Water Quality in Medford, OR (97503)
EPA violation data for public water systems serving ZIP code 97503.
Active Health Violations
1 health-based violation 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 87% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
13,938
Population
20
Water Systems
39
Violations (5yr)
1
Health-Based
Location
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Water Systems Serving This Area (20)
Medford Water Commission
All resolvedAshland Water Department
Central Point, City Of
All resolvedAmity Locust Grove Lds Church
All resolvedNampa Northside Lds Church
Raineys Corner Market
All resolvedMon Desir Dining Room
Stop And Go Market #3
All resolvedAntelope Acres Mobile Home Est
White City Christian Church
Mountain View Mobile Plaza
Trinity Baptist Church
Sams Valley Community Church
All resolvedWhite City First Assembly/God
Crater Lake Rv Park
Lakewood Rv Park
1 health-basedNatzuhini Camp
Lakewoods Water District
West Dutton Condo Association
Love Ministries
Contaminants Found
At high levels, nitrate can cause blue baby syndrome in infants.
Missed testing deadlines — not a detection of bacteria.
Annual water quality report delivery requirement.
Lead and copper testing requirement. Lead exposure can cause developmental harm in children.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jul 2025
How Does This Compare?
Medford (97503) has more violations than 87% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 39.
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
One of the few filtration methods effective at removing nitrates and nitrites. Essential for households with infants.
Targets:Nitrate, Nitrite, Dissolved Solids
Look for:NSF/ANSI 58 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.