Water Quality in Portland, OR (97236)
EPA violation data for public water systems serving ZIP code 97236.
No Health-Based Violations
None of the 11 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.
37,558
Population
11
Water Systems
12
Violations (5yr)
0
Health-Based
Location
Loading map...
Water Systems Serving This Area (11)
Portland Water Bureau
All resolvedGresham, City Of
All resolvedRockwood Pud
Gilbert Water District
Pleasant Valley Elementary
All resolvedMobile Estates Corp Trailer Pk
Springers Flea Market
Happy Valley Mobile Home Park
Lakeside Gardens Restaurant
Burnt River Terrace % Sue Tuno
Wooded Hills Water Co-Op
Contaminants Found
Missed testing deadlines — not a detection of bacteria.
At high levels, nitrate can cause blue baby syndrome in infants.
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 (97236) 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.