Picacho Dwid
EPA ID: AZ0411042 · 340 people served · 2 ZIP codes
Unlike fully compliant utilities, Picacho Dwid has 5 outstanding EPA violations for approximately 340 residents.
Data: EPA SDWIS Last verified: 2026-04-02
Compliance Trajectory
Worsening · Risk tier: High · 95% chance of violation in next 12 months
Violations went from 4 (2024) to 2 (2025). The pattern suggests growing compliance challenges.
Service Area Map
Coverage area for Picacho Dwid Source: EPA SDWIS service area boundaries.
Service area boundary — Grade B
Service Area Demographics
The Picacho Dwid serves a community with a median household income of $68,696 and an estimated 370 residents across its service area.
Environmental Justice Note: 43% 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?
Picacho Dwid'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 Pinal 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
Detected Contaminants
How Picacho Dwid compares to EPA limits
What This Means For You
Lead at 2 mg/L (action level) exceeds the EPA maximum of 0.015 mg/L (action level). Brain damage in children, kidney & blood pressure in adults. Consider reverse osmosis filtration.
Surface Water Treatment Rule at 7 mg/L exceeds the EPA maximum of mg/L.
Gross Alpha at 6 pCi/L exceeds the EPA maximum of pCi/L. Increased cancer risk from radioactive particles. Consider reverse osmosis filtration.
Lead and Copper Rule at 6 mg/L exceeds the EPA maximum of mg/L.
Revised Total Coliform Rule at 6 presence exceeds the EPA maximum of presence.
Lead was detected in this water system. reverse osmosis 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
Picacho Dwid (EPA ID: AZ0411042) is a community water system in Arizona that serves approximately 340 people from groundwater sources.
This system provides water to 2 ZIP codes across 1 community.
Average Home Safety Score: B (80/100)
Based on water quality violations, lead levels, and radon risk across all ZIP codes served by this system.
Violation History
Recent Violations
| Date | Contaminant | Type | Status |
|---|---|---|---|
| April 11, 2025 | Lead and Copper Rule | Monitoring | Unresolved |
| February 19, 2025 | Contaminant 0700 | Health-based | Resolved |
| January 1, 2025 | Stage 1 DBP Rule | Monitoring | Unresolved |
| October 17, 2024 | Stage 2 DBP Rule | Monitoring | Resolved |
| October 17, 2024 | Stage 2 DBP Rule | Health-based | Resolved |
| October 1, 2024 | Stage 1 DBP Rule | Monitoring | Resolved |
| April 13, 2024 | Lead and Copper Rule | Monitoring | Resolved |
| March 1, 2024 | Revised Total Coliform Rule | Monitoring | Resolved |
| January 1, 2024 | Stage 1 DBP Rule | Monitoring | Unresolved |
| January 1, 2024 | Lead | Health-based | Resolved |
| November 3, 2023 | Lead and Copper Rule | Monitoring | Resolved |
| October 2, 2023 | Surface Water Treatment Rule | Monitoring | Resolved |
| October 1, 2023 | Revised Total Coliform Rule | Monitoring | Resolved |
| July 1, 2023 | Surface Water Treatment Rule | Monitoring | Resolved |
| July 1, 2023 | Revised Total Coliform Rule | Monitoring | Unresolved |
| April 1, 2023 | Gross Alpha | Monitoring | Resolved |
| April 1, 2023 | Revised Total Coliform Rule | Monitoring | Resolved |
| February 1, 2023 | Consumer Confidence Report Rule | Monitoring | Resolved |
| January 1, 2023 | Stage 1 DBP Rule | Monitoring | Unresolved |
| January 1, 2023 | Revised Total Coliform Rule | Monitoring | Resolved |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Surface Water Treatment Rule | Treatment Failure | 7 | No |
| Gross Alpha | Radionuclides | 6 | No |
| Lead and Copper Rule | Treatment Failure | 6 | No |
| Revised Total Coliform Rule | Microbiological | 6 | No |
| Stage 1 DBP Rule | Treatment Failure | 4 | No |
| Lead | Inorganic | 2 | Yes |
| Stage 2 DBP Rule | Treatment Failure | 2 | Yes |
| Consumer Confidence Report Rule | Reporting Failure | 1 | No |
| Contaminant 0700 | Other Violation | 1 | Yes |
Health Risk Details
Lead (EPA limit: 0.015 mg/L (action level))
Brain damage in children, kidney & blood pressure in adults At-risk groups: infants, children under 6, pregnant women.
Removal methods: reverse osmosis, distillation, certified carbon block filter (NSF/ANSI 53). Find the right filter →
Lead & Copper
EPA Lead and Copper Rule sampling data for ZIP codes served by this system:
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
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Picacho Dwid (AZ0411042) on EPA.gov.
Frequently Asked Questions
Is Picacho Dwid water safe to drink?
Picacho Dwid has recorded 3 health-based violations in the past 5 years. While the system is required to treat water to meet federal standards, you may want to consider additional precautions such as a certified water filter.
How many people does Picacho Dwid serve?
Picacho Dwid serves approximately 340 people across 2 ZIP codes in Arizona.
Where does Picacho Dwid 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.
Frequently Asked Questions
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
Picacho Dwid (EPA ID: AZ0411042) — request the latest Consumer Confidence Report or ask about specific contaminants.