Arivaca Townsite Water Coop
EPA ID: AZ0410002 · 150 people served · 1 ZIP code
Over five tracked years, Arivaca Townsite Water Coop has stayed completely violation-free for its 150 residents.
Data: EPA SDWIS Last verified: 2026-04-02
Service Area Map
Coverage area for Arivaca Townsite Water Coop Source: EPA SDWIS service area boundaries.
Service area boundary — Grade B
Service Area Demographics
The Arivaca Townsite Water Coop serves a community with a median household income of $31,791 and an estimated 494 residents across its service area. Approximately 50% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
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?
Arivaca Townsite Water Coop'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.
About 1% of homes in Pima County, Arizona rely on private wells rather than public water systems. Private well owners are responsible for their own water testing and treatment.
Infrastructure Risk
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
Arivaca Townsite Water Coop (EPA ID: AZ0410002) is a community water system in Arizona that serves approximately 150 people from groundwater sources.
This system serves ZIP code 85601 in Arivaca.
Average Home Safety Score: B (83/100)
Based on water quality violations, lead levels, and radon risk across all ZIP codes served by this system.
Violation History
Lead & Copper
EPA Lead and Copper Rule sampling data for ZIP codes served by this system:
| ZIP Code | Lead Level | Exceeds Limit | Sample Date |
|---|---|---|---|
| 85601 | 0.001 mg/L | No | N/A |
Radon Risk in Service Area
Dominant radon zone for ZIP codes served by this system: Zone 2 (Moderate Risk)
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
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
- 85601 — Arivaca
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Arivaca Townsite Water Coop (AZ0410002) on EPA.gov.
Frequently Asked Questions
Is Arivaca Townsite Water Coop water safe to drink?
Based on EPA records, Arivaca Townsite Water Coop has no recorded violations in the past 5 years — a positive indicator of water quality management.
How many people does Arivaca Townsite Water Coop serve?
Arivaca Townsite Water Coop serves approximately 150 people across 1 ZIP code in Arizona.
Where does Arivaca Townsite Water Coop get its water?
The primary water source is groundwater.
Lead Service Line Inventory
Service line breakdown reported under the federal Lead and Copper Rule Improvements (LCRI) inventory requirement:
This system reports zero confirmed lead service lines in its inventory. Unknown-material counts may still warrant verification.
Federal LCRI rule (effective October 2024) requires every public water system to inventory its service lines and complete lead-line replacement within 10 years.
Source: EPA SDWIS Federal Service Line Inventory (Phase 2) · Submitted 2026
ZipCheckup is not affiliated with the utility or state agency. Inventory figures render verbatim from the public LCRI submission cited above; ZipCheckup does not perform inspections or replacements.