F0/100
Dilkon-Indian Wells-Greasewood-White Cone NTUA — Water Quality Report 2026
Serving 4,986 people · Arizona
Water Source
Groundwater
County
—
System ID
NN0400342
Violations
101
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.003 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
4
Violations (last 5yr)
0
Unresolved
2
Health-Related
TIER 3Resolved
Disinfection byproduct treatment technique failure
When: July 1, 2022 – October 4, 2022Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved
Monitoring Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: July 1, 2022 – July 31, 2022Rule: Total Coliform RuleEnforcement: Resolving — corrective action underway
TIER 2Resolved
Exceeded the Maximum Contaminant Level (running average)
When: October 1, 2021 – December 31, 2021Rule: Stage 2 DBPREnforcement: Formal — state order issued
TIER 2Resolved
Exceeded the Maximum Contaminant Level (running average)
When: July 1, 2021 – September 30, 2021Rule: Stage 2 DBPREnforcement: Formal — state order issued
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 Dilkon-Indian Wells-Greasewood-White Cone NTUA
Is Dilkon-Indian Wells-Greasewood-White Cone NTUA water safe to drink?
Dilkon-Indian Wells-Greasewood-White Cone NTUA water receives a grade of F (0/100), which is considered failing. 0 contaminant(s) exceed EPA legal limits and 101 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has Dilkon-Indian Wells-Greasewood-White Cone NTUA detected?
31 contaminants were tested in Dilkon-Indian Wells-Greasewood-White Cone NTUA's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does Dilkon-Indian Wells-Greasewood-White Cone NTUA have any EPA violations?
Yes, Dilkon-Indian Wells-Greasewood-White Cone NTUA has 101 EPA violation(s) on record, with the most recent in 2022. Violation types include Other, MON, MCL. 47 are health-based violations.
How many people does Dilkon-Indian Wells-Greasewood-White Cone NTUA serve?
Dilkon-Indian Wells-Greasewood-White Cone NTUA serves approximately 4,986 people, Arizona. The system provides water to 1 community: Dilcon, Indian Wells, Lower Greasewood,.
What type of water does Dilkon-Indian Wells-Greasewood-White Cone NTUA provide?
Dilkon-Indian Wells-Greasewood-White Cone NTUA sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is NN0400342.
How does Dilkon-Indian Wells-Greasewood-White Cone NTUA compare to other utilities in Arizona?
Dilkon-Indian Wells-Greasewood-White Cone NTUA 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.