Ridgetop Waterworks Corporation Subdivision
EPA ID: MO4036224 · 227 people served · 1 ZIP code
ZipCheckup's reading of EPA records for Ridgetop Waterworks Corporation Subdivision (MO4036224): 1 violation on record since 2021. While 1 violation did appear in Ridgetop Waterworks Corporation Subdivision's monitoring record, none is listed as unresolved; the utility serves approximately 227 residents. A closed violation record does not by itself establish compliance with every current EPA standard.
Data: EPA SDWIS
Service Area Map
Coverage area for Ridgetop Waterworks Corporation Subdivision Source: EPA SDWIS service area boundaries.
Service area boundary
Demographics of ZIP Codes Served
The ZIP codes associated with Ridgetop Waterworks Corporation Subdivision have a median household income of $56,364 and about 2,183 residents live in those ZIP codes (Census; not the number of people this system supplies). Approximately 56% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
Environmental Justice Note: On average, 100% of census tracts in the counties mapped to this service area are designated disadvantaged by the federal Climate and Economic Justice Screening Tool (CEJST, 2022 version). 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?
Ridgetop Waterworks Corporation Subdivision's water is classified in EPA records as a groundwater source. 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.
Wastewater Proximity Note: This service area ranks in the 60th percentile nationally for proximity to wastewater discharge points.
Infrastructure Risk
Comparable Water Systems
Similar-sized systems in Missouri
System Overview
Ridgetop Waterworks Corporation Subdivision (EPA ID: MO4036224) is a community water system in Missouri that serves approximately 227 people from groundwater sources.
This system serves ZIP code 63966 in Wappapello.
Violation History
Status breakdown for accepted records with record years 2021-2026: 1 resolved, 0 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 |
|---|---|---|---|
| October 17, 2024 | LEAD AND COPPER RULE REVISIONS | Non-health-based | Resolved |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| LEAD AND COPPER RULE REVISIONS | Monitoring & Reporting | 1 | No |
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| 0.0018 mg/L | No | 2025-12-31 |
No copper action-level exceedance record appears for this PWSID in the accepted LCR snapshot. This does not establish a clean copper measurement.
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: Ask your water utility whether running cold water for 2 minutes is enough to flush your plumbing before drinking.
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.
- 63966 - Wappapello
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Ridgetop Waterworks Corporation Subdivision (MO4036224) on EPA.gov.
Frequently Asked Questions
Is Ridgetop Waterworks Corporation Subdivision water safe to drink?
The accepted 2026Q2 ECHO snapshot shows no current noncompliance for Ridgetop Waterworks Corporation Subdivision; its 1 accepted 2021-2026 record are resolved or archived. Historical compliance status does not establish conditions at a specific tap.
How many people does Ridgetop Waterworks Corporation Subdivision serve?
Ridgetop Waterworks Corporation Subdivision serves approximately 227 people across 1 ZIP code in Missouri.
Where does Ridgetop Waterworks Corporation Subdivision get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Ridgetop Waterworks Corporation Subdivision: 1 EPA Violation. https://zipcheckup.com/water-system/mo4036224/
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author = {{ZipCheckup}},
title = {{Ridgetop Waterworks Corporation Subdivision: 1 EPA Violation}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/mo4036224/}
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What You Can Do
Test your water
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Check your specific ZIP code
Water quality can vary within a system. View nearest ZIP report →
Contact your utility
Ridgetop Waterworks Corporation Subdivision (EPA ID: MO4036224) - request the latest Consumer Confidence Report or ask about specific contaminants.