Water Quality in Cosmopolis, WA (98537)
EPA violation data for public water systems serving ZIP code 98537.
No Health-Based Violations
None of the 8 water systems serving this ZIP have exceeded federal contaminant limits in the past 5 years. There are8 monitoring/reporting violations (missed testing deadlines), all resolved.
Better than 62% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
2,820
Population
8
Water Systems
8
Violations (5yr)
0
Health-Based
Location
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Water Systems Serving This Area (8)
Weyerhaeuser Company
Holbrook'S Country Store
North River School Dist 200
All resolvedHighland Golf Course Ws
Holbrook Country Store
Artic Tavern And Rv Park
Winkleman Heights
Brooklyn Tavern
Contaminants Found
Missed testing deadlines — not a detection of bacteria.
At high levels, nitrate can cause blue baby syndrome in infants.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jan 2022
How Does This Compare?
Cosmopolis (98537) has more violations than 62% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 8, most of which are monitoring/reporting issues.
Water Filter Recommendations
No contaminant issues detected. For general protection, a basic carbon filter removes common impurities like chlorine and sediment. Look for NSF/ANSI 42 certified products.