Water Quality in Happy Valley, OR (97038)
EPA violation data for public water systems serving ZIP code 97038.
Active Health Violations
16 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.
16,440
Population
39
Water Systems
187
Violations (5yr)
16
Health-Based
Location
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Water Systems Serving This Area (39)
Sunrise Water Authority
Lake Oswego Municipal Water
All resolvedMolalla, City Of
All resolvedUsfs Timberline Lodge 1
3 health-basedTimberline Rim Water Co Inc
1 health-basedMeadowbrook Grocery
All resolvedCountry Christian School
1 health-basedMolalla River Sd Rural Dell Elem
All resolvedRsg Forest Products Inc
Canby Regency
2 health-basedPetes Mountain Water Co
1 health-basedMolalla River Academy
All resolvedMolalla River Sd - Clarkes Elem
All resolvedForest Haven Subdivision
All resolvedTrout Creek Water Association
Bethel Park
1 health-basedWunder Mobile Park
2 health-basedInterfor Pacific Inc
All resolvedYouth With A Mission
2 health-basedBlackmans 4-Way Grocery
All resolvedBig Burger Drive-In
Molalla Alternative Options School
Zig Zag Village Water System
1 health-basedForest Park Mobile Village
All resolvedMolalla Hs Ag Bldg
Molalla Hs Agriculture Bldg
Camp Adams
All resolvedFaith Custom Learning
All resolvedCedardale Store
Avison Lumber Co
Totem Village Mhp--% Mrs.Rowe
Bob'S Meat
Molalla Retreat Center
Mt Hood Brewing Company
All resolvedTitanic Ice Inactive
Summit Cafe
All resolvedTitanic Ice Co
Liberal Ranchos Hoa
1 health-basedDickey Prairie Store & Mhp
1 health-basedContaminants 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.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jul 2025
How Does This Compare?
Happy Valley (97038) has more violations than 98% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 187.
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.