Waldo Waterworks
EPA ID: AR0000112 · 1,630 people served · 2 ZIP codes
ZipCheckup's reading of EPA records for Waldo Waterworks (AR0000112): no drinking-water violations recorded since 2021. Zero violations are listed in EPA monitoring data for Waldo Waterworks; a count of records like this is not a water-quality test for the 1,630 residents it serves.
Data: EPA SDWIS
Service Area Map
Coverage area for Waldo Waterworks Source: EPA SDWIS service area boundaries.
Service area boundary
Demographics of ZIP Codes Served
The ZIP codes associated with Waldo Waterworks have a median household income of $38,714 and about 4,017 residents live in those ZIP codes (Census; not the number of people this system supplies). Approximately 64% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
Environmental Justice Note: On average, 80% 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?
Waldo 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.
Wastewater Proximity Note: This service area ranks in the 90th percentile nationally for proximity to wastewater discharge points.
Infrastructure Risk
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
Waldo Waterworks (EPA ID: AR0000112) is a community water system in Arkansas that serves approximately 1,630 people from groundwater sources.
This system provides water to 2 ZIP codes across 2 communities.
Violation History
Lead & Copper
Latest reported 90th-percentile lead result for this PWSID: 0.004 mg/L (2007-12-31).
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
2 of 2 ZIP records with known zones are in EPA Radon Zone 3.
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.
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Waldo Waterworks (AR0000112) on EPA.gov.
Frequently Asked Questions
Is Waldo Waterworks water safe to drink?
The accepted 2026Q2 ECHO snapshot contains zero violation records for Waldo Waterworks in the inclusive 2021-2026 record-year window. This is a compliance-record finding, not a guarantee about water at a specific tap.
How many people does Waldo Waterworks serve?
Waldo Waterworks serves approximately 1,630 people across 2 ZIP codes in Arkansas.
Where does Waldo Waterworks get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Waldo Waterworks Water Quality Report, AR. https://zipcheckup.com/water-system/ar0000112/
@misc{zipcheckup-water-system-ar0000112,
author = {{ZipCheckup}},
title = {{Waldo Waterworks Water Quality Report, AR}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/ar0000112/}
}