Water Quality in Dekalb, IL (60556)

EPA violation data for public water systems serving ZIP code 60556.

No Health-Based Violations

None of the 10 water systems serving this ZIP have exceeded federal contaminant limits in the past 5 years. There are11 monitoring/reporting violations (missed testing deadlines), all resolved.

Better than 68% of US ZIP codes.

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

2,138

Population

10

Water Systems

11

Violations (5yr)

0

Health-Based

Location

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Water Systems Serving This Area (10)

Dekalb

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

Kaneland High School

All resolved
Groundwater 1,800 people served
7 violations (5yr) · All resolved
Lead tested: 4.1 ppb (limit: 15 ppb)

Waterman

Groundwater 1,506 people served
0 violations
Lead tested: 8.77 ppb (limit: 15 ppb)

Kauffman Turkey Farm

Groundwater 100 people served
0 violations

Bayer Co - Waterman Research Facility

Groundwater 50 people served
2 violations (5yr)
Lead tested: 0.6 ppb (limit: 15 ppb)

Deep Rock Gas

Groundwater 25 people served
0 violations

Waterman Winery And Vineyards Inc

Groundwater 25 people served
0 violations

Ray & Flo'S Cafe

Groundwater 25 people served
0 violations

Deep Rock Gas

Groundwater 25 people served
0 violations

Kaufman Turkey Farm

Groundwater 25 people served
0 violations

Contaminants Found

ChlorineMonitoring

Used to disinfect water — generally safe at regulated levels.

5 violations
All resolved
Revised Total Coliform RuleMonitoring

Missed testing deadlines — not a detection of bacteria.

2 violations
All resolved
Lead and Copper RuleMonitoring

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

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 & Copper Levels

Lead (Pb)

Approaching limit
11 ppb measured Action level: 15 ppb

Sampled: Jan 2025

How Does This Compare?

Dekalb (60556) has more violations than 68% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 11, most of which are monitoring/reporting issues.

Fewer violations 68th percentile More violations

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.

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