Water Quality in Centralia, WA (98356)
EPA violation data for public water systems serving ZIP code 98356.
No Health-Based Violations
None of the 11 water systems serving this ZIP have exceeded federal contaminant limits in the past 5 years. There are4 monitoring/reporting violations (missed testing deadlines), all resolved.
Better than 48% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
2,172
Population
11
Water Systems
4
Violations (5yr)
0
Health-Based
Location
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Water Systems Serving This Area (11)
Centralia Public Works - Water
All resolvedMorton City Of
All resolvedCarters Country Roadhouse And Pub
Morton Forest Products (Wtd)
Morton Forest Prod.
Cowlitz Falls Campground
Cascade Mhp
Cowlitz Falls Road Project
Morton Fire Crew Camp
Rom Mutual Water Company
Mains Gift Shop
Contaminants Found
Missed testing deadlines — not a detection of bacteria.
Annual water quality report delivery requirement.
Lead and copper testing requirement. Lead exposure can cause developmental harm in children.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jan 2025
How Does This Compare?
Centralia (98356) has more violations than 48% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 4, 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.