Water Quality: Jackson, MS

4 water systems • 218,596 people served

Multiple Health Violations
151
Total Violations
127
Health-Based Violations
4
Water Systems
218,596
Population Served

Water Quality Summary

Jackson is served by 4 public water systems with a combined service population of 218,596 people, and has 151 EPA Safe Drinking Water Act violations on record. Critically, 127 of those are health-based violations, meaning one or more contaminants were detected above EPA-established safe levels — a serious public health concern. Jackson's violation count is 115% above the national average for Mississippi. Contaminants associated with violations include Bromate, Chlorine Dioxide, Disinfection Byproducts, 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)

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

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)

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)

Total Haloacetic Acids (HAA5)

Haloacetic acids are associated with increased cancer risk and potential reproductive and developmental effects.

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

EPA limit: 0.060 mg/L (60 ppb)

Water Systems Serving Jackson

System Name PWSID Source Population Violations
CITY OF JACKSON MS0250008 Surface Water 189,673 110
CITY OF JACKSON-MADDOX RD. MS0250012 Groundwater 28,098 30
HINDS CO DETENTION CTR MS0250097 Groundwater 800 11
HINDS CO DETENTION CENTER-GALLATIN ST MS0250105 Groundwater 25 0

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 Mississippi

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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 MS