Tonto Basin Water Roosevelt Lake Estates
EPA ID: AZ0404036 · 508 people served · 1 ZIP code
ZipCheckup's reading of EPA SDWIS for Tonto Basin Water Roosevelt Lake Estates (AZ0404036): 3 EPA violations in the last five years. Tonto Basin Water Roosevelt Lake Estates carries 3 resolved violations in the five-year EPA record - each has been formally closed, and the supplier, which serves approximately 508 people, now meets all applicable federal drinking water standards with no open enforcement activity remaining.
Data: EPA SDWIS
Service Area Map
Coverage area for Tonto Basin Water Roosevelt Lake Estates Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Tonto Basin Water Roosevelt Lake Estates serves a community with a median household income of $49,688 and an estimated 669 residents across its service area. Approximately 43% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
Environmental Justice Note: 94% 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?
Tonto Basin Water Roosevelt Lake Estates'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.
Wastewater Proximity Note: This service area ranks in the 60th percentile nationally for proximity to wastewater discharge points.
Infrastructure Risk
Detected Contaminants
How Tonto Basin Water Roosevelt Lake Estates 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.
Surface Water Treatment Rule at 1 mg/L exceeds the EPA maximum of mg/L.
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
Similar-sized systems in Arizona
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
Tonto Basin Water Roosevelt Lake Estates (EPA ID: AZ0404036) is a community water system in Arizona that serves approximately 508 people from groundwater sources.
This system serves ZIP code 85545 in Roosevelt.
Violation History
Status breakdown for accepted records with record years 2021-2026: 1 resolved, 2 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 |
|---|---|---|---|
| July 1, 2025 | Surface Water Treatment Rule | Non-health-based | Resolved |
| January 1, 2025 | Haloacetic Acids (HAA5) | Non-health-based | Archived |
| January 1, 2025 | Total Trihalomethanes (TTHM) | Non-health-based | Archived |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Total Trihalomethanes (TTHM) | Disinfection Byproducts | 1 | No |
| Haloacetic Acids (HAA5) | Disinfection Byproducts | 1 | No |
| Surface Water Treatment Rule | Treatment Failure | 1 | No |
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| 0.0075 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.
- 85545 - Roosevelt
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Tonto Basin Water Roosevelt Lake Estates (AZ0404036) on EPA.gov.
Frequently Asked Questions
Is Tonto Basin Water Roosevelt Lake Estates water safe to drink?
The accepted 2026Q2 ECHO snapshot shows no current noncompliance for Tonto Basin Water Roosevelt Lake Estates; its 3 accepted 2021-2026 records are resolved or archived. Historical compliance status does not establish conditions at a specific tap.
How many people does Tonto Basin Water Roosevelt Lake Estates serve?
Tonto Basin Water Roosevelt Lake Estates serves approximately 508 people across 1 ZIP code in Arizona.
Where does Tonto Basin Water Roosevelt Lake Estates get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Tonto Basin Water Roosevelt Lake Estates: 3 EPA Violations. https://zipcheckup.com/water-system/az0404036/
@misc{zipcheckup-water-system-az0404036,
author = {{ZipCheckup}},
title = {{Tonto Basin Water Roosevelt Lake Estates: 3 EPA Violations}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/az0404036/}
}
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
Tonto Basin Water Roosevelt Lake Estates (EPA ID: AZ0404036) - request the latest Consumer Confidence Report or ask about specific contaminants.