Delphos, KS: 1 Violation — 64/100 (2026)
1 ZIP code · 2 water systems · Updated 2026-06-03
In recent monitoring cycles, Delphos tap water shows a mixed record for KS — several systems have documented violations alongside areas with clean compliance histories.
How Delphos Compares
Data: EPA SDWIS Last verified: 2026-06-03
Key Facts for Delphos Residents
- Your city's water systems recorded 1 violation in the past 5 years.
- Average lead level: 0.0007 mg/L.
- Homes built before 1986: 87% — older plumbing may contain lead solder.
- Estimated remediation: $1,200 per household.
- CDC health risk index: 14.06 — above typical levels.
Delphos's Water Providers
Water delivery in Delphos, KS is handled by 2 utilities rather than a single system — drawn from 2 providers in federal records, each filing its own compliance reports and setting its own rates.
Overview
We track water quality and home safety data for 1 ZIP code in Delphos, Kansas (population ~446), covering 2 community water systems serving approximately 2,100 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 Delphos: C (64/100)
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
Delphos water systems draw from: Groundwater.
Lead & Copper
- Average lead level (90th percentile): 0.0007 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 2 DBP Rule | Treatment Technique | 2 | 1 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 67436 | C | 1 | 0 | Ottawa Company Rwd 2 |
All ZIP Codes in Delphos
- 67436 [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.
Delphos 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 Delphos's Water?
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
Delphos Infrastructure Age
With 87% 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
Heavily weighted toward older construction, Delphos's housing stock carries a median build year of 1901. That profile puts a majority of homes in the era when lead-soldered copper plumbing was standard practice.
Over half of homes in Delphos 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 Delphos
Within the Delphos property market, documented remediation claims a moderate slice of typical equity — real but budgetable.
Remediation costs are moderate relative to home values in Delphos. The estimated $800–$1,500 range is manageable for most homeowners but still worth budgeting for. Home values are 53% below the Kansas average.
Delphos: 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.
Routinely in Delphos, where 87% 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.
What You Can Do in Delphos
- 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 2 DBP Rule can reduce the most common contaminant found in Delphos's water.
- Check your home's plumbing. With 87% of homes built before 1986, lead solder is a real possibility.
Deep Dive Reports
Detailed analysis for Delphos, KS