Water Quality in Portland, OR (97133)
EPA violation data for public water systems serving ZIP code 97133.
No Health-Based Violations
None of the 15 water systems serving this ZIP have exceeded federal contaminant limits in the past 5 years. There are12 monitoring/reporting violations (missed testing deadlines), all resolved.
Better than 70% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
5,416
Population
15
Water Systems
12
Violations (5yr)
0
Health-Based
Location
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Water Systems Serving This Area (15)
Portland Water Bureau
All resolvedTualatin Valley Water District
Hillsboro, City Of
All resolvedBeaverton, City Of
All resolvedGresham, City Of
All resolvedRockwood Pud
Tigard, City Of
All resolvedFrank Tankersleys Labor Camp
North Plains School Dist 70
Camp Mountaindale
Hornings Hideout
All resolvedPumpkin Ridge Golf Club #1
Pumpkin Ridge Golf Club #2
Hog Wash Rv Park
Restful Haven Health Club Inc
All resolvedContaminants 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?
Portland (97133) has more violations than 70% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 12, 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.