Water Quality in Dekalb, IL (60550)

EPA violation data for public water systems serving ZIP code 60550.

Based on EPA compliance data. Not a substitute for an official water quality report from your utility.

941

Population

7

Water Systems

8

Violations (5yr)

2

Health-Based

Location

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Water Systems Serving This Area (7)

Dekalb

Groundwater 45,000 people served
2 violations (5yr)
Lead tested: 11 ppb (limit: 15 ppb)

Shabbona

Groundwater 881 people served
2 violations (5yr)
Lead tested: 6.24 ppb (limit: 15 ppb)

Silver Springs State Park (94185)

2 health-based
Groundwater 750 people served
4 violations (5yr) · 2 health-based

Shabbona State Park

Groundwater 100 people served
0 violations

Serena Cafe

Groundwater 52 people served
0 violations

Indian Oaks Golf Club

Groundwater 25 people served
0 violations

Indian Oaks Country Club

Groundwater 25 people served
0 violations

Contaminants Found

Revised Total Coliform RuleHealth-Based

Missed testing deadlines — not a detection of bacteria.

2 violations
Has active
Consumer Confidence RuleMonitoring

Annual water quality report delivery requirement.

1 violation
Has active
Combined Radium (-226 and -228)Monitoring
1 violation
All resolved
LEAD AND COPPER RULE REVISIONSMonitoring
1 violation
Has active
Lead and Copper RuleMonitoring

Lead and copper testing requirement. Lead exposure can cause developmental harm in children.

1 violation
All resolved
Public NoticeMonitoring
1 violation
Has active
NitrateMonitoring

At high levels, nitrate can cause blue baby syndrome in infants.

1 violation
All resolved

Lead & Copper Levels

Lead (Pb)

Within limit
6.24 ppb measured Action level: 15 ppb

Sampled: Jul 2025

How Does This Compare?

Dekalb (60550) has more violations than 62% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 8.

Fewer violations 62th percentile More violations

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.

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