Public water system · OR4100463
ActiveLakeside Water District
At a glance
Lakeside Water District (PWSID OR4100463) is an active community water system in Coos County, Oregon. It reports serving 1,800 people through 972 service connections. Its primary water source is surface water, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in August 2021.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
1,800
Service connections
972
Primary source
SW
Surface water
System type
CWS
Community water system
System record
How does Lakeside Water District compare with other water systems in Coos County?
By EPA's size categories, Lakeside Water District is a small system (501 to 3,300 people). Coos County has 45 active public water systems, and Lakeside Water District is the 5th-largest of them by population served. Its population served is about 57% above the county average of 1,143 people per system, and accounts for 3.5% of the 51,436 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 Lakeside Water District 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. Surface water means the system draws its water from rivers, lakes, streams or reservoirs. 211 Oregon systems (8.3%) list surface water as their primary source.
Who owns and regulates Lakeside Water District?
EPA lists Lakeside Water District as privately owned. 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. 30 of the 45 active systems in Coos County (67%) are also privately owned.
Does Lakeside Water District have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in August 2021. The violations listed here began between January 2007 and August 2021. By type: 11 monitoring and reporting and 1 monitoring. The contaminant or rule involved most often is Surface Water Treatment Rule (2 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 |
|---|---|---|---|---|
| 2021-08-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2017-02-01 | Monitoring and reportingMonitoring, Turbidity (Enhanced SWTR) · code 38 | Interim Enhanced Surface Water Treatment Rulecode 0300 | No | Resolved |
| 2017-02-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36 | Surface Water Treatment Rulecode 0200 | No | Resolved |
| 2017-02-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36 | Surface Water Treatment Rulecode 0200 | No | Resolved |
| 2007-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,1,1-Trichloroethanecode 2981 | No | Resolved |
| 2007-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Toluenecode 2991 | No | Resolved |
| 2007-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,1,2-Trichloroethanecode 2985 | No | Resolved |
| 2007-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Chlorobenzenecode 2989 | No | Resolved |
| 2007-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | p-Dichlorobenzenecode 2969 | No | Resolved |
| 2007-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | o-Dichlorobenzenecode 2968 | No | Resolved |
| 2007-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Benzenecode 2990 | No | Resolved |
| 2007-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Arseniccode 1005 | 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.
Lakeside Water District: frequently asked questions
Who runs Lakeside Water District?
Lakeside Water District (PWSID OR4100463) is a community water system privately owned. It is regulated by the OR state drinking water program.
How many people does Lakeside Water District serve?
Lakeside Water District reports serving 1,800 people through 972 service connections in Coos County, Oregon.
Where does Lakeside Water District get its water?
EPA SDWIS lists this system's primary water source as surface water. Surface water means the system draws its water from rivers, lakes, streams or reservoirs.
Does Lakeside Water District have any drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in August 2021. 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 Lakeside Water District'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, none is health-based, and the most recent began in August 2021. For current results, consult the system's annual water quality report, EPA ECHO, or the OR state drinking water program.
Where can I find Lakeside Water District's water quality report?
As a community water system, Lakeside Water District 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 Coos County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Coos Bay North Bend Wtr Brd | Coos | 34,500 | Community | Surface water |
| Coquille, City of | Coos | 3,953 | Community | Surface water |
| Bandon, City of | Coos | 3,000 | Community | Surface water |
| Myrtle Point, City of | Coos | 2,656 | Community | Surface water |
| Oprd Bullards Beach State Pk | Coos | 1,400 | Transient non-community | Groundwater |
| Powers, City of | Coos | 712 | 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, “Lakeside Water District, PWSID OR4100463, Oregon”, https://aquacensus.com/water-systems/oregon/lakeside-water-district-or4100463 (data as of October 1, 2026).