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AquaCensus

Public water system · OR4101361

Active

Rainbow Rock Service Association

At a glance

Rainbow Rock Service Association (PWSID OR4101361) is an active community water system in Curry County, Oregon. It reports serving 80 people through 60 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, one is health-based, and the most recent began in March 2011.

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

Population served

80

Service connections

60

Primary source

SW

Surface water

System type

CWS

Community water system

System record

PWSIDOR4101361
System typeCommunity water system
Activity statusActive
Population served80
Service connections60
Primary water sourceSurface water
Owner typePrivate
Primacy agencyOR state drinking water program
City served—
StateOregon
ZIP—
CountyCurry County

How does Rainbow Rock Service Association compare with other water systems in Curry County?

By EPA's size categories, Rainbow Rock Service Association is a very small system (500 people or fewer). Curry County has 36 active public water systems. Its population served is well below the county average of 525 people per system, and accounts for 0.4% of the 18,894 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 Rainbow Rock Service Association 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 Rainbow Rock Service Association?

EPA lists Rainbow Rock Service Association 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. 19 of the 36 active systems in Curry County (53%) are also privately owned.

Does Rainbow Rock Service Association have drinking water violations?

Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in March 2011. The violations listed here began between January 1996 and March 2011. By type: 11 monitoring and reporting and 1 required treatment not met. The contaminant or rule involved most often is Surface Water Treatment Rule (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.

BeganViolationContaminant or ruleHealth-basedStatus
2011-03-01Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36Surface Water Treatment Rulecode 0200NoResolved
2011-03-01Monitoring and reportingMonitoring, Turbidity (Enhanced SWTR) · code 38Interim Enhanced Surface Water Treatment Rulecode 0300NoResolved
2005-07-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2004-12-01Required treatment not metTreatment Technique (SWTR and GWR) · code 41Surface Water Treatment Rulecode 0200YesResolved
2002-07-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2002-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
2000-06-01Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36Surface Water Treatment Rulecode 0200NoResolved
1999-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
1997-10-01Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24Total coliform bacteria (TCR)code 3100NoResolved
1997-09-01Monitoring and reportingMonitoring, Repeat Major (TCR) · code 25Total coliform bacteria (TCR)code 3100NoResolved
1997-07-01Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36Surface Water Treatment Rulecode 0200NoResolved
1996-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved

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.

Rainbow Rock Service Association: frequently asked questions

Who runs Rainbow Rock Service Association?

Rainbow Rock Service Association (PWSID OR4101361) is a community water system privately owned. It is regulated by the OR state drinking water program.

How many people does Rainbow Rock Service Association serve?

Rainbow Rock Service Association reports serving 80 people through 60 service connections in Curry County, Oregon.

Where does Rainbow Rock Service Association 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 Rainbow Rock Service Association 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 March 2011. 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 Rainbow Rock Service Association'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 March 2011. For current results, consult the system's annual water quality report, EPA ECHO, or the OR state drinking water program.

Where can I find Rainbow Rock Service Association's water quality report?

As a community water system, Rainbow Rock Service Association 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 Curry County

Water systemCountyPopulation servedTypeSource
Brookings, City ofCurry7,120CommunityGroundwater
Harbor Water PUDCurry3,150CommunityGroundwater
Gold Beach, City ofCurry3,000CommunityGroundwater under influence of surface water
Nesika Beach-Ophir WdCurry1,500CommunityGroundwater
Port Orford, City ofCurry1,200CommunitySurface water
Oprd Cape Blanco State ParkCurry248Transient non-communityGroundwater

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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, “Rainbow Rock Service Association, PWSID OR4101361, Oregon”, https://aquacensus.com/water-systems/oregon/rainbow-rock-service-association-or4101361 (data as of October 1, 2026).