Water Quality in Medford, OR (97535)
EPA violation data for public water systems serving ZIP code 97535.
No Health-Based Violations
None of the 8 water systems serving this ZIP have exceeded federal contaminant limits in the past 5 years. There are21 monitoring/reporting violations (missed testing deadlines), all resolved.
Better than 79% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
4,804
Population
8
Water Systems
21
Violations (5yr)
0
Health-Based
Location
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Water Systems Serving This Area (8)
Medford Water Commission
All resolvedAshland Water Department
Central Point, City Of
All resolvedPhoenix, City Of
All resolvedPhoenix Sports Park
Farmers Market
All resolvedHis Valley Church
All resolvedRising Sun Farms Inc
All resolvedContaminants Found
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.
At high levels, nitrate can cause blue baby syndrome in infants.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jul 2025
How Does This Compare?
Medford (97535) has more violations than 79% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 21, 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.