Casa Water Department
EPA ID: AR0000660 · 1,500 people served · 4 ZIP codes
ZipCheckup's reading of EPA records for Casa Water Department (AR0000660): 7 health-based violations recorded since 2021. Per the federal file, all 11 violations logged for Casa Water Department carry a resolved status, and around 1,500 people get water from this system.
Data: EPA SDWIS
Service Area Map
Coverage area for Casa Water Department Source: EPA SDWIS service area boundaries.
Service area boundary
Demographics of ZIP Codes Served
The ZIP codes associated with Casa Water Department have a median household income of $52,101 and about 7,762 residents live in those ZIP codes (Census; not the number of people this system supplies). Approximately 57% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
Environmental Justice Note: On average, 96% 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?
Casa Water Department's water is drawn from rivers, lakes, or reservoirs. Surface water sources are more exposed to agricultural runoff, stormwater, and upstream discharges, but they typically receive more intensive treatment before reaching your tap.
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
Casa Water Department (EPA ID: AR0000660) is a community water system in Arkansas that serves approximately 1,500 people from surface water sources.
This system provides water to 4 ZIP codes across 4 communities.
Violation History
Status breakdown for accepted records with record years 2021-2026: 4 resolved, 7 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 1, 2025 | TTHM | Health-based | Archived |
| July 1, 2025 | TTHM | Health-based | Archived |
| July 1, 2025 | TTHM | Health-based | Archived |
| June 1, 2025 | Public Notice | Non-health-based | Resolved |
| April 1, 2025 | TTHM | Health-based | Archived |
| April 1, 2025 | TTHM | Health-based | Archived |
| January 1, 2025 | TTHM | Health-based | Archived |
| January 1, 2025 | TTHM | Health-based | Archived |
| November 1, 2023 | Revised Total Coliform Rule | Non-health-based | Resolved |
| July 1, 2022 | Lead and Copper Rule | Non-health-based | Resolved |
| July 1, 2021 | Consumer Confidence 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 |
|---|---|---|---|
| TTHM | MCL Violation | 7 | Yes |
| Public Notice | Monitoring & Reporting | 1 | No |
| Consumer Confidence Rule | Other (notice or report rule) | 1 | No |
| Public Notice | Other (notice or report rule) | 1 | No |
| Revised Total Coliform Rule | Monitoring & Reporting | 1 | No |
Health Risk Details
Haloacetic Acids (HAA5) (EPA limit: 0.06 mg/L)
Increased risk of cancer
Treatment options (verify a product is certified to reduce this contaminant): granular activated carbon (GAC), carbon block filter, reverse osmosis. Find the right filter →
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| 0.001 mg/L | No | 2019-12-31 |
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
4 of 4 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 Casa Water Department (AR0000660) on EPA.gov.
Frequently Asked Questions
Is Casa Water Department water safe to drink?
The accepted 2026Q2 ECHO snapshot shows no current noncompliance for Casa Water Department; its 11 accepted 2021-2026 records are resolved or archived. Historical compliance status does not establish conditions at a specific tap.
How many people does Casa Water Department serve?
Casa Water Department serves approximately 1,500 people across 4 ZIP codes in Arkansas.
Where does Casa Water Department get its water?
The primary water source is surface water.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Casa Water Department (AR): 7 Health Violations. https://zipcheckup.com/water-system/ar0000660/
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author = {{ZipCheckup}},
title = {{Casa Water Department (AR): 7 Health Violations}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/ar0000660/}
}
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
Casa Water Department (EPA ID: AR0000660) - request the latest Consumer Confidence Report or ask about specific contaminants.