Water Quality in Corvallis, OR (97330)
EPA violation data for public water systems serving ZIP code 97330.
Active Health Violations
10 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 95% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
43,878
Population
49
Water Systems
77
Violations (5yr)
10
Health-Based
Location
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Water Systems Serving This Area (49)
Corvallis, City Of
Adair Village Water System
All resolvedSunset Inn-C/O Larry Tomason
Knoll Terrace Park
1 health-basedVineyard Mountain Water
All resolvedRuss Day-N-Nite Market Gas
Dari Mart,% Gary Strarube
Childrens Farm Home Campus
All resolvedCorvallis Market
1 health-basedCorvallis Waldorf Association
3 health-basedCalvary Corvallis
All resolvedTangent Family Market
City Limits
Pub, The
North Corvallis Mhp-Well #1
1 health-basedCorvallis Mobile Home Park
Garland Nursery
1 health-basedRidgewood Dist Improv Co
1 health-basedLittle Beavers Preschool #1
All resolvedRaintree Estates
Woodland Park Mobile Homes
Rainbow Trout Gardens
Tennis West
Jackson Creek Water Association
1 health-basedCew Tourist Motel
Flomatcher Inc
Holiday El Campo
Roll-A-Way Llc
Life Community Church
1 health-basedFall Creek
Little Beavers Preschool #2
G3 Sports And Fitness
All resolvedPbw Investors,Inc.
Paul'S Coney Island
Tunnel Radio Of America
All resolvedLittle Albany Water System
Hidden Valley Estates
Glenridge Impro. Dist.
Deter Water System
Helen Dr.Duplex W.S.% H.Jones
Valley Little School Day Care
Osu Research Forests
Noble Ave.Duplex W.S.
Westminster Presbyterian Church
Comcast
Twin Maple Water System
North Corvallis Mhp-Well #2
Ethel'S House Day Care
Loren Coleman W.S.
Contaminants Found
Missed testing deadlines — not a detection of bacteria.
Lead and copper testing requirement. Lead exposure can cause developmental harm in children.
At high levels, nitrate can cause blue baby syndrome in infants.
Annual water quality report delivery requirement.
Lead & Copper Levels
Lead (Pb)
Exceeds limitSampled: Jul 2025
Copper (Cu)
Exceeds limitSampled: Jan 2022
How Does This Compare?
Corvallis (97330) has more violations than 95% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 77.
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.