Golden Valley Improvement District
EPA ID: AZ0408081 · 3,950 people served · 3 ZIP codes
ZipCheckup's reading of EPA SDWIS for Golden Valley Improvement District (AZ0408081): 1 unresolved EPA violation on record. 1 open EPA finding remain on record at Golden Valley Improvement District - the utility supplies approximately 3,950 people.
Data: EPA SDWIS
Service Area Map
Coverage area for Golden Valley Improvement District Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Golden Valley Improvement District serves a community with a median household income of $48,499 and an estimated 72,014 residents across its service area.
Environmental Justice Note: 58% 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?
Golden Valley Improvement District'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 Golden Valley Improvement District compares to EPA limits
What This Means For You
Surface Water Treatment Rule at 1 mg/L exceeds the EPA maximum of mg/L.
Contaminant 0700 at 1 mg/L exceeds the EPA maximum of mg/L.
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
Golden Valley Improvement District (EPA ID: AZ0408081) is a community water system in Arizona that serves approximately 3,950 people from groundwater sources.
This system provides water to 3 ZIP codes across 2 communities.
Violation History
Status breakdown for accepted records with record years 2021-2026: 3 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 |
|---|---|---|---|
| July 1, 2025 | Barium | Non-health-based | Resolved |
| April 1, 2025 | Barium | Non-health-based | Resolved |
| March 15, 2025 | Contaminant 0700 | Health-based | Unaddressed (current) |
| October 2, 2022 | Surface Water Treatment 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 |
|---|---|---|---|
| Barium | Inorganic | 2 | No |
| Surface Water Treatment Rule | Treatment Failure | 1 | No |
| Contaminant 0700 | Other Violation | 1 | Yes |
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.
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Golden Valley Improvement District (AZ0408081) on EPA.gov.
Frequently Asked Questions
Is Golden Valley Improvement District water safe to drink?
The accepted 2026Q2 ECHO snapshot shows 1 current health-based noncompliance record for Golden Valley Improvement District. Review the utility's current notices and EPA record. This system-level compliance history cannot determine conditions at a specific tap.
How many people does Golden Valley Improvement District serve?
Golden Valley Improvement District serves approximately 3,950 people across 3 ZIP codes in Arizona.
Where does Golden Valley Improvement District get its water?
The primary water source is groundwater.
Federal UCMR5 PFAS Monitoring: Tested Clean
This water system was tested under the federal EPA Unregulated Contaminant Monitoring Rule (UCMR5). No PFAS compounds were detected.
Current MCL reflects the lowest state-enforceable limit (NYS 10 ppt for PFOA/PFOS, effective August 2020). The federal final MCL of 4 ppt for PFOA/PFOS (EPA April 2024 rule) is not enforceable until April 2029. Detections above 4 ppt but below 10 ppt are below current MCL but above the future federal limit.
Source: U.S. EPA UCMR5 (Unregulated Contaminant Monitoring Rule, 5th cycle) — per-system federal sampling, 2023–2025. EPA UCMR5 monitoring program →
How Water Systems Appear in Rankings
Water systems are evaluated by violation history, contaminant detections, and service population. Larger systems with more service connections appear in more rankings.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Golden Valley Improvement District (AZ): 1 Health Violation. https://zipcheckup.com/water-system/az0408081/
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author = {{ZipCheckup}},
title = {{Golden Valley Improvement District (AZ): 1 Health Violation}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/az0408081/}
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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
Golden Valley Improvement District (EPA ID: AZ0408081) - request the latest Consumer Confidence Report or ask about specific contaminants.