Water Quality: Seward, NE
1 water system • 7,700 people served
Multiple Health ViolationsWater Quality Summary
Seward is served by 1 public water system with a combined service population of 7,700 people, and has 13 EPA Safe Drinking Water Act violations on record. Critically, 11 of those are health-based violations, meaning one or more contaminants were detected above EPA-established safe levels — a serious public health concern. Seward's violation count is roughly in line with the national average for Nebraska. Contaminants associated with violations include Arsenic, Disinfection Byproducts, Nitrate.
Contaminants Found
Long-term exposure increases risk of skin, bladder, and lung cancers, as well as cardiovascular and neurological effects.
Common source: Natural rock deposits, agricultural pesticides, industrial waste
EPA limit: 0.010 mg/L (10 ppb)
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
Causes methemoglobinemia (blue baby syndrome) in infants, reducing the blood's ability to carry oxygen.
Common source: Fertilizer runoff, septic systems, animal feedlots, natural deposits
EPA limit: 10 mg/L (as nitrogen)
Water Systems Serving Seward
| System Name | PWSID | Source | Population | Violations |
|---|---|---|---|---|
| SEWARD, CITY OF | NE3115905 | Groundwater | 7,700 | 13 |
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 Nebraska
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.