CITY REPORT OK HEALTH VIOLATIONS: 2

Mill Creek, OK: 6 Violations - Home Safety Score unavailable

1 ZIP code · 3 water systems · Updated

Data: EPA SDWIS

1
ZIP Codes
3
Water Systems
1
ZIPs Linked to Systems with Violations
Zone 3
County Radon Potential (Low)
$122K
Median Home Value
$300
Est. Remediation (0.3% of home value)

Key Facts for Mill Creek Residents

  • Your city's water systems recorded 6 violations since 2021.
  • Average of reported 90th-percentile lead results: 0.0059 mg/L.
  • Homes built before 1986: 68% - older plumbing may contain lead solder.
  • Estimated remediation: $300 per household.
  • Health risk index (ZipCheckup composite of CDC data): 16.14.

Mill Creek's Water Providers

More than one public water system is linked to Mill Creek, OK: federal records tie 3 systems to the area, and the 3 with the largest reported service populations are shown below. Which of them supplies a particular address depends on where the property sits, and a water bill or the utility can confirm it.

Overview

We track home safety data for 1 ZIP code in Mill Creek, Oklahoma (population ~794), covering 3 community water systems serving approximately 8,170 people region-wide. The EPA snapshots used for this build directly map water systems to 1 of 1 ZIP codes.

1 of 1 ZIP code with a reported violation count in the available EPA record (100%) have recorded EPA violations. 2 health-based violations appear in the available health breakdown.

Water Sources

Mill Creek water systems draw from: Groundwater.

Lead & Copper

  • Average of reported 90th-percentile lead results: 0.0059 mg/L (EPA action level: 0.015 mg/L)
  • 0 of 1 ZIP code with known status exceed the EPA lead action level

Radon Risk

1 of 1 ZIP records with known zones is in EPA Radon Zone 3.

The EPA recommends testing all homes regardless of radon zone. County radon zones cannot replace an in-home radon test.

Top Contaminants

Contaminant Category Violations ZIPs Affected
Lead and Copper Rule Revisions Treatment Technique 8 1
Consumer Confidence Rule Reporting 2 1
Chlorine Disinfectant 2 1

Areas with Most Violations

ZIP Code Safety Score Violations Health-Based System
74856 — 6 2 Johnston Company Rwd #3

All ZIP Codes in Mill Creek

  • 74856 - 6 violations ⚠

Data Sources

Reporting periods vary by source. Missing data is shown as unavailable, not as zero.

Mill Creek Community Health Snapshot

12.4%
Asthma (US: 9.8%)
15.3%
Diabetes (US: 10.4%)
19.8%
Poor Mental Health (US: 14.8%)

Source: CDC PLACES (County-level estimates). County health indicators are shown for context only and are not linked to this area's water records.

Compared to National Average

Asthma 12.4% ↑
Diabetes 15.3% ↑
Mental Health 19.8% ↑

Vertical line = national average. ■ Above national · ■ Below national

What's in Mill Creek's Water?

Lead and Copper Rule Revisions 8 violations
Treatment Technique
Consumer Confidence Rule 2 violations
Reporting
Chlorine 2 violations
Disinfectant · EPA regulatory level for the contaminant named above: 4 mg/L

Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.

Mill Creek Infrastructure Age

1973
Median Build Year
68%
Built Before 1986
28%
Built Before 1970
Copper
Likely Pipe Material

With 68% of homes built before 1986, lead solder in plumbing is a potential concern. Federal law banned lead solder in drinking-water plumbing 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, Mill Creek has a median build year of 1973; houses completed ahead of 1986 can hold lead-bearing solder or fittings.

1973
Median Year Built
68%
Pre-1986 (lead solder era; lead paint banned 1978)
28%
Pre-1970 (Lead Pipes Risk)
Pre-1970 (28%) 1970–1986 (40%) Post-1986 (32%)

Over half of homes in Mill Creek were built before 1986, when federal law began restricting lead solder in drinking-water plumbing. 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

Relative to home values, Mill Creek remediation estimates run low.

Median Home Value
$121,900
Est. Remediation
$300
Remediation as % of home value 0.3%

Estimated remediation costs in Mill Creek can be compared with local home values. The $150–$600 estimated range can be set against the median property value; actual costs vary by home. Home values are 16% below the Oklahoma average.

Mill Creek: Lead Risk & Vulnerable Populations

68%
Homes Built Before 1986
0.0059
mg/L average of reported water-system 90th-percentile lead results (the 0.015 action level applies to each system's result, not to this average)

Why children are most at risk: The CDC states that no safe blood lead level in children has been identified. Children under 6 absorb lead more readily than adults, and even low levels can cause developmental delays, learning difficulties, and behavioral problems.

If you have young children or are pregnant, consider testing your home's water - especially if your home was built before 1986.

Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.

Frequently Asked Questions

How many violations are on record for water systems serving Mill Creek?
EPA records list 6 EPA violations, including 2 health-based violations for Mill Creek water systems. These water-system violations are shown for 1 mapped ZIP code.
Does Mill Creek water have lead?
The average of the reported 90th-percentile lead results across the ZIP codes of Mill Creek is 0.0059 mg/L. The EPA action level of 0.015 mg/L applies to each water system's own 90th percentile, not to this average. EPA's health goal for lead is zero. Lead levels can vary by home - testing is recommended especially in older properties.
How many water systems serve Mill Creek?
Our records map 3 water systems to 1 ZIP code in Mill Creek. The related population figure in our data is approximately 794 people; it is not a count of people served citywide.
How much does it cost to fix water issues in Mill Creek?
Estimated remediation cost per household in Mill Creek: $300; modeled range $150 to $600. Estimated costs may include filtration, pipe replacement, radon mitigation, or flood protection where applicable.
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How to cite this page

APA ZipCheckup. (2026). Mill Creek, OK: 6 Violations - Home Safety Score unavailable. https://zipcheckup.com/cities/ok/mill-creek/
BibTeX
@misc{zipcheckup-cities-ok-mill-creek,
  author = {{ZipCheckup}},
  title  = {{Mill Creek, OK: 6 Violations - Home Safety Score unavailable}},
  year   = {2026},
  url    = {https://zipcheckup.com/cities/ok/mill-creek/}
}

Page version: October 2026.

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