Water Quality in Greenwood, IN (46356)
EPA violation data for public water systems serving ZIP code 46356.
Active Health Violations
3 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 90% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
19,721
Population
25
Water Systems
45
Violations (5yr)
3
Health-Based
Location
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Water Systems Serving This Area (25)
Indiana American Water - Northwest
Hammond Water Works Department
All resolvedSchererville Water Department
Crown Point Water Works
All resolvedLake Prairie Elementary
Fairway Regional Water District
1 health-basedConelas Restaurant
Dc Country Junction
Northern Indiana Material
Usa Family Restaurant
First Church Of The Nazarene
36 Skate Club
Michaels Café
Dalecarlia Bible Church
State Police District 13
The Pantry
Agsw Enterprises Dba Lake Dale Ale
1 health-basedBuckley Homestead - Visitor Center
Herr Farms Ag. Camp
Buckley Homestead - School Hand Pump
Buckley Homestead-Pioneer Farm Hand Pump
Buckley Homestead - 1910 Farm
1 health-basedRivers Edge Bar & Grill
Buckley Homestead - Observatory
Wagon Wheel Inn/Welsh Oil Co.
Contaminants 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: Jan 2025
Copper (Cu)
Exceeds limitSampled: Jan 2023
How Does This Compare?
Greenwood (46356) has more violations than 90% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 45.
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.