Water Quality in Portland, OR (97056)
EPA violation data for public water systems serving ZIP code 97056.
Active Health Violations
7 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 98% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
12,795
Population
41
Water Systems
154
Violations (5yr)
7
Health-Based
Location
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Water Systems Serving This Area (41)
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 resolvedSt Helens, City Of
All resolvedScappoose, City Of
1 health-basedScappoose Market
Sauvie Island School
All resolvedSigler Cove Marina
All resolvedFischers Place Mhp
Columbia Acres Water Assoc
1 health-basedScappoose Brew & Thru
All resolvedCoon Island Marina-%H.Sheldon
Deer Island Village Mhp
1 health-basedParadise Moorage
1 health-basedWild Wood Golf Course
Olympic Forest Products
All resolvedTamarack Mobile Home Park
1 health-basedWapato Moorage Association
All resolvedFern View Mobile Home Court
Laurel Ridge Mhp
Cedar Tree Mobile Home Park
All resolvedScharf Restaurant
Monroe Creek Campground
2 health-basedB&B Market & Supply
Stan'S Ribs & Stuff
Valley Of The Moon
All resolvedDikeside Moorage
Skyline Moorage & Marina
All resolvedNeu-Glo Candles, Inc.
Pacific Building Materials
Alpine Food Service
Cinnamon Tree,The
Green Meadows Mhp 1
All resolvedGoss Mobile Home Park
Angels Mexican Restaurant
Blair Marine - Browns Landing
All resolvedFlorence Park Motel
Contaminants Found
Missed testing deadlines — not a detection of bacteria.
Lead and copper testing requirement. Lead exposure can cause developmental harm in children.
Annual water quality report delivery requirement.
At high levels, nitrate can cause blue baby syndrome in infants.
A naturally occurring element that can cause cancer and other health effects at high levels.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jan 2025
How Does This Compare?
Portland (97056) has more violations than 98% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 154.
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
UV Water Purifier
Uses ultraviolet light to neutralize bacteria, viruses, and parasites without chemicals. Ideal for homes with microbial contamination concerns.
Targets:E. coli, Coliform, Giardia, Cryptosporidium
Look for:NSF/ANSI 55 (Class A) 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.