Yale
EPA ID: OK3006039 ยท 1,227 people served ยท 2 ZIP codes
ZipCheckup's reading of EPA records for Yale (OK3006039): 11 health-based violations recorded since 2021. 24 violations on file at Yale, none open; 1,227 people served.
Data: EPA SDWIS
Service Area Map
Coverage area for Yale Source: EPA SDWIS service area boundaries.
Service area boundary
Demographics of ZIP Codes Served
The ZIP codes associated with Yale have a median household income of $44,985 and about 14,488 residents live in those ZIP codes (Census; not the number of people this system supplies). Approximately 71% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
๐ Where Does Your Water Come From?
Yale's water is drawn from rivers, lakes, or reservoirs. Surface water sources are more exposed to agricultural runoff, stormwater, and upstream discharges, but they typically receive more intensive treatment before reaching your tap.
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
Yale (EPA ID: OK3006039) is a community water system in Oklahoma that serves approximately 1,227 people from surface water sources.
This system provides water to 2 ZIP codes across 2 communities.
Violation History
Status breakdown for accepted records with record years 2021-2026: 19 resolved, 5 archived, 0 addressed, and 0 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 |
|---|---|---|---|
| November 1, 2025 | Chloramine | Non-health-based | Archived |
| November 1, 2025 | Revised Total Coliform Rule | Non-health-based | Archived |
| July 1, 2025 | Chloramine | Non-health-based | Archived |
| July 1, 2025 | Revised Total Coliform Rule | Non-health-based | Archived |
| October 17, 2024 | LEAD AND COPPER RULE REVISIONS | Health-based | Resolved |
| October 17, 2024 | LEAD AND COPPER RULE REVISIONS | Non-health-based | Resolved |
| December 30, 2022 | TTHM | Non-health-based | Resolved |
| October 2, 2022 | Consumer Confidence Rule | Non-health-based | Resolved |
| January 1, 2022 | TTHM | Health-based | Resolved |
| January 1, 2022 | TTHM | Health-based | Resolved |
| December 30, 2021 | TTHM | Non-health-based | Resolved |
| October 1, 2021 | TTHM | Health-based | Resolved |
| October 1, 2021 | TTHM | Health-based | Resolved |
| September 29, 2021 | Total Haloacetic Acids (HAA5) | Non-health-based | Resolved |
| September 29, 2021 | TTHM | Non-health-based | Resolved |
| July 1, 2021 | TTHM | Health-based | Archived |
| July 1, 2021 | TTHM | Health-based | Resolved |
| April 1, 2021 | TTHM | Non-health-based | Resolved |
| April 1, 2021 | TTHM | Health-based | Resolved |
| April 1, 2021 | TTHM | Health-based | Resolved |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| TTHM | MCL Violation, Monitoring & Reporting | 15 | Yes |
| Chloramine | Other Violation | 2 | No |
| Total Haloacetic Acids (HAA5) | Monitoring & Reporting | 2 | No |
| LEAD AND COPPER RULE REVISIONS | Treatment Technique, Monitoring & Reporting | 2 | Yes |
| Revised Total Coliform Rule | Monitoring & Reporting | 2 | No |
| Consumer Confidence Rule | Other (notice or report rule) | 1 | No |
Health Risk Details
Haloacetic Acids (HAA5) (EPA limit: 0.06 mg/L)
Increased risk of cancer
Treatment options (verify a product is certified to reduce this contaminant): granular activated carbon (GAC), carbon block filter, reverse osmosis. Find the right filter โ
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| 0.0067 mg/L | No | 2025-12-31 |
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
2 of 2 ZIP records with known zones are 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.
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Yale (OK3006039) on EPA.gov.
Frequently Asked Questions
Is Yale water safe to drink?
The accepted 2026Q2 ECHO snapshot shows no current noncompliance for Yale; its 24 accepted 2021-2026 records are resolved or archived. Historical compliance status does not establish conditions at a specific tap.
How many people does Yale serve?
Yale serves approximately 1,227 people across 2 ZIP codes in Oklahoma.
Where does Yale get its water?
The primary water source is surface water.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Yale (OK): 11 Health Violations. https://zipcheckup.com/water-system/ok3006039/
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author = {{ZipCheckup}},
title = {{Yale (OK): 11 Health Violations}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/ok3006039/}
}
What You Can Do
Test your water
Home test kits can detect lead, bacteria, and other contaminants at your tap. Find the right filter โ
Check your specific ZIP code
Water quality can vary within a system. View nearest ZIP report โ
Contact your utility
Yale (EPA ID: OK3006039) - request the latest Consumer Confidence Report or ask about specific contaminants.