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AquaCensus

Public water system · OR4101104

Active

Riviera Mobile Park

At a glance

Riviera Mobile Park (PWSID OR4101104) is an active community water system in Josephine County, Oregon. It reports serving 150 people through 103 service connections. Its primary water source is groundwater, 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 July 2024.

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

Population served

150

Service connections

103

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDOR4101104
System typeCommunity water system
Activity statusActive
Population served150
Service connections103
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyOR state drinking water program
City served—
StateOregon
ZIP—
CountyJosephine County

How does Riviera Mobile Park compare with other water systems in Josephine County?

By EPA's size categories, Riviera Mobile Park is a very small system (500 people or fewer). Josephine County has 150 active public water systems. Its population served is about 63% below the county average of 403 people per system, and accounts for 0.2% of the 60,442 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 Riviera Mobile Park 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 Riviera Mobile Park?

EPA lists Riviera Mobile Park 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. 108 of the 150 active systems in Josephine County (72%) are also privately owned.

Does Riviera Mobile Park have drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in July 2024. The violations listed here began between January 2005 and July 2024. By type: 9 monitoring and reporting, 2 public notice, recordkeeping or other and 1 monitoring. The contaminant or rule involved most often is Nitrate (4 of them). EPA lists 11 as resolved and 1 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.

BeganViolationContaminant or ruleHealth-basedStatus
2024-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved
2024-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
2024-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
2023-09-03Monitoring and reportingMonitoring, Source Water (GWR) · code 34E. colicode 3014NoResolved
2023-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved
2016-09-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2015-07-31Monitoring and reportingMonitoring, Source Water (GWR) · code 34E. colicode 3014NoUnaddressed
2015-05-01Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24Total coliform bacteria (TCR)code 3100NoResolved
2009-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
2006-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
2005-01-01Monitoring and reportingMonitoring, Regular · code 03Diquatcode 2032NoResolved
2005-01-01Monitoring and reportingMonitoring, Regular · code 03Picloramcode 2040NoResolved

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.

Riviera Mobile Park: frequently asked questions

Who runs Riviera Mobile Park?

Riviera Mobile Park (PWSID OR4101104) is a community water system privately owned. It is regulated by the OR state drinking water program.

How many people does Riviera Mobile Park serve?

Riviera Mobile Park reports serving 150 people through 103 service connections in Josephine County, Oregon.

Where does Riviera Mobile Park 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 Riviera Mobile Park 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 July 2024. 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 Riviera Mobile Park'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 July 2024. For current results, consult the system's annual water quality report, EPA ECHO, or the OR state drinking water program.

Where can I find Riviera Mobile Park's water quality report?

As a community water system, Riviera Mobile Park 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 Josephine County

Water systemCountyPopulation servedTypeSource
Grants Pass, City ofJosephine37,138CommunitySurface water
Rogue Community CollegeJosephine2,400Non-transient non-communityPurchased surface water
Cave Junction, City ofJosephine2,160CommunitySurface water
Ote Manzanita Rest AreaJosephine1,200Transient non-communityGroundwater
Hidden Valley HighJosephine546Non-transient non-communityGroundwater
Lil Pantry Xpress MerlinJosephine512Transient 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, “Riviera Mobile Park, PWSID OR4101104, Oregon”, https://aquacensus.com/water-systems/oregon/riviera-mobile-park-or4101104 (data as of October 1, 2026).