Union City, OK: 9 Health Violations — 55/100 (2026)
1 ZIP code · 3 water systems · Updated 2026-06-04
Public water data for Union City, OK reveals a split picture — tap water quality varies meaningfully by service area and the city's grade reflects that variability.
How Union City Compares
Data: EPA SDWIS Last verified: 2026-06-04
Key Facts for Union City Residents
- Your city's water systems recorded 13 violations in the past 5 years.
- Homes built before 1986: 61% — older plumbing may contain lead solder.
- Estimated remediation: $600 per household.
- CDC health risk index: 12.58 — above typical levels.
Union City's Water Providers
Federal drinking water records identify 3 systems in Union City, OK. The leading 3 providers serve the largest share of residential connections, each operating as a separate entity with its own rate authority, infrastructure management, and EPA compliance obligations — so service conditions are not uniform city-wide.
Overview
We track water quality and home safety data for 1 ZIP code in Union City, Oklahoma (population ~820), covering 3 community water systems serving approximately 2,634 people region-wide.
1 of 1 ZIP code (100%) have recorded EPA violations. 9 health-based violations documented.
Home Safety Score
Average Home Safety Score for Union City: 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
Union City water systems draw from: Surface water.
Lead & Copper
- Lead data: not yet available for Union City
- 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 | 24 | 1 |
| Revised Total Coliform Rule | Microbiological | 2 | 1 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 73090 | C | 13 | 9 | Union City |
All ZIP Codes in Union City
- 73090 [C] — 13 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.
Union City 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 Union City's Water?
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
Union City Infrastructure Age
With 61% 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
Viewed through the lens of construction era, Union City is predominantly an older city — a median build year of 1972 puts most of the residential inventory in the range where pre-1986 plumbing materials were the standard.
Over half of homes in Union City 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 Union City
When estimated remediation is placed alongside median property values in Union City, the resulting ratio is low — a finding consistent with a household financial perspective where documented issues can be addressed without a meaningful impact on overall equity position, making this market one of the more favorable contexts for remediation planning.
Remediation costs in Union City are relatively low compared to home values. The $300–$1,500 estimated range is a small fraction of median property value. Home values are 33% above the Oklahoma average.
Union City: 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.
Practically, the structural drivers in Union City — 61% pre-rule stock and citywide monitoring at or beyond the regulatory benchmark — make an in-home draw the practical way to translate aggregate averages into the specific conditions at one address.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
What You Can Do in Union City
- 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 Union City's water.
- Check your home's plumbing. With 61% of homes built before 1986, lead solder is a real possibility.
Deep Dive Reports
Detailed analysis for Union City, OK