Public water system · MO5036314
ActiveRiviera South Water Corp
At a glance
Riviera South Water Corp (PWSID MO5036314) is an active community water system in Hickory County, Missouri. It reports serving 90 people through 101 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 January 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
90
Service connections
101
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Riviera South Water Corp compare with other water systems in Hickory County?
By EPA's size categories, Riviera South Water Corp is a very small system (500 people or fewer). Hickory County has 44 active public water systems. Its population served is about half of the county average of 172 people per system, and accounts for 1.2% of the 7,558 people reported by systems filed under the county. Across Missouri, the 2,943 active systems average 2,049 people each. Nationally, the average active community water system reports serving 6,703 people, so Riviera South Water Corp 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. Missouri has 1,612 active community water systems, 55% of the state's 2,943 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 2,521 Missouri systems (86%) list groundwater as their primary source.
Who owns and regulates Riviera South Water Corp?
EPA lists Riviera South Water Corp as privately owned. The MO state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 31 of the 44 active systems in Hickory County (70%) are also privately owned.
Does Riviera South Water Corp have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2025. The violations listed here began between January 2023 and January 2025. By type: 11 monitoring and reporting and 1 reporting. The contaminants or rules involved are Nitrate-Nitrite, Lead and Copper Rule Revisions, Ethylbenzene and Benzene. EPA lists 11 as archived and 1 as resolved. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status. 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 |
|---|---|---|---|---|
| 2025-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitrate-Nitritecode 1038 | No | Archived |
| 2024-10-17 | ReportingLSL Reporting · code 4G | Lead and Copper Rule Revisionscode 5200 | No | Resolved |
| 2023-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Ethylbenzenecode 2992 | No | Archived |
| 2023-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Benzenecode 2990 | No | Archived |
| 2023-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Trichloroethylenecode 2984 | No | Archived |
| 2023-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | cis-1,2-Dichloroethylenecode 2380 | No | Archived |
| 2023-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,2-Dichloroethanecode 2980 | No | Archived |
| 2023-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Bariumcode 1010 | No | Archived |
| 2023-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,2,4-Trichlorobenzenecode 2378 | No | Archived |
| 2023-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | o-Dichlorobenzenecode 2968 | No | Archived |
| 2023-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Styrenecode 2996 | No | Archived |
| 2023-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Chlorobenzenecode 2989 | No | Archived |
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 South Water Corp: frequently asked questions
Who runs Riviera South Water Corp?
Riviera South Water Corp (PWSID MO5036314) is a community water system privately owned. It is regulated by the MO state drinking water program.
How many people does Riviera South Water Corp serve?
Riviera South Water Corp reports serving 90 people through 101 service connections in Hickory County, Missouri.
Where does Riviera South Water Corp 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 South Water Corp 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 January 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 Riviera South Water Corp'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 January 2025. For current results, consult the system's annual water quality report, EPA ECHO, or the MO state drinking water program.
Where can I find Riviera South Water Corp's water quality report?
As a community water system, Riviera South Water Corp 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 Hickory County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Pwsd 2 of Hickory Co | Hickory | 1,450 | Community | Groundwater |
| Hickory County R I Schools | Hickory | 800 | Non-transient non-community | Groundwater |
| Hermitage Pws | Hickory | 621 | Community | Groundwater |
| Weaubleau Pws | Hickory | 418 | Community | Groundwater |
| Usace Pomme De Terre Nemo Area Park | Hickory | 400 | Transient non-community | Groundwater |
| Tnt Quick Shop | Hickory | 380 | Transient non-community | Groundwater |
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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 South Water Corp, PWSID MO5036314, Missouri”, https://aquacensus.com/water-systems/missouri/riviera-south-water-corp-mo5036314 (data as of October 1, 2026).