La Cholla Airpark
EPA ID: AZ0420597 · 250 people served · 1 ZIP code
ZipCheckup's reading of EPA SDWIS for La Cholla Airpark (AZ0420597): 1 unresolved EPA violation on record. EPA compliance records for La Cholla Airpark show 1 unresolved violation - findings that remain open and are tracked at the federal level, covering a service territory of approximately 250 people.
Data: EPA SDWIS
Service Area Map
Coverage area for La Cholla Airpark Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The La Cholla Airpark serves a community with a median household income of $109,368 and an estimated 18,231 residents across its service area.
Environmental Justice Note: 39% 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?
La Cholla Airpark'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 La Cholla Airpark compares to EPA limits
What This Means For You
Haloacetic Acids (HAA5) at 1 mg/L exceeds the EPA maximum of 0.06 mg/L. Cancer risk; reproductive & developmental effects. Consider granular activated carbon (GAC) filtration.
Total Trihalomethanes (TTHM) at 1 mg/L exceeds the EPA maximum of 0.08 mg/L. Bladder & rectal cancer risk; reproductive concerns. Consider granular activated carbon (GAC) filtration.
Stage 1 DBP Rule at 4 mg/L exceeds the EPA maximum of mg/L.
Revised Total Coliform Rule at 2 presence exceeds the EPA maximum of presence.
PFAS Detected in Service Area
PFAS ("forever chemicals") have been detected in water serving this system's area. 1 detection recorded.
Haloacetic Acids (HAA5) was detected in this water system. granular activated carbon (GAC) filtration can reduce exposure.
Find a certified water filter →Comparable Water Systems
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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
La Cholla Airpark (EPA ID: AZ0420597) is a community water system in Arizona that serves approximately 250 people from groundwater sources.
This system serves ZIP code 85755 in Tucson.
Violation History
Status breakdown for accepted records with record years 2021-2026: 7 resolved, 0 archived, 0 addressed, and 1 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 |
|---|---|---|---|
| January 1, 2026 | Stage 1 DBP Rule | Non-health-based | Unaddressed (current) |
| March 1, 2024 | Revised Total Coliform Rule | Non-health-based | Resolved |
| January 1, 2023 | Stage 1 DBP Rule | Non-health-based | Resolved |
| October 24, 2021 | Stage 1 DBP Rule | Non-health-based | Resolved |
| October 1, 2021 | Haloacetic Acids (HAA5) | Non-health-based | Resolved |
| October 1, 2021 | Total Trihalomethanes (TTHM) | Non-health-based | Resolved |
| July 1, 2021 | Revised Total Coliform Rule | Non-health-based | Resolved |
| January 1, 2021 | Stage 1 DBP 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 |
|---|---|---|---|
| Stage 1 DBP Rule | Treatment Failure | 4 | No |
| Revised Total Coliform Rule | Microbiological | 2 | No |
| Total Trihalomethanes (TTHM) | Disinfection Byproducts | 1 | No |
| Haloacetic Acids (HAA5) | Disinfection Byproducts | 1 | No |
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| 0 mg/L | No | N/A |
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: 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 AZ or modeled from parcel and building-footprint data.
- 85755 - Tucson
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for La Cholla Airpark (AZ0420597) on EPA.gov.
Frequently Asked Questions
Is La Cholla Airpark water safe to drink?
The accepted 2026Q2 ECHO snapshot shows 1 current noncompliance record and zero current records classified as health-based. That classification is not a property-specific water test or safety guarantee.
How many people does La Cholla Airpark serve?
La Cholla Airpark serves approximately 250 people across 1 ZIP code in Arizona.
Where does La Cholla Airpark get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). La Cholla Airpark (AZ): 8 EPA Violations. https://zipcheckup.com/water-system/az0420597/
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title = {{La Cholla Airpark (AZ): 8 EPA Violations}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/az0420597/}
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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
La Cholla Airpark (EPA ID: AZ0420597) - request the latest Consumer Confidence Report or ask about specific contaminants.