Dilkon-Indian Wells-Greasewood-White Cone NTUA: EPA violation history, explained
Dilkon-Indian Wells-Greasewood-White Cone NTUA had a health-based violation within the last five years. The required corrective action was reported, but it happened recently enough to matter. Population served: 4,986, over 1,458 connections.
How this compares nationally
112 total violations and 56 health-based ones put Dilkon-Indian Wells-Greasewood-White Cone NTUA at the 98th percentile nationally for violation burden, rank 218 of 12,903.
How Dilkon-Indian Wells-Greasewood-White Cone NTUA compares within AZ
Dilkon-Indian Wells-Greasewood-White Cone NTUA's 56 health-based violations sit above the AZ average of 8.2, across 199 systems statewide. See the lead and copper guide for why lead counts differently.
Most recent violation on record
The last violation EPA has on record for Dilkon-Indian Wells-Greasewood-White Cone NTUA is from 2024-01-01 (health-based: 2024-01-01). Last reported to EPA: 06/23/2026.
What kind of problem, specifically
Dilkon-Indian Wells-Greasewood-White Cone NTUA's flagged contaminants and rule violations, grouped by what they actually mean for a filter choice rather than left as EPA's raw code list:
- Microbial contamination / treatment technique - flagged from: Coliform (TCR); Revised Total Coliform Rule
- Disinfection byproducts - flagged from: TTHM
The most severe category on record is microbial contamination / treatment technique, which points toward a microbial-class filter if you want to address it directly.
What this data is and is not
Everything on this page is Dilkon-Indian Wells-Greasewood-White Cone NTUA's own reported record under the Safe Drinking Water Act - a regulatory filing, not a sample of your tap. Between the utility's meter and Dilkon-Indian Wells-Greasewood-White Cone NTUA's customers' taps is household plumbing, invisible to a system-level record ranked 218th of 12,903 by violation count. The guide to what this data misses covers that gap.