Water Quality in Portland, OR (97266)
EPA violation data for public water systems serving ZIP code 97266.
No Health-Based Violations
None of the 11 water systems serving this ZIP have exceeded federal contaminant limits in the past 5 years. There are40 monitoring/reporting violations (missed testing deadlines), all resolved.
Better than 88% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
35,423
Population
11
Water Systems
40
Violations (5yr)
0
Health-Based
Location
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Water Systems Serving This Area (11)
Portland Water Bureau
All resolvedGresham, City Of
All resolvedRockwood Pud
Barwell Park Water District
Central Church Of The Nazarene
All resolvedOdot P&R Alderwood Wy
Zig Zag Mountain Store
All resolvedOdot Hd Bridal Veil St Pk
Arcadia Water Supply
Rb Community Water
All resolvedStabler Water System
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 2025
How Does This Compare?
Portland (97266) has more violations than 88% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 40, 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.