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AquaCensus

Public water system · OR4100798

Active

Seal Rock Water District

At a glance

Seal Rock Water District (PWSID OR4100798) is an active community water system in Lincoln County, Oregon. It reports serving 6,000 people through 2,634 service connections. Its primary water source is surface water, and EPA lists it as owned by a local government. EPA's records list 9 violations for this system; 2 are health-based, and the most recent began in July 2023.

Dataset updated . Source: EPA SDWIS/ECHO public records.

Population served

6,000

Service connections

2,634

Primary source

SW

Surface water

System type

CWS

Community water system

System record

PWSIDOR4100798
System typeCommunity water system
Activity statusActive
Population served6,000
Service connections2,634
Primary water sourceSurface water
Owner typeLocal government
Primacy agencyOR state drinking water program
City served—
StateOregon
ZIP—
CountyLincoln County

How does Seal Rock Water District compare with other water systems in Lincoln County?

By EPA's size categories, Seal Rock Water District is a medium system (3,301 to 10,000 people). Lincoln County has 52 active public water systems, and Seal Rock Water District is the 3rd-largest of them by population served. Its population served is about 5 times the county average of 1,190 people per system, and accounts for 9.7% of the 61,889 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 Seal Rock Water District is about 10% 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 Seal Rock Water District?

EPA lists Seal Rock Water District 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. 17 of the 52 active systems in Lincoln County (33%) are also owned by a local government.

Does Seal Rock Water District have drinking water violations?

EPA's records list 9 violations for this system; 2 are health-based, and the most recent began in July 2023. The violations listed here began between February 1993 and July 2023. By type: 6 monitoring and reporting, 2 contaminant level above the legal limit and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Total coliform bacteria (TCR) (6 of them). EPA lists 9 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.

BeganViolationContaminant or ruleHealth-basedStatus
2023-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved
2022-07-01Monitoring and reportingMonitoring, Regular · code 03Gross alpha (excluding radon and uranium)code 4000NoResolved
2007-10-01Monitoring and reportingMonitoring, Regular · code 03Tetrachloroethylenecode 2987NoResolved
1997-05-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
1995-11-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
1995-08-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
1994-10-01Monitoring and reportingMonitoring, Repeat Minor (TCR) · code 26Total coliform bacteria (TCR)code 3100NoResolved
1994-08-01Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24Total coliform bacteria (TCR)code 3100NoResolved
1993-02-01Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24Total coliform bacteria (TCR)code 3100NoResolved

All 9 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.

Seal Rock Water District: frequently asked questions

Who runs Seal Rock Water District?

Seal Rock Water District (PWSID OR4100798) is a community water system owned by a local government. It is regulated by the OR state drinking water program.

How many people does Seal Rock Water District serve?

Seal Rock Water District reports serving 6,000 people through 2,634 service connections in Lincoln County, Oregon.

Where does Seal Rock 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 Seal Rock Water District have any drinking water violations?

EPA's records list 9 violations for this system; 2 are health-based, and the most recent began in July 2023. 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 Seal Rock 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. EPA's records list 9 violations for this system; 2 are health-based, and the most recent began in July 2023. For current results, consult the system's annual water quality report, EPA ECHO, or the OR state drinking water program.

Where can I find Seal Rock Water District's water quality report?

As a community water system, Seal Rock 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 Lincoln County

Water systemCountyPopulation servedTypeSource
Lincoln City, City ofLincoln20,830CommunitySurface water
Newport, City ofLincoln10,439CommunitySurface water
Kernville-Gleneden-Linc Bch WdLincoln5,609CommunitySurface water
Toledo Water UtilitiesLincoln3,645CommunitySurface water
Sw Lincoln Co Water PUDLincoln3,000CommunitySurface water
Waldport, City ofLincoln2,300CommunitySurface 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, “Seal Rock Water District, PWSID OR4100798, Oregon”, https://aquacensus.com/water-systems/oregon/seal-rock-water-district-or4100798 (data as of October 1, 2026).