Water Quality: Manhattan, KS

7 water systems • 57,785 people served

Multiple Health Violations
50
Total Violations
4
Health-Based Violations
7
Water Systems
57,785
Population Served

Water Quality Summary

Manhattan is served by 7 public water systems with a combined service population of 57,785 people, and has 50 EPA Safe Drinking Water Act violations on record. Critically, 4 of those are health-based violations, meaning one or more contaminants were detected above EPA-established safe levels — a serious public health concern. Manhattan's violation count is 28% above the national average for Kansas. Contaminants associated with violations include Disinfection Byproducts, E. coli.

Contaminants Found

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)

Water Systems Serving Manhattan

System Name PWSID Source Population Violations
MANHATTAN, CITY OF KS2016112 Groundwater 54,763 0
RILEY CO RWD 1 KS2016135 Groundwater 2,108 1
KONZA VALLEY WATER BENEFIT DISTRICT KS2016109 Groundwater 345 4
HUNTERS ISLAND WATER DISTRICT KS2016134 Groundwater 200 5
UNIVERSITY PARK WATER DISTRICT KS2016103 Groundwater 199 4
ROCKY FORD MOBILE HOME COURT KS2014918 Groundwater 120 4
TUTTLE CC MOBILE HOME PARK, LLC KS2016102 Groundwater 50 32

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 Kansas

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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 KS