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Public water system · CO0253690

Active

Riviere Estates

At a glance

Riviere Estates (PWSID CO0253690) is an active community water system in Rio Grande County, Colorado. It reports serving 211 people through 105 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 April 2025.

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

Population served

211

Service connections

105

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDCO0253690
System typeCommunity water system
Activity statusActive
Population served211
Service connections105
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyCO state drinking water program
City served—
StateColorado
ZIP—
CountyRio Grande County

How does Riviere Estates compare with other water systems in Rio Grande County?

By EPA's size categories, Riviere Estates is a very small system (500 people or fewer). Rio Grande County has 48 active public water systems. Its population served is about 27% below the county average of 289 people per system, and accounts for 1.5% of the 13,885 people reported by systems filed under the county. Across Colorado, the 2,207 active systems average 3,400 people each. Nationally, the average active community water system reports serving 6,703 people, so Riviere Estates 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. Colorado has 1,068 active community water systems, 48% of the state's 2,207 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 1,437 Colorado systems (65%) list groundwater as their primary source.

Who owns and regulates Riviere Estates?

EPA lists Riviere Estates as privately owned. The CO state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 40 of the 48 active systems in Rio Grande County (83%) are also privately owned.

Does Riviere Estates have drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in April 2025. The violations listed here began between August 2018 and April 2025. By type: 8 public notice, recordkeeping or other and 4 monitoring and reporting. The contaminant or rule involved most often is Public Notice (7 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
2025-04-01Monitoring and reportingMonitoring, Regular · code 03Gross alpha (excluding radon and uranium)code 4000NoResolved
2025-04-01Monitoring and reportingMonitoring, Regular · code 03Combined Uraniumcode 4006NoResolved
2025-04-01Monitoring and reportingMonitoring, Regular · code 03Combined Radium (-226 and -228)code 4010NoResolved
2023-06-15Public notice, recordkeeping or otherSample Siting Plan Errors (RTCR) · code 5ARevised Total Coliform Rulecode 8000NoResolved
2022-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
2019-10-08Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoResolved
2019-08-05Public notice, recordkeeping or otherPublic Notification Violation without NPDWR Violation · code 76Public Noticecode 7500NoResolved
2019-07-08Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoResolved
2019-04-08Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoResolved
2019-01-08Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoResolved
2018-10-08Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoResolved
2018-08-05Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoResolved

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.

Riviere Estates: frequently asked questions

Who runs Riviere Estates?

Riviere Estates (PWSID CO0253690) is a community water system privately owned. It is regulated by the CO state drinking water program.

How many people does Riviere Estates serve?

Riviere Estates reports serving 211 people through 105 service connections in Rio Grande County, Colorado.

Where does Riviere Estates 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 Riviere Estates 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 April 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 Riviere Estates' 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 April 2025. For current results, consult the system's annual water quality report, EPA ECHO, or the CO state drinking water program.

Where can I find Riviere Estates' water quality report?

As a community water system, Riviere Estates 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 Rio Grande County

Water systemCountyPopulation servedTypeSource
Monte Vista City ofRio Grande4,600CommunityGroundwater
Fun Valley ResortRio Grande1,723Transient non-communityGroundwater
Del Norte Town ofRio Grande1,429CommunityGroundwater
South Fork Rickel ParkRio Grande804Transient non-communityGroundwater
South Fork West Municipal Town ofRio Grande566CommunityGroundwater
Sargent Elem and New High School Re33Rio Grande426Non-transient 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, “Riviere Estates, PWSID CO0253690, Colorado”, https://aquacensus.com/water-systems/colorado/riviere-estates-co0253690 (data as of October 1, 2026).