Oakwood, IL: 1 Violation — 65/100 (2026)
1 ZIP code · 4 water systems · Updated 2026-06-03
If you're checking Oakwood, IL tap water safety, the short answer is: average — violations are present in parts of the city and specifics depend on which water system serves your address.
How Oakwood Compares
Data: EPA SDWIS Last verified: 2026-06-03
What You Should Know About Oakwood Water
- Your city's water systems recorded 1 violation in the past 5 years.
- Average lead level: 0.0017 mg/L.
- Homes built before 1986: 63% — older plumbing may contain lead solder.
- Estimated remediation: $3,000 per household.
- CDC health risk index: 15.57 — above typical levels.
Who Supplies Your Water in Oakwood
3 independent water providers serve Oakwood, IL — 4 systems appear in federal records.
Overview
We track water quality and home safety data for 1 ZIP code in Oakwood, Illinois (population ~2,716), covering 4 community water systems serving approximately 5,447 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 Oakwood: C (65/100)
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
Oakwood water systems draw from: Groundwater, Surface water.
Lead & Copper
- Average lead level (90th percentile): 0.0017 mg/L (EPA action level: 0.015 mg/L)
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 1 (High 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 | 2 | 1 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 61858 | C | 1 | 0 | Catlin |
All ZIP Codes in Oakwood
- 61858 [C] — 1 violation
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.
Health Outcomes in Oakwood
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
Top Contaminants in Oakwood Water
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
Housing & Infrastructure in Oakwood
With 63% 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
Because the majority of Oakwood's housing predates 1986, when lead solder was banned from new plumbing, the median build year of 1973 reflects a city where lead-era plumbing materials are common rather than exceptional.
Over half of homes in Oakwood 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.
Cost Context: What Remediation Means for Oakwood Homeowners
In Oakwood, the remediation-to-property-value ratio is elevated enough that homeowners who identify documented issues early have an advantage — understanding the scope, sequencing by urgency, and phasing the work against household budget capacity are the practical levers that determine whether remediation feels manageable or overwhelming at this equity tier.
At 2.4% of home value, remediation costs in Oakwood represent a significant financial burden. For homes valued near the median, fixing water and safety issues could cost $2,000–$4,000. Home values here are 33% below the Illinois average.
Lead Exposure Risk for Children in Oakwood
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.
Routinely in Oakwood, where 63% of housing predates the solder ban and aggregate utility readings hover near the federal threshold, a faucet-level draw functions as a standard household step for families with small kids.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Flood & Climate Risk in Oakwood
Flood risk in Oakwood occupies the middle ground: 20 NFIP claims and 100% of local ZIP codes within FEMA flood zones. At that level, the risk pathways connecting flooding to water quality — treatment system stress, well infiltration, distribution backflow — become relevant considerations during significant flood events, even if day-to-day water quality is unaffected by flood history.
Oakwood has a moderate flood history with 20 FEMA claims averaging $47,521 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>$3,000</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 Oakwood
- Test your water at home. City-level data shows averages — your tap may differ. NSF-certified test kits cost $20-40 and give results in days.
- Install a certified water filter. Filters rated for Stage 1 DBP Rule can reduce the most common contaminant found in Oakwood's water.
- Check your home's plumbing. With 63% of homes built before 1986, lead solder is a real possibility.
Deep Dive Reports
Detailed analysis for Oakwood, IL