Mill Creek, OK: 1 Health Violation — 98/100 (2026)
1 ZIP code · 4 water systems · Updated 2026-06-03
EPA compliance records for Mill Creek tell a largely clear story: violation rates are low, health-based exceedances are uncommon, and the city's grade puts it well above average within OK.
How Mill Creek Compares
Data: EPA SDWIS Last verified: 2026-06-03
Key Facts for Mill Creek Residents
- Your city's water systems recorded 4 violations in the past 5 years.
- Average lead level: 0.0023 mg/L.
- Homes built before 1986: 68% — older plumbing may contain lead solder.
- Estimated remediation: $300 per household.
- CDC health risk index: 16.14 — above typical levels.
Mill Creek's Water Providers
Residential water service in Mill Creek, OK is divided among 3 separate utilities, drawn from 4 systems on file with federal regulators.
Overview
We track water quality and home safety data for 1 ZIP code in Mill Creek, Oklahoma (population ~794), covering 4 community water systems serving approximately 8,480 people region-wide.
1 of 1 ZIP code (100%) have recorded EPA violations. 1 health-based violation documented.
Home Safety Score
Average Home Safety Score for Mill Creek: A (98/100)
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
Mill Creek water systems draw from: Groundwater.
Lead & Copper
- Average lead level (90th percentile): 0.0023 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 |
|---|---|---|---|
| Stage 2 DBP Rule | Treatment Technique | 4 | 1 |
| Contaminant 2031 | Other | 2 | 1 |
| Contaminant 2035 | Other | 2 | 1 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 74856 | A | 4 | 1 | Murray Company Rwd # 1 |
All ZIP Codes in Mill Creek
- 74856 [A] — 4 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.
Mill Creek 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 Mill Creek's Water?
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
Mill Creek Infrastructure Age
With 68% 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
Federal plumbing rules changed in two stages — lead pipes were phased out before 1970, and lead solder was banned in 1986 — but in Mill Creek, where the median build year is 1973, most of the housing was already in place before those rules took effect. The materials installed under older standards remain embedded in a substantial portion of the residential inventory today.
Over half of homes in Mill Creek 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 Mill Creek
Within the Mill Creek market, estimated remediation claims a small portion of typical property equity — the financial burden is proportionally low.
Remediation costs in Mill Creek are relatively low compared to home values. The $150–$600 estimated range is a small fraction of median property value. Home values are 16% below the Oklahoma average.
Mill Creek: 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.
Reading the local data together points toward a structural gap that matters more here than in low-exposure communities. 68% of Mill Creek stock comes from the pre-rule era, and citywide monitoring either approaches or sits beyond the federal benchmark under Lead and Copper Rule sampling. A baseline kit fits the routine-diligence category, with certified filtration available via retailer networks where confirmed faucet results warrant additional measures.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Deep Dive Reports
Detailed analysis for Mill Creek, OK