Water Quality: Kingman, AZ

7 water systems • 49,928 people served

Multiple Health Violations
709
Total Violations
90
Health-Based Violations
7
Water Systems
49,928
Population Served

Water Quality Summary

Kingman is served by 7 public water systems with a combined service population of 49,928 people, and has 709 EPA Safe Drinking Water Act violations on record. Critically, 90 of those are health-based violations, meaning one or more contaminants were detected above EPA-established safe levels — a serious public health concern. Kingman's violation count is 87% above the national average for Arizona. Contaminants associated with violations include Chlorine Dioxide, Contaminant 4030, Disinfection Byproducts, E. coli, Haloacetic Acids.

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

Contaminant 4030
Disinfection Byproducts

Broad category of chemicals formed during disinfection, associated with increased cancer risk and adverse reproductive effects.

Common source: Reaction of disinfectants (chlorine, ozone, chloramines) with organic matter

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)

Haloacetic Acids

Linked to increased cancer risk and potential reproductive and developmental effects with long-term exposure.

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

EPA limit: 0.060 mg/L (60 ppb)

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

Total Organic Carbon

Not a direct health risk but reacts with disinfectants to form carcinogenic byproducts such as trihalomethanes.

Common source: Decaying plant material, algae, soil organic matter in source water

EPA limit: Treatment technique (must reduce TOC based on source water level)

Water Systems Serving Kingman

System Name PWSID Source Population Violations
KINGMAN MUNICIPAL WATER AZ0408020 Groundwater 45,000 45
GOLDEN VALLEY IMPROVEMENT DISTRICT AZ0408081 Groundwater 3,950 31
HORIZON SIX DWID AZ0408122 Groundwater 560 38
HOLIDAY HILLS DWID AZ0413035 Groundwater 150 29
RANCH WATER SERVICE INC AZ0408082 Groundwater 135 339
MAJESTIC VIEW WATER IMPROVEMENT DISTRICT AZ0403044 Groundwater 70 222
LAKE JUNIPER COUNTY IMPROVEMENT DISTRICT AZ0408145 Groundwater 63 5

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