Water Quality in Portland, OR (97204)
EPA violation data for public water systems serving ZIP code 97204.
Active Health Violations
13 health-based violations found in the past 5 years, with at least one still unresolved. Contaminant levels have exceeded federal safety limits. Consider testing your tap water independently.
More violations than 92% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
885
Population
17
Water Systems
55
Violations (5yr)
13
Health-Based
Location
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Water Systems Serving This Area (17)
Portland Water Bureau
All resolvedGresham, City Of
All resolvedRockwood Pud
Pacific Power & Light Co
Washington County Railroad
1 health-basedShady Oaks Estates
5 health-basedHighline Oaks Water Utility
2 health-basedMontgomery Place Water System
2 health-basedEverett Square Windcrest Estates
2 health-basedPge River Mill Park
Rose Hill Estates Subdivision
Seavey Loop Water Company
Timber Creek Estates
1 health-basedPge-Beaver Generating Station
Arrah Wanna Water Co%Jack Dunn
Saddle Dam Park
Bridal Veil Water System
Contaminants Found
Lead and copper testing requirement. Lead exposure can cause developmental harm in children.
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: Jul 2025
Copper (Cu)
Exceeds limitSampled: Jan 2022
How Does This Compare?
Portland (97204) has more violations than 92% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 55.
Recommended Water Filters
Based on health-based violations detected in your area, these filter types are commonly used to address similar contaminants. Consult your water utility's Consumer Confidence Report for the most current data.
Reverse Osmosis System
Highly effective at removing heavy metals, dissolved solids, and a wide range of contaminants. Recommended for homes with lead or arsenic concerns.
Targets:Lead, Copper, Arsenic, Mercury, Cadmium
Look for:NSF/ANSI 58 certified
Always look for filters certified by NSF International for the specific contaminants you want to remove. This is general educational information, not an endorsement of any specific product.