Water Quality: Duncan, AZ
3 water systems • 872 people served
Multiple Health ViolationsWater Quality Summary
Duncan is served by 3 public water systems with a combined service population of 872 people, and has 589 EPA Safe Drinking Water Act violations on record. Critically, 9 of those are health-based violations, meaning one or more contaminants were detected above EPA-established safe levels — a serious public health concern. Duncan's violation count is 55% above the national average for Arizona. Contaminants associated with violations include Chlorine Dioxide, Endrin.
Contaminants Found
Can cause anemia in infants and young children; may cause nervous system effects at high levels.
Common source: Water treatment disinfectant used to control taste, odor, and microorganisms
EPA limit: 0.8 mg/L
Water Systems Serving Duncan
| System Name | PWSID | Source | Population | Violations |
|---|---|---|---|---|
| DUNCAN TOWN OF | AZ0406001 | Groundwater | 605 | 458 |
| VALLEY VIEW MHC & RV PARK | AZ0406305 | Groundwater | 142 | 47 |
| HUNTER WATER - TOWN OF DUNCAN | AZ0406009 | Groundwater | 125 | 84 |
Concerned About Your Water?
A home water filter can remove common contaminants. NSF-certified filters are tested against EPA standards.
Consider a reverse osmosis system for comprehensive filtration or a carbon filter for basic improvement.
Other Cities in Arizona
Data Sources
Drinking water violation data from the EPA Safe Drinking Water Information System (SDWIS). Data includes all recorded violations for active community water systems.