Deerfield, KS: 3 Health Violations — 55/100 (2026)
1 ZIP code · 1 water system · Updated 2026-06-03
While Deerfield avoids KS's lowest safety tiers, a portion of its water systems have logged documented violations.
How Deerfield Compares
Data: EPA SDWIS Last verified: 2026-06-03
Deerfield Water: The Quick Version
- Your city's water systems recorded 9 violations in the past 5 years.
- Average lead level: 0.004 mg/L.
- Homes built before 1986: 78% — older plumbing may contain lead solder.
- Estimated remediation: $1,800 per household.
- CDC health risk index: 13.3 — above typical levels.
Water Systems Serving Deerfield
One utility dominates residential water service in Deerfield, KS — out of 1 system in federal records.
Overview
We track water quality and home safety data for 1 ZIP code in Deerfield, Kansas, covering 1 community water system serving approximately 1,084 people.
1 of 1 ZIP code (100%) have recorded EPA violations. 3 health-based violations documented.
Home Safety Score
Average Home Safety Score for Deerfield: C (55/100)
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
Deerfield water systems draw from: Groundwater.
Lead & Copper
- Average lead level (90th percentile): 0.0040 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 |
|---|---|---|---|
| Combined Radium | Radionuclides | 6 | 1 |
| Consumer Confidence Report Rule | Reporting | 4 | 1 |
| Revised Total Coliform Rule | Microbiological | 4 | 1 |
| Stage 2 DBP Rule | Treatment Technique | 2 | 1 |
| Lead and Copper Rule | Treatment Technique | 2 | 1 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 67838 | C | 9 | 3 | City of Deerfield, |
All ZIP Codes in Deerfield
- 67838 [C] — 9 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.
CDC Health Data for Deerfield
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
Key Contaminants Detected in Deerfield
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
How Old Is Deerfield's Housing Stock?
With 78% 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 lead that enters tap water in older homes often comes not from the municipal supply but from the home's own plumbing — from solder used in copper joints before the 1986 federal ban, or from lead pipes installed before 1970. In Deerfield, where the median build year is 1975, these older materials are widespread. More than half the residential stock predates the 1986 solder ban, and a significant fraction predates 1970 as well. For residents in those homes, the city-wide water quality picture is a less relevant frame than the specific materials inside their own walls and under their own street.
Over half of homes in Deerfield 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.
Deerfield: Remediation Cost in Perspective
Homeowners in Deerfield are working with a moderate equity share for documented remediation — the commitment deserves a line in the household budget, not dismissal.
Remediation costs are moderate relative to home values in Deerfield. The estimated $1,100–$3,000 range is manageable for most homeowners but still worth budgeting for. Home values are 26% below the Kansas average.
Protecting Children from Lead in Deerfield
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.
Locally, 78% of Deerfield homes carry interior plumbing from the era when lead solder was still permitted in new builds, and citywide monitoring approaches or crosses the EPA action benchmark. Households can find a draw-test kit and certified filtration through verified retailers.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
What You Can Do in Deerfield
- 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 Combined Radium can reduce the most common contaminant found in Deerfield's water.
- Check your home's plumbing. With 78% of homes built before 1986, lead solder is a real possibility.
Deep Dive Reports
Detailed analysis for Deerfield, KS