Mammoth Spring Waterworks
EPA ID: AR0000206 · 1,777 people served · 1 ZIP code
ZipCheckup's reading of EPA records for Mammoth Spring Waterworks (AR0000206): 1 violation on record since 2021. Within the EPA violation records on file, Mammoth Spring Waterworks accumulated 1 violation, and every finding is recorded as resolved; the utility supplies water to approximately 1,777 people. Resolution of past violations is not a statement about current water quality.
Data: EPA SDWIS
Service Area Map
Coverage area for Mammoth Spring Waterworks Source: EPA SDWIS service area boundaries.
Service area boundary
Demographics of ZIP Codes Served
The ZIP codes associated with Mammoth Spring Waterworks have a median household income of $58,267 and about 2,749 residents live in those ZIP codes (Census; not the number of people this system supplies). Approximately 53% 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?
Mammoth Spring Waterworks'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.
Infrastructure Risk
Comparable Water Systems
Similar-sized systems in Arkansas
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 | Revised Total Coliform 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 |
|---|---|---|---|
| Revised Total Coliform Rule | Monitoring & Reporting | 1 | No |
Lead & Copper
Latest reported 90th-percentile lead result for this PWSID: 0.002 mg/L (2002-12-31).
No copper action-level exceedance record appears for this PWSID in the accepted LCR snapshot. This does not establish a clean copper measurement.
Radon Risk in Service Area
1 of 1 ZIP records with known zones is in EPA Radon Zone 2.
The EPA recommends testing all homes regardless of radon zone. County radon zones cannot replace an in-home radon test.
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 available EPA compliance records 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
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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.