Water Quality: Granger, WY

1 water system • 139 people served

Multiple Health Violations
34
Total Violations
6
Health-Based Violations
1
Water Systems
139
Population Served

Water Quality Summary

Granger is served by 1 public water system with a combined service population of 139 people, and has 34 EPA Safe Drinking Water Act violations on record. Critically, 6 of those are health-based violations, meaning one or more contaminants were detected above EPA-established safe levels — a serious public health concern. Granger's violation count is 73% below the national average for Wyoming. Contaminants associated with violations include Bromate, E. coli, TTHM.

Contaminants Found

Bromate

Probable human carcinogen that increases the risk of kidney and thyroid cancers.

Common source: Ozonation of bromide-containing water; used as flour improver

EPA limit: 0.010 mg/L (10 ppb)

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)

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 Granger

System Name PWSID Source Population Violations
GRANGER, TOWN OF WY5600020 Surface Water 139 34

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.

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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 WY