Crest Hill, IL: 3 Health Violations — 72/100 (2026)
1 ZIP code · 3 water systems · Updated 2026-06-03
EPA compliance records for Crest Hill tell a largely clear story: violation rates are low, health-based exceedances are uncommon, and the city's grade puts it well above average within IL.
How Crest Hill Compares
Data: EPA SDWIS Last verified: 2026-06-03
Key Facts for Crest Hill Residents
- Your city's water systems recorded 22 violations in the past 5 years.
- Average lead level: 0.0008 mg/L.
- Homes built before 1986: 45% — older plumbing may contain lead solder.
- Estimated remediation: $2,800 per household.
- CDC health risk index: 11.84.
Crest Hill's Water Providers
Across Crest Hill, IL, residential water comes from 3 primary utilities rather than a single consolidated provider. Each system operates independently — managing its own distribution infrastructure, rate schedules, and EPA compliance filings. Federal records track 3 water systems in the area, with these top providers accounting for the majority of residential connections.
Overview
We track water quality and home safety data for 1 ZIP code in Crest Hill, Illinois (population ~17,226), covering 3 community water systems serving approximately 182,161 people region-wide.
1 of 1 ZIP code (100%) have recorded EPA violations. 3 health-based violations documented.
Home Safety Score
Average Home Safety Score for Crest Hill: B (72/100)
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
Crest Hill water systems draw from: Groundwater.
Lead & Copper
- Average lead level (90th percentile): 0.0008 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 |
|---|---|---|---|
| Stage 1 DBP Rule | Treatment Technique | 10 | 1 |
| Lead and Copper Rule | Treatment Technique | 8 | 1 |
| Surface Water Treatment Rule | Treatment Technique | 6 | 1 |
| Consumer Confidence Report Rule | Reporting | 6 | 1 |
| Revised Total Coliform Rule | Microbiological | 6 | 1 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 60403 | B | 22 | 3 | Crest Hill |
All ZIP Codes in Crest Hill
- 60403 [B] — 22 violations ⚠
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Lead/copper: EPA Lead and Copper Rule sampling data
- Radon: EPA Map of Radon Zones
Updated daily.
Crest Hill Community Health Snapshot
Source: CDC PLACES (County-level estimates). Water contamination can correlate with respiratory and chronic health conditions.
Compared to National Average
Vertical line = national average. ■ Above national · ■ Below national
What's in Crest Hill's Water?
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
Crest Hill Infrastructure Age
With 45% 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
When trying to understand water quality at the household level, the year a home was built often matters more than any city-wide water report. That's because the 1986 federal ban on lead solder in plumbing, and the earlier phase-out of lead pipes before 1970, created sharp discontinuities in residential plumbing risk by construction era. Crest Hill's median build year of 1998 puts the city in the transition zone: a substantial share of the housing stock postdates the solder ban, but a comparable fraction predates it — with the oldest homes carrying both the solder risk and the pipe risk simultaneously. Whether any individual household sits on the safer or riskier side of these thresholds is the key question, and it's one the city-wide median alone can't answer.
Most homes in Crest Hill were built after 1986, reducing the risk of lead contamination from plumbing. Older homes should still be tested.
Source: U.S. Census Bureau ACS B25034.
How Remediation Costs Compare in Crest Hill
Looking at how documented remediation costs fit within Crest Hill property values, the equity share lands in the moderate tier — a finding that positions the household financial perspective between routine maintenance and a significant budget commitment, where most homeowners can successfully address documented issues by treating the expense as a planned financial priority rather than an unexpected one.
Remediation costs are moderate relative to home values in Crest Hill. The estimated $1,500–$4,900 range is manageable for most homeowners but still worth budgeting for. Home values are 21% above the Illinois average.
Crest Hill: Lead Risk & Vulnerable Populations
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.
Older interior plumbing shapes the local picture: 45% of Crest Hill homes predate the federal solder ban, and aggregate sampling either approaches or crosses the action benchmark. That mix makes a single-home draw a standard pre-purchase or pre-occupancy step.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Crest Hill: Flood History & Water Damage Risk
How does Crest Hill's flood record connect to local water quality? The NFIP documents 14 claims — enough to signal recurring events — and 100% of ZIP codes carry FEMA flood zone status. That combination places flooding in the category of factors that can periodically affect water infrastructure, even if the area isn't among the highest-exposure communities in the NFIP dataset.
Crest Hill has a moderate flood history with 14 FEMA claims averaging $8,564 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>$2,800</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.
Deep Dive Reports
Detailed analysis for Crest Hill, IL