Water Quality: Northport, WA
2 water systems • 384 people served
Some ConcernsWater Quality Summary
Northport is served by 2 public water systems with a combined service population of 384 people, and has 5,604 EPA Safe Drinking Water Act violations on record. Critically, 3 of those are health-based violations, meaning one or more contaminants were detected above EPA-established safe levels — a serious public health concern. Northport's violation count is 3358% above the national average for Washington. Contaminants associated with violations include E. coli, Selenium.
Contaminants Found
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)
Hair loss, nail brittleness, and nervous system damage at elevated concentrations.
Common source: Natural geological deposits, mining discharges, oil refinery waste
EPA limit: 0.05 mg/L (50 ppb)
Water Systems Serving Northport
| System Name | PWSID | Source | Population | Violations |
|---|---|---|---|---|
| NORTHPORT WATER SYSTEM | WA5361850 | Groundwater | 290 | 83 |
| MARBLE WATER SYSTEM | WA5301649 | Groundwater | 94 | 5521 |
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 Washington
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.