F0/100
GOLDEN VALLEY IMPROVEMENT DISTRICT — Water Quality Report 2026
Serving 3,950 people · Arizona
Water Source
Groundwater
County
—
System ID
AZ0408081
Violations
76
Contaminant Test Results
EPA Violation History
4
Violations (last 5yr)
2
Unresolved
1
Health-Related
TIER 3Unresolved
Exceeded the MCL for disinfection byproducts
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: July 1, 2025 – September 30, 2025Verify on EPA.gov
TIER 3Resolved
Exceeded the MCL for disinfection byproducts
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: April 1, 2025 – June 30, 2025Enforcement: Resolving — corrective action underway
TIER 2Unresolved
Violation related to Consumer Confidence Report
When: March 15, 2025Rule: Consumer Confidence RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov
TIER 3Resolved
Surface water treatment technique failure
When: October 2, 2022 – May 2, 2023Enforcement: Resolving — corrective action underway
Understanding violation severity
Tier 1Urgent health risk. Utility must notify all customers within 24 hours.Tier 2Important health or treatment issue. Customers notified within 30 days.Tier 3Administrative or monitoring issue. Reported in the annual water quality report.
Source: EPA Safe Drinking Water Information System (SDWIS) · Updated quarterly
Frequently Asked Questions About GOLDEN VALLEY IMPROVEMENT DISTRICT
Is GOLDEN VALLEY IMPROVEMENT DISTRICT water safe to drink?
GOLDEN VALLEY IMPROVEMENT DISTRICT water receives a grade of F (0/100), which is considered failing. 0 contaminant(s) exceed EPA legal limits and 76 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has GOLDEN VALLEY IMPROVEMENT DISTRICT detected?
31 contaminants were tested in GOLDEN VALLEY IMPROVEMENT DISTRICT's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does GOLDEN VALLEY IMPROVEMENT DISTRICT have any EPA violations?
Yes, GOLDEN VALLEY IMPROVEMENT DISTRICT has 76 EPA violation(s) on record, with the most recent in 2025. Violation types include MR, TT, Other. 6 are health-based violations.
How many people does GOLDEN VALLEY IMPROVEMENT DISTRICT serve?
GOLDEN VALLEY IMPROVEMENT DISTRICT serves approximately 3,950 people, Arizona. The system provides water to 1 community: Kingman.
What type of water does GOLDEN VALLEY IMPROVEMENT DISTRICT provide?
GOLDEN VALLEY IMPROVEMENT DISTRICT sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is AZ0408081.
How does GOLDEN VALLEY IMPROVEMENT DISTRICT compare to other utilities in Arizona?
GOLDEN VALLEY IMPROVEMENT DISTRICT scores 0/100 with a grade of F (failing). This score suggests significant water quality concerns relative to other utilities. Visit our Arizona state page for a full comparison of water systems.