Water Quality in Greenwood, IN (46311)
EPA violation data for public water systems serving ZIP code 46311.
Active Health Violations
6 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 94% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
23,321
Population
12
Water Systems
74
Violations (5yr)
6
Health-Based
Location
Loading map...
Water Systems Serving This Area (12)
Indiana American Water - Northwest
Hammond Water Works Department
All resolvedCrown Point Water Works
All resolvedSchererville Water Department
Dyer Water Department
Dyer Gas & Food D/B/A Always Open
Dyer Indoor Soccer Arena
Cornerstone Protestant Reformed
Zion United Church Of Christ
All resolvedGrace Lutheran Church
All resolvedAutomotive Service Center Ii
Meyers Castle
6 health-basedContaminants Found
Missed testing deadlines — not a detection of bacteria.
At high levels, nitrate can cause blue baby syndrome in infants.
Lead and copper testing requirement. Lead exposure can cause developmental harm in children.
Annual water quality report delivery requirement.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jan 2025
How Does This Compare?
Greenwood (46311) has more violations than 94% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 74.
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.
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.