Water Quality in Portland, OR (97233)
EPA violation data for public water systems serving ZIP code 97233.
No Health-Based Violations
None of the 6 water systems serving this ZIP have exceeded federal contaminant limits in the past 5 years. There are7 monitoring/reporting violations (missed testing deadlines), all resolved.
Better than 60% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
36,236
Population
6
Water Systems
7
Violations (5yr)
0
Health-Based
Location
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Water Systems Serving This Area (6)
Portland Water Bureau
All resolvedGresham, City Of
All resolvedRockwood Pud
Mobile Estates Corp Trailer Pk
Mobile Village
Lynch Water Co-Op Inc
All resolvedContaminants 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 2025
How Does This Compare?
Portland (97233) has more violations than 60% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 7, 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.