath County, Oregon. It reports serving 180 people through 74 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, one is health-based, and the most recent began in October 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
180
Service connections
74
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Pine Grove Water Dist (Klamath) compare with other water systems in Klamath County?
By EPA's size categories, Pine Grove Water Dist (Klamath) 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 0.3% 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 community water system reports serving 6,703 people, so Pine Grove Water Dist (Klamath) 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. Oregon has 940 active community water systems, 37% 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 Pine Grove Water Dist (Klamath)?
EPA lists Pine Grove Water Dist (Klamath) as owned by a local 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. 16 of the 106 active systems in Klamath County (15%) are also owned by a local government.
Does Pine Grove Water Dist (Klamath) have drinking water violations?
Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in October 2025. The violations listed here began between October 2004 and October 2025. By type: 6 public notice, recordkeeping or other, 3 monitoring and reporting, 2 monitoring and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Consumer Confidence Rule (5 of them). EPA lists 10 as resolved and 2 as unaddressed. 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. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2025-10-01 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | No | Unaddressed |
| 2025-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Unaddressed |
| 2025-01-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2024-10-01 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2024-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2018-12-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2010-11-20 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2010-09-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2006-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2005-07-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2005-06-01 | Monitoring and reportingMonitoring, Repeat Major (TCR) · code 25 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2004-10-19 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | 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.
Pine Grove Water Dist (Klamath): frequently asked questions
Who runs Pine Grove Water Dist (Klamath)?
Pine Grove Water Dist (Klamath) (PWSID OR4100437) is a community water system owned by a local government. It is regulated by the OR state drinking water program.
How many people does Pine Grove Water Dist (Klamath) serve?
Pine Grove Water Dist (Klamath) reports serving 180 people through 74 service connections in Klamath County, Oregon.
Where does Pine Grove Water Dist (Klamath) 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 Pine Grove Water Dist (Klamath) have any drinking water violations?
Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in October 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 Pine Grove Water Dist (Klamath)'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, one is health-based, and the most recent began in October 2025. For current results, consult the system's annual water quality report, EPA ECHO, or the OR state drinking water program.
Where can I find Pine Grove Water Dist (Klamath)'s water quality report?
As a community water system, Pine Grove Water Dist (Klamath) 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 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, “Pine Grove Water Dist (Klamath), PWSID OR4100437, Oregon”, https://aquacensus.com/water-systems/oregon/pine-grove-water-dist-klamath-or4100437 (data as of October 1, 2026).