Riviera South Water Corporation
EPA ID: MO5036314 · 90 people served · 2 ZIP codes
ZipCheckup's reading of EPA SDWIS for Riviera South Water Corporation (MO5036314): 33 EPA violations in the last five years. The five-year EPA compliance file for Riviera South Water Corporation contains 33 violations, each documented and subsequently closed - the utility now operates in full compliance and continues to supply approximately 90 residents with water meeting current federal standards, including both health-based and monitoring requirements.
Data: EPA SDWIS
Service Area Map
Coverage area for Riviera South Water Corporation Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Riviera South Water Corporation serves a community with a median household income of $44,622 and an estimated 3,588 residents across its service area. Approximately 54% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
Environmental Justice Note: 84% of the population in this service area is classified as disadvantaged under EPA's EJScreen criteria. Communities with higher disadvantaged populations often face disproportionate environmental and health burdens, including aging water infrastructure and limited resources for remediation.
💧 Where Does Your Water Come From?
Riviera South Water Corporation's water is pumped from underground aquifers. Groundwater is naturally filtered through rock and soil, but it can be vulnerable to PFAS contamination, nitrates from agriculture, and industrial chemicals that seep into the water table.
Infrastructure Risk
Detected Contaminants
How Riviera South Water Corporation compares to EPA limits
What This Means For You
PFOA at 1 mg/L exceeds the EPA maximum of 0.000004 mg/L.
PFNA at 1 mg/L exceeds the EPA maximum of 0.00001 mg/L.
Mercury at 1 mg/L exceeds the EPA maximum of 0.002 mg/L. Kidney damage, neurological impairment. Consider activated carbon (GAC) filtration.
Chlorodibromomethane at 1 mg/L exceeds the EPA maximum of 0.002 mg/L. Liver cancer, brain cancer (known carcinogen). Consider granular activated carbon (GAC) filtration.
Cadmium at 1 mg/L exceeds the EPA maximum of 0.005 mg/L. Kidney damage accumulating over lifetime; probable carcinogen. Consider reverse osmosis filtration.
Mercury was detected in this water system. activated carbon (GAC) filtration can reduce exposure.
Find a certified water filter →Comparable Water Systems
Similar-sized systems in Missouri
Estimated Remediation Costs
Average estimated costs across ZIP codes served by this system
Based on national averages for common remediation projects. Actual costs vary by property. Only issues flagged by EPA, FEMA, or state data for each ZIP code are included.
System Overview
Riviera South Water Corporation (EPA ID: MO5036314) is a community water system in Missouri that serves approximately 90 people from groundwater sources.
This system provides water to 2 ZIP codes across 2 communities.
Violation History
Status breakdown for accepted records with record years 2021-2026: 1 resolved, 32 archived, 0 addressed, and 0 unaddressed. Under this source contract, current noncompliance is the sum of addressed and unaddressed records. Archived and resolved records are excluded from current noncompliance.
Recent Violations
| Date | Contaminant | Type | Status |
|---|---|---|---|
| January 1, 2025 | Arsenic | Non-health-based | Archived |
| October 17, 2024 | Stage 2 DBP Rule | Non-health-based | Resolved |
| January 1, 2023 | Barium | Non-health-based | Archived |
| January 1, 2023 | Cadmium | Non-health-based | Archived |
| January 1, 2023 | Chromium | Non-health-based | Archived |
| January 1, 2023 | Fluoride | Non-health-based | Archived |
| January 1, 2023 | Nickel | Non-health-based | Archived |
| January 1, 2023 | Nitrite | Non-health-based | Archived |
| January 1, 2023 | Mercury | Non-health-based | Archived |
| January 1, 2023 | Contaminant 1075 | Non-health-based | Archived |
| January 1, 2023 | Contaminant 1085 | Non-health-based | Archived |
| January 1, 2023 | Contaminant 1045 | Non-health-based | Archived |
| January 1, 2023 | PFOA | Non-health-based | Archived |
| January 1, 2023 | PFNA | Non-health-based | Archived |
| January 1, 2023 | Monochloroacetic Acid | Non-health-based | Archived |
| January 1, 2023 | Dichloroacetic Acid | Non-health-based | Archived |
| January 1, 2023 | Bromodichloromethane | Non-health-based | Archived |
| January 1, 2023 | Dibromochloromethane | Non-health-based | Archived |
| January 1, 2023 | Bromoform | Non-health-based | Archived |
| January 1, 2023 | Chlorodibromomethane | Non-health-based | Archived |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Barium | Inorganic | 1 | No |
| Cadmium | Inorganic | 1 | No |
| Chromium | Inorganic | 1 | No |
| Fluoride | Inorganic | 1 | No |
| Nickel | Inorganic | 1 | No |
| Nitrite | Inorganic | 1 | No |
| Arsenic | Inorganic | 1 | No |
| Contaminant 1045 | Other Violation | 1 | No |
| Mercury | Inorganic | 1 | No |
| Contaminant 1075 | Other Violation | 1 | No |
| Contaminant 1085 | Other Violation | 1 | No |
| PFOA | PFAS | 1 | No |
| PFNA | PFAS | 1 | No |
| Monochloroacetic Acid | Disinfection Byproducts | 1 | No |
| Dichloroacetic Acid | Disinfection Byproducts | 1 | No |
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| 0.0051 mg/L | No | N/A |
No copper action-level exceedance record appears for this PWSID in the accepted LCR snapshot. This does not establish a clean copper measurement.
Radon Risk in Service Area
Dominant radon zone for ZIP codes served by this system: Zone 2 (Moderate Risk)
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
Need help with your water quality?
Typical cost: Water test: typically $20–$50 (DIY kit) · Professional inspection: $150–$400
Find the Right Water FilterFree tip: Let cold water run for 2 minutes before drinking — this helps flush lead from your pipes.
ZIP Codes Served
Coverage: Service area ZIP codes sourced from EPA Community Water System Service Area Boundaries v3 (March 2026 release). These ZIPs reflect the actual deployment footprint recorded by MO or modeled from parcel and building-footprint data.
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Riviera South Water Corporation (MO5036314) on EPA.gov.
Frequently Asked Questions
Is Riviera South Water Corporation water safe to drink?
The accepted 2026Q2 ECHO snapshot shows no current noncompliance for Riviera South Water Corporation; its 33 accepted 2021-2026 records are resolved or archived. Historical compliance status does not establish conditions at a specific tap.
How many people does Riviera South Water Corporation serve?
Riviera South Water Corporation serves approximately 90 people across 2 ZIP codes in Missouri.
Where does Riviera South Water Corporation get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Riviera South Water Corporation (MO): 33 EPA Violations. https://zipcheckup.com/water-system/mo5036314/
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author = {{ZipCheckup}},
title = {{Riviera South Water Corporation (MO): 33 EPA Violations}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/mo5036314/}
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What You Can Do
Test your water
Home test kits can detect lead, bacteria, and other contaminants at your tap. Find the right filter →
Check your specific ZIP code
Water quality can vary within a system. View nearest ZIP report →
Contact your utility
Riviera South Water Corporation (EPA ID: MO5036314) - request the latest Consumer Confidence Report or ask about specific contaminants.