CITY REPORT IL

Dewey, IL: 6 Violations - Home Safety Score unavailable

1 ZIP code · 2 water systems · Updated

Data: EPA SDWIS

1
ZIP Codes
2
Water Systems
1
ZIPs with Violations
Zone 1
Radon Risk (High)
$270K
Median Home Value
$3,000
Est. Remediation (1.1% of home value)

Dewey Water: The Quick Version

  • Your city's water systems recorded 6 violations in the past 5 years.
  • Homes built before 1986: 83% - older plumbing may contain lead solder.
  • Estimated remediation: $3,000 per household.
  • CDC health risk index: 10.82.

Water Systems Serving Dewey

Multiple utilities divide Dewey, IL's water service - 2 leading providers among 2 on the federal register.

Overview

We track home safety data for 1 ZIP code in Dewey, Illinois (population ~572), covering 2 community water systems serving approximately 11,880 people region-wide. The EPA snapshots used for this build directly map water systems to 1 of 1 ZIP codes.

1 of 1 ZIP code with a reported violation count in the available EPA record (100%) have recorded EPA violations. The available record reports no health-based violations for this measured scope.

Water Sources

Dewey water systems draw from: Groundwater.

Lead & Copper

  • Average lead level (90th percentile): 0.0000 mg/L (EPA action level: 0.015 mg/L)
  • 0 of 1 ZIP code with known status 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
Surface Water Treatment Rule Treatment Technique 6 1
Stage 1 DBP Rule Treatment Technique 2 1
Consumer Confidence Report Rule Reporting 2 1
Revised Total Coliform Rule Microbiological 2 1

Areas with Most Violations

ZIP Code Safety Score Violations Health-Based System
61840 6 0 Sangamon Valley Pwd

All ZIP Codes in Dewey

Data Sources

Reporting periods vary by source. Missing data is shown as unavailable, not as zero.

CDC Health Data for Dewey

10.1%
Asthma (US: 9.8%)
9.6%
Diabetes (US: 10.4%)
17.3%
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 10.1% ↑
Diabetes 9.6% ↓
Mental Health 17.3% ↑

Vertical line = national average. Above national · Below national

Key Contaminants Detected in Dewey

Surface Water Treatment Rule 6 violations
Treatment Technique
Pathogens may not be adequately removed
Stage 1 DBP Rule 2 violations
Treatment Technique
Disinfection byproduct exposure risk
Consumer Confidence Report Rule 2 violations
Reporting

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

How Old Is Dewey's Housing Stock?

1978
Median Build Year
83%
Built Before 1986
24%
Built Before 1970
Copper
Likely Pipe Material

With 83% 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

The character of Dewey's housing stock is one of deep historical layering - a median build year of 1978 signals a city built largely before the plumbing era changes of 1986 and 1970. Lead-soldered copper joints and, in the oldest properties, lead service lines are commonly present in this inventory. That context shapes what individual water testing may reveal, particularly in neighborhoods where the oldest housing is concentrated.

1978
Median Year Built
83%
Pre-1986 (Lead Paint Risk)
24%
Pre-1970 (Lead Pipes Risk)
Pre-1970 (24%) 1970–1986 (59%) Post-1986 (17%)

Over half of homes in Dewey 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.

Dewey: Remediation Cost in Perspective

The equity impact of remediation in Dewey sits at a moderate level - real enough to plan for, within reach for most.

Median Home Value
$269,500
Est. Remediation
$3,000
Remediation as % of home value 1.1%

Remediation costs are moderate relative to home values in Dewey. The estimated $2,000–$4,000 range is manageable for most homeowners but still worth budgeting for. Home values are 47% above the Illinois average.

Protecting Children from Lead in Dewey

83%
Homes Built Before 1986

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.

83% - that captures the slice of Dewey housing dating from before the federal ban on solder containing lead. It pairs with aggregate utility readings that either approach or cross 0.015 mg/L, the benchmark set under the EPA Lead and Copper Rule. Together, the two figures shift one-home reads into a standard household-level confirmation, particularly for families with kids. A certified lead-removal filter is available through retailer-verified channels if a kit returns results that warrant additional measures.

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

Historical Flood-Claim Evidence for Dewey

2
Total FEMA Flood Claims
$34,630
Avg Reported Sum With Payment Data
100%
A/V Share of Claim-Record ZIPs

Historical NFIP data for Dewey contains 2 flood insurance claims. Among claims with payment data, the average reported building, contents, and ICC component sum is $34,630. Among ZIP codes with claim records, 100% have an A- or V-family dominant rated zone recorded in those historical claims. This is not a complete current FEMA property-map inventory.

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. The <strong>$3,000</strong> remediation estimate shown here excludes flood insurance and is not derived from NFIP claim count.

Claim count does not establish current property risk. Check the exact address in FEMA's current map and obtain a property-specific insurance quote when relevant.

Source: historical FEMA National Flood Insurance Program (NFIP) claim records. No current FEMA property-map designation is asserted.

Frequently Asked Questions

How many water violations does Dewey have?
Dewey water systems have a total of 6 EPA violations. Violations are tracked across 1 ZIP code.
How many water systems serve Dewey?
Dewey is served by 2 public water systems across 1 ZIP code, serving approximately 572 people.
How much does it cost to fix water issues in Dewey?
Estimated remediation costs in Dewey average $3,000 per household, ranging from $2,000 to $4,000. Costs include filtration, pipe replacement, radon mitigation, and flood protection.
HomeCitiesIllinois → Dewey, IL

How to cite this page

APA ZipCheckup. (2026). Dewey, IL: 6 Violations - Home Safety Score unavailable. https://zipcheckup.com/cities/il/dewey/
BibTeX
@misc{zipcheckup-cities-il-dewey,
  author = {{ZipCheckup}},
  title  = {{Dewey, IL: 6 Violations - Home Safety Score unavailable}},
  year   = {2026},
  url    = {https://zipcheckup.com/cities/il/dewey/}
}

Page version: August 2026.

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