Lexington
EPA ID: OK2001409 · 2,086 people served · 1 ZIP code
ZipCheckup's reading of EPA records for Lexington (OK2001409): 1 violation recorded with unresolved status in the SDWIS data used. In EPA records, Lexington has 1 violation listed as unresolved, with the utility supplying water to approximately 2,086 residents.
Data: EPA SDWIS
Service Area Map
Coverage area for Lexington Source: EPA SDWIS service area boundaries.
Service area boundary - average Home Safety grade of mapped ZIPs: A
Demographics of ZIP Codes Served
The ZIP codes associated with Lexington have a median household income of $65,074 and about 10,079 residents live in those ZIP codes (Census; not the number of people this system supplies). Approximately 47% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
💧 Where Does Your Water Come From?
Lexington's water is classified in EPA records as a groundwater source. Groundwater is naturally filtered through rock and soil, but it can be vulnerable to PFAS contamination, nitrates from agriculture, and industrial chemicals that seep into the water table.
Infrastructure Risk
Comparable Water Systems
Similar-sized systems in Oklahoma
Estimated Remediation Costs
Average estimated costs across ZIP codes served by this system
Based on national averages for common remediation projects. Actual costs vary by property. Only issues flagged by EPA, FEMA, or state data for each ZIP code are included.
System Overview
Lexington (EPA ID: OK2001409) is a community water system in Oklahoma that serves approximately 2,086 people from groundwater sources.
This system serves ZIP code 73051 in Lexington.
ZIP-Area Home Safety Context: A (85/100)
This is the average Home Safety Score for 1 of 1 service-area ZIP codes with all required score domains observed. It is not a grade for the water utility.
Model 4.0.0 uses SDWIS identity plus accepted ECHO SDWA lifecycle-based water compliance, the UCMR 5 PFAS MCL screen, EPA radon zone, and annual EPA AirData AQI across three equally weighted domains. Missing required evidence suppresses the score.
Violation History
Status breakdown for accepted records with record years 2021-2026: 10 resolved, 0 archived, 0 addressed, and 1 unaddressed. Under this source contract, current noncompliance is the sum of addressed and unaddressed records. Archived and resolved records are excluded from current noncompliance.
Recent Violations
| Date | Contaminant | Type | Status |
|---|---|---|---|
| July 1, 2025 | Consumer Confidence Rule | Non-health-based | Unaddressed (current) |
| June 1, 2023 | Revised Total Coliform Rule | Non-health-based | Resolved |
| April 1, 2023 | Chlorine | Non-health-based | Resolved |
| April 1, 2023 | Chlorine | Non-health-based | Resolved |
| January 1, 2023 | Asbestos | Non-health-based | Resolved |
| October 1, 2022 | Chlorine | Non-health-based | Resolved |
| October 1, 2022 | Chlorine | Non-health-based | Resolved |
| September 1, 2022 | Revised Total Coliform Rule | Non-health-based | Resolved |
| July 1, 2022 | Chlorine | Non-health-based | Resolved |
| October 1, 2021 | Lead and Copper Rule | Non-health-based | Resolved |
| January 1, 2021 | Asbestos | Non-health-based | Resolved |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Chlorine | Monitoring & Reporting | 5 | No |
| Asbestos | Monitoring & Reporting | 2 | No |
| Chlorine | Monitoring & Reporting | 2 | No |
| Lead and Copper Rule | Monitoring & Reporting | 1 | No |
| Consumer Confidence Rule | Other (notice or report rule) | 1 | No |
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| 0.0065 mg/L | No | 2026-12-31 |
No copper action-level exceedance record appears for this PWSID in the accepted LCR snapshot. This does not establish a clean copper measurement.
Radon Risk in Service Area
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.
ZIP Codes Served
Coverage: Service area ZIP codes sourced from EPA Community Water System Service Area Boundaries v3 (March 2026 release). These ZIPs reflect the actual deployment footprint recorded by OK or modeled from parcel and building-footprint data.
- 73051 - Lexington
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Lexington (OK2001409) on EPA.gov.
Frequently Asked Questions
Is Lexington water safe to drink?
The accepted 2026Q2 ECHO snapshot shows 1 current noncompliance record and zero current records classified as health-based. That classification is not a property-specific water test or safety guarantee.
How many people does Lexington serve?
Lexington serves approximately 2,086 people across 1 ZIP code in Oklahoma.
Where does Lexington get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Lexington (OK): 11 EPA Violations. https://zipcheckup.com/water-system/ok2001409/
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author = {{ZipCheckup}},
title = {{Lexington (OK): 11 EPA Violations}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/ok2001409/}
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What You Can Do
Test your water
Home test kits can detect lead, bacteria, and other contaminants at your tap. Find the right filter →
Check your specific ZIP code
Water quality can vary within a system. View nearest ZIP report →
Contact your utility
Lexington (EPA ID: OK2001409) - request the latest Consumer Confidence Report or ask about specific contaminants.