Water Quality: Chandler, AZ

5 water systems • 247,999 people served

Multiple Health Violations
433
Total Violations
15
Health-Based Violations
5
Water Systems
247,999
Population Served

Water Quality Summary

Chandler is served by 5 public water systems with a combined service population of 247,999 people, and has 433 EPA Safe Drinking Water Act violations on record. Critically, 15 of those are health-based violations, meaning one or more contaminants were detected above EPA-established safe levels — a serious public health concern. Chandler's violation count is 14% above the national average for Arizona. Contaminants associated with violations include Chlorine Dioxide, E. coli, Stage 2 DBP, TTHM.

Contaminants Found

Chlorine Dioxide

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

E. coli

Causes gastrointestinal illness; certain strains (e.g., O157:H7) can cause severe kidney failure and death.

Common source: Fecal contamination from humans or animals entering the water supply

EPA limit: Zero (no E. coli permitted in drinking water)

Stage 2 DBP

Trihalomethanes and haloacetic acids that increase cancer risk and may cause adverse reproductive outcomes.

Common source: Chlorine disinfection reacting with natural organic matter in source water

EPA limit: TTHM: 0.080 mg/L; HAA5: 0.060 mg/L

TTHM

Total trihalomethanes are linked to increased risk of bladder cancer and adverse reproductive outcomes.

Common source: Reaction of chlorine disinfectants with naturally occurring organic matter in water

EPA limit: 0.080 mg/L (80 ppb)

Water Systems Serving Chandler

System Name PWSID Source Population Violations
CHANDLER CITY OF AZ0407090 Surface Water 247,328 340
LAMPLIGHTER RV RESORT AZ0404324 Groundwater 308 23
PINE VIEW RV PARK AZ0404069 Groundwater 138 6
APACHE MOBILE HOME AND RV PARK, LLC AZ0404300 Groundwater 130 58
GILBERT RIGG WELL COOP AZ0407903 Groundwater 95 6

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

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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.

Verify at epa.govSearch ECHO for AZ