Mammoth Spring Waterworks
EPA ID: AR0000206 · 1,777 people served · 1 ZIP code
ZipCheckup's reading of EPA SDWIS for Mammoth Spring Waterworks (AR0000206): 1 EPA violation in the last five years. Within the five-year EPA monitoring span, Mammoth Spring Waterworks accumulated 1 violation - every finding has been resolved and the utility operates in full compliance today, supplying water to approximately 1,777 people without any active enforcement proceedings.
Data: EPA SDWIS
Service Area Map
Coverage area for Mammoth Spring Waterworks Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Mammoth Spring Waterworks serves a community with a median household income of $58,267 and an estimated 2,749 residents across its service area. Approximately 53% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
Environmental Justice Note: 100% 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?
Mammoth Spring Waterworks'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 Mammoth Spring Waterworks compares to EPA limits
What This Means For You
Consumer Confidence Report Rule at 1 mg/L exceeds the EPA maximum of mg/L.
Comparable Water Systems
Similar-sized systems in Arkansas
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
Mammoth Spring Waterworks (EPA ID: AR0000206) is a community water system in Arkansas that serves approximately 1,777 people from groundwater sources.
This system serves ZIP code 72554 in Mammoth Spring.
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 |
|---|---|---|---|
| May 1, 2022 | Consumer Confidence Report Rule | Non-health-based | Resolved |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Consumer Confidence Report Rule | Reporting Failure | 1 | No |
Lead & Copper
No reported lead measurement appears for this PWSID in the accepted LCR snapshot. Absence of a reported measurement is not a measured zero.
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 AR or modeled from parcel and building-footprint data.
- 72554 - Mammoth Spring
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Mammoth Spring Waterworks (AR0000206) on EPA.gov.
Frequently Asked Questions
Is Mammoth Spring Waterworks water safe to drink?
The accepted 2026Q2 ECHO snapshot shows no current noncompliance for Mammoth Spring Waterworks; 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 Mammoth Spring Waterworks serve?
Mammoth Spring Waterworks serves approximately 1,777 people across 1 ZIP code in Arkansas.
Where does Mammoth Spring Waterworks get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Mammoth Spring Waterworks (AR): 1 EPA Violation. https://zipcheckup.com/water-system/ar0000206/
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author = {{ZipCheckup}},
title = {{Mammoth Spring Waterworks (AR): 1 EPA Violation}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/ar0000206/}
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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
Mammoth Spring Waterworks (EPA ID: AR0000206) - request the latest Consumer Confidence Report or ask about specific contaminants.