What's in Big River Development's water?
Big River Development has at least one health-based violation EPA's ECHO database still lists as unaddressed - the required fix has not been reported complete. It serves 3,550 people through 905 service connections.
How this compares nationally
Out of 12,903 systems in this dataset, Big River Development ranks 2,540th by violation burden (80th percentile) - 236 violations total, 7 health-baseds.
How Big River Development compares within AZ
AZ's 199 covered systems average 8.2 health-based violations each; Big River Development carries 7, not more than typical for the state. The clean-record guide covers what a comparison like this can hide.
Most recent violation on record
The last violation EPA has on record for Big River Development is from 2026-06-03 (health-based: 2026-06-03). Last reported to EPA: 06/30/2026.
What kind of problem, specifically
Big River Development'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); Groundwater Rule
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 Big River Development'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 Big River Development's customers' taps is household plumbing, invisible to a system-level record ranked 2,540th of 12,903 by violation count. The guide to what this data misses covers that gap.