CITY REPORT IL

Wauconda, IL: 1 Violation — 46/100 (2026)

1 ZIP code · 3 water systems · Updated 2026-06-03

Federal monitoring data for Wauconda puts the city in IL's lower safety tier — exceedances show up in multiple utility districts, several systems have met thresholds requiring public notification under the Safe Drinking Water Act, and the compliance deficit has persisted across more than one consecutive reporting cycle, with no clear reversal visible in the most recent data available.

How Wauconda Compares

Wauconda46/100
Illinois avg61/100
National avg67/100

Data: EPA SDWIS Last verified: 2026-06-03

1
ZIP Codes
3
Water Systems
1
ZIPs with Violations
D · 46
Avg Safety Score
Zone 2
Radon Risk (Moderate)
$283K
Median Home Value
$1,600
Est. Remediation (0.6% of home value)

Key Facts for Wauconda Residents

  • Your city's water systems recorded 1 violation in the past 5 years.
  • Average lead level: 0.015 mg/L.
  • Homes built before 1986: 53% — older plumbing may contain lead solder.
  • Estimated remediation: $1,600 per household.
  • CDC health risk index: 11.37.

Wauconda's Water Providers

Federal records list 3 water systems tied to Wauconda, IL. Of those, 3 are the primary providers, meaning service conditions, rate structures, and compliance histories can differ depending on where a property sits.

Round Lake
Serves ~18,430 people · 1 violation
46
/100
Wauconda
Serves ~14,084 people · 1 violation
46
/100
Island Lake
Serves ~8,066 people · 1 violation
46
/100

Overview

We track water quality and home safety data for 1 ZIP code in Wauconda, Illinois (population ~17,267), covering 3 community water systems serving approximately 40,580 people region-wide.

1 of 1 ZIP code (100%) have recorded EPA violations. All violations are monitoring/reporting type.

Home Safety Score

Average Home Safety Score for Wauconda: D (46/100)

The score combines three factors:

Factor What It Measures
Water Quality EPA violations and compliance history
Lead Levels 90th percentile lead concentration vs EPA action level
Radon Risk EPA radon zone classification

Water Sources

Wauconda water systems draw from: Surface water.

Lead & Copper

  • Average lead level (90th percentile): 0.0150 mg/L (EPA action level: 0.015 mg/L)
  • 0 ZIP codes exceed the EPA lead action level

Radon Risk

Dominant radon zone: Zone 2 (Moderate Risk)

The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.

Top Contaminants

Contaminant Category Violations ZIPs Affected
Surface Water Treatment Rule Treatment Technique 2 1

Areas with Most Violations

ZIP Code Safety Score Violations Health-Based System
60084 D 1 0 Wauconda

All ZIP Codes in Wauconda

  • 60084 [D] — 1 violation

Data Sources

Updated daily.

Wauconda Community Health Snapshot

9.1%
Asthma (US: 9.8%)
11.2%
Diabetes (US: 10.4%)
14.1%
Poor Mental Health (US: 14.8%)

Source: CDC PLACES (County-level estimates). Water contamination can correlate with respiratory and chronic health conditions.

Compared to National Average

Asthma 9.1% ↓
Diabetes 11.2% ↑
Mental Health 14.1% ↓

Vertical line = national average. Above national · Below national

What's in Wauconda's Water?

Surface Water Treatment Rule 2 violations
Treatment Technique
Pathogens may not be adequately removed

Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.

Wauconda Infrastructure Age

1986
Median Build Year
53%
Built Before 1986
19%
Built Before 1970
Copper
Likely Pipe Material

With 53% of homes built before 1986, lead solder in plumbing is a potential concern. The EPA banned lead solder in 1986, but many older homes retain original plumbing.

Source: U.S. Census Bureau American Community Survey (ACS).

Housing Age Profile

Pre-1986 plumbing is not a rare legacy case in Wauconda — it's the dominant profile. The median build year of 1986 indicates a housing stock where lead-soldered copper joints are a common structural feature of residences across the city.

1986
Median Year Built
53%
Pre-1986 (Lead Paint Risk)
19%
Pre-1970 (Lead Pipes Risk)
Pre-1970 (19%) 1970–1986 (34%) Post-1986 (47%)

Over half of homes in Wauconda were built before 1986, when lead solder was banned. Older plumbing may leach lead into drinking water, especially with corrosive water chemistry.

Source: U.S. Census Bureau ACS B25034.

How Remediation Costs Compare in Wauconda

In Wauconda, the equity impact of remediation is proportionally small — not the kind of financial commitment that rises to the level of a genuine planning constraint, but a minor share of what most properties here are worth.

Median Home Value
$283,300
Est. Remediation
$1,600
Remediation as % of home value 0.6%

Remediation costs in Wauconda are relatively low compared to home values. The $800–$2,600 estimated range is a small fraction of median property value. Home values are 54% above the Illinois average.

Wauconda: Lead Risk & Vulnerable Populations

53%
Homes Built Before 1986
0.015
mg/L Avg Lead (Limit: 0.015)

Why children are most at risk: The CDC states there is no safe level of lead exposure for children. Children under 6 absorb lead more readily than adults, and even low levels can cause developmental delays, learning difficulties, and behavioral problems.

Despite citywide averages serving as the standard public reference point, those aggregates cannot resolve what is happening at one specific faucet — and where 53% of Wauconda homes come from before the solder rule or where utility samples sit at or above the action mark, the gap between system data and faucet reality matters more than it does in lower-exposure communities. An in-home draw closes that gap, with certified filtration through retailer networks available where confirmed faucet results warrant additional measures.

Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.

Wauconda: Flood History & Water Damage Risk

Across the NFIP's long tracking period, Wauconda shows 53 claims and 100% of ZIP codes within FEMA-designated flood zones — figures that place it in moderate flood exposure territory. At this level, the water-quality implications of flooding — contaminated wells, stressed treatment intake, distribution backflow — move from theoretical edge cases to genuine periodic risks, particularly during higher-severity events.

53
Total FEMA Flood Claims
$5,815
Avg Claim Payout
100%
ZIPs in FEMA Flood Zones
~3
Est. Claims/Year

Wauconda has a moderate flood history with 53 FEMA claims averaging $5,815 per payout. 100% of ZIP codes fall within FEMA flood zones. Flood events can contaminate drinking water and overwhelm treatment systems.

How flooding affects water quality: Flood events can introduce sewage, agricultural runoff, and industrial chemicals into water supplies. Even after floodwaters recede, contamination can persist in wells and aging infrastructure. Flood damage can add significantly to the estimated <strong>$1,600</strong> remediation cost per household.

Residents in flood-prone areas should consider flood insurance even outside FEMA zones — over 25% of flood claims come from low-to-moderate risk areas. After any flood event, test your water before drinking.

Source: FEMA National Flood Insurance Program (NFIP) claims data, FEMA flood zone designations.

What You Can Do in Wauconda

  1. Test your water at home. City-level data shows averages — your tap may differ. Lead testing is especially recommended given the area's lead levels.
  2. Install a certified water filter. Filters rated for Surface Water Treatment Rule can reduce the most common contaminant found in Wauconda's water.
  3. Check your home's plumbing. With 53% of homes built before 1986, lead solder is a real possibility.
  4. Review your water system's CCR. Your utility publishes an annual Consumer Confidence Report with detailed test results. Request it or find it online.

Frequently Asked Questions

Is the water safe to drink in Wauconda, IL?
Wauconda has an average water safety score of 46/100 (Grade D). 1 EPA violation has been recorded. Check individual ZIP code reports for details specific to your neighborhood.
How many water violations does Wauconda have?
Wauconda water systems have a total of 1 EPA violation. Violations are tracked across 1 ZIP code.
Does Wauconda water have lead?
The average 90th-percentile lead level in Wauconda is 0.015 mg/L. This is below the EPA action level of 0.015 mg/L. Lead levels can vary by home — testing is recommended especially in older properties.
How does Wauconda compare to Illinois average?
Wauconda has an average water safety score of 46/100, which is below the Illinois state average of 61/100.
How many water systems serve Wauconda?
Wauconda is served by 3 public water systems across 1 ZIP code, serving approximately 17,267 people.
How much does it cost to fix water issues in Wauconda?
Estimated remediation costs in Wauconda average $1,600 per household, ranging from $800 to $2,600. Costs include filtration, pipe replacement, radon mitigation, and flood protection.
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