Yale, OK: 14 Health Violations — 66/100 (2026)
1 ZIP code · 6 water systems · Updated 2026-06-03
Compared to top-scoring cities in OK, Yale lands in the middle tier — some water systems meet standards cleanly, others carry documented violations, and performance can vary significantly across service areas.
How Yale Compares
Data: EPA SDWIS Last verified: 2026-06-03
Key Facts for Yale Residents
- Your city's water systems recorded 27 violations in the past 5 years.
- Average lead level: 0.0067 mg/L.
- Homes built before 1986: 66% — older plumbing may contain lead solder.
- Estimated remediation: $1,800 per household.
- CDC health risk index: 11.88.
Yale's Water Providers
Structurally, Yale, OK's water supply is divided. Federal data identifies 6 water systems in the area, with 3 providers serving the bulk of residential connections. These utilities operate independently, meaning rate-setting authority and EPA compliance accountability are distributed rather than centralized.
Overview
We track water quality and home safety data for 1 ZIP code in Yale, Oklahoma (population ~2,391), covering 6 community water systems serving approximately 6,782 people region-wide.
1 of 1 ZIP code (100%) have recorded EPA violations. 14 health-based violations documented.
Home Safety Score
Average Home Safety Score for Yale: C (66/100)
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
Yale water systems draw from: Surface water.
Lead & Copper
- Average lead level (90th percentile): 0.0067 mg/L (EPA action level: 0.015 mg/L)
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 3 (Low Risk)
Top Contaminants
| Contaminant | Category | Violations | ZIPs Affected |
|---|---|---|---|
| Haloacetic Acids (HAA5) | Disinfection Byproducts | 34 | 1 |
| Stage 2 DBP Rule | Treatment Technique | 8 | 1 |
| Total Trihalomethanes (TTHM) | Disinfection Byproducts | 4 | 1 |
| Surface Water Treatment Rule | Treatment Technique | 4 | 1 |
| Contaminant 1006 | Other | 2 | 1 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 74085 | C | 27 | 14 | Yale |
All ZIP Codes in Yale
- 74085 [C] — 27 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.
Yale 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 Yale's Water?
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
Yale Infrastructure Age
With 66% 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, Yale's housing stock carries a median build year of 1972. That profile puts a majority of homes in the era when lead-soldered copper plumbing was standard practice.
Over half of homes in Yale 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 Yale
Within the Yale property market, documented remediation claims a moderate slice of typical equity — real but budgetable.
Remediation costs are moderate relative to home values in Yale. The estimated $1,100–$3,300 range is manageable for most homeowners but still worth budgeting for. Home values are 19% above the Oklahoma average.
Yale: 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.
Even where utility-side monitoring meets Lead and Copper Rule requirements, the 66% pre-rule share in Yale keeps interior-plumbing variation as a household-level question that aggregate data cannot resolve.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Yale: Flood History & Water Damage Risk
Measured across the NFIP's multi-decade tracking period, Yale shows a moderate flood record — 1 claim and 100% of ZIP codes carrying FEMA flood zone status. For water quality, that combination matters because flood events at this frequency can periodically stress infrastructure: treatment plants, private wells, and distribution systems all face elevated risk during significant flooding.
Yale has a moderate flood history with 1 FEMA claims averaging $11,522 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>$1,800</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.
What You Can Do in Yale
- 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 Haloacetic Acids (HAA5) can reduce the most common contaminant found in Yale's water.
- Check your home's plumbing. With 66% of homes built before 1986, lead solder is a real possibility.
Deep Dive Reports
Detailed analysis for Yale, OK