Harrah
EPA ID: OK2005506 ยท 4,190 people served ยท 2 ZIP codes
ZipCheckup's reading of EPA SDWIS for Harrah (OK2005506): 1 past health-based violation, since resolved. Since the flagged events, Harrah resolved all 40 violations - compliant today, 4,190 residents served.
Data: EPA SDWIS
Service Area Map
Coverage area for Harrah Source: EPA SDWIS service area boundaries.
Service area boundary - Grade B
Service Area Demographics
The Harrah serves a community with a median household income of $89,613 and an estimated 36,893 residents across its service area. Approximately 43% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
Environmental Justice Note: 46% of the population in this service area is classified as disadvantaged under EPA's EJScreen criteria. Communities with higher disadvantaged populations often face disproportionate environmental and health burdens, including aging water infrastructure and limited resources for remediation.
๐ง Where Does Your Water Come From?
Harrah's water is pumped from underground aquifers. 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
Detected Contaminants
How Harrah compares to EPA limits
What This Means For You
Contaminant 2015 at 6 mg/L exceeds the EPA maximum of 0.0005 mg/L. Probable carcinogen; liver & thyroid damage, immune suppression. Consider granular activated carbon (GAC) filtration.
Contaminant 2010 at 10 mg/L exceeds the EPA maximum of mg/L.
Contaminant 2034 at 10 mg/L exceeds the EPA maximum of mg/L.
Contaminant 2020 at 6 mg/L exceeds the EPA maximum of mg/L.
Contaminant 2065 at 2 mg/L exceeds the EPA maximum of mg/L.
Contaminant 2015 was detected in this water system. granular activated carbon (GAC) filtration can reduce exposure.
Find a certified water filter โComparable 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
Harrah (EPA ID: OK2005506) is a community water system in Oklahoma that serves approximately 4,190 people from groundwater sources.
This system provides water to 2 ZIP codes across 2 communities.
ZIP-Area Home Safety Context: B (75/100)
This is the average Home Safety Score for 1 of 2 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: 40 resolved, 0 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 |
|---|---|---|---|
| October 17, 2024 | Stage 2 DBP Rule | Health-based | Resolved |
| October 17, 2024 | Stage 2 DBP Rule | Non-health-based | Resolved |
| January 1, 2024 | Contaminant 2010 | Non-health-based | Resolved |
| January 1, 2024 | Contaminant 2010 | Non-health-based | Resolved |
| January 1, 2024 | Contaminant 2010 | Non-health-based | Resolved |
| January 1, 2024 | Contaminant 2010 | Non-health-based | Resolved |
| January 1, 2024 | Contaminant 2010 | Non-health-based | Resolved |
| January 1, 2024 | Contaminant 2015 | Non-health-based | Resolved |
| January 1, 2024 | Contaminant 2015 | Non-health-based | Resolved |
| January 1, 2024 | Contaminant 2015 | Non-health-based | Resolved |
| January 1, 2024 | Contaminant 2020 | Non-health-based | Resolved |
| January 1, 2024 | Contaminant 2020 | Non-health-based | Resolved |
| January 1, 2024 | Contaminant 2020 | Non-health-based | Resolved |
| January 1, 2024 | Contaminant 2034 | Non-health-based | Resolved |
| January 1, 2024 | Contaminant 2034 | Non-health-based | Resolved |
| January 1, 2024 | Contaminant 2034 | Non-health-based | Resolved |
| January 1, 2024 | Contaminant 2034 | Non-health-based | Resolved |
| January 1, 2024 | Contaminant 2034 | Non-health-based | Resolved |
| January 1, 2024 | Contaminant 2065 | Non-health-based | Resolved |
| January 1, 2024 | Contaminant 2105 | Non-health-based | Resolved |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Contaminant 2010 | Other Violation | 10 | No |
| Contaminant 2034 | Other Violation | 10 | No |
| Contaminant 2015 | Other Violation | 6 | No |
| Contaminant 2020 | Other Violation | 6 | No |
| Contaminant 2065 | Other Violation | 2 | No |
| Contaminant 2105 | Other Violation | 2 | No |
| Stage 2 DBP Rule | Treatment Failure | 2 | Yes |
| Consumer Confidence Report Rule | Reporting Failure | 1 | No |
| Revised Total Coliform Rule | Microbiological | 1 | No |
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| 0.0011 mg/L | No | N/A |
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
Dominant radon zone for ZIP codes served by this system: Zone 3 (Low Risk)
Need help with your water quality?
Typical cost: Water test: typically $20โ$50 (DIY kit) ยท Professional inspection: $150โ$400
Find the Right Water FilterFree tip: Let cold water run for 2 minutes before drinking โ this helps flush lead from your pipes.
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 the full compliance record for Harrah (OK2005506) on EPA.gov.
Frequently Asked Questions
Is Harrah water safe to drink?
The accepted 2026Q2 ECHO snapshot shows no current noncompliance for Harrah; its 40 accepted 2021-2026 records are resolved or archived. Historical compliance status does not establish conditions at a specific tap.
How many people does Harrah serve?
Harrah serves approximately 4,190 people across 2 ZIP codes in Oklahoma.
Where does Harrah get its water?
The primary water source is groundwater.
Federal UCMR5 PFAS Monitoring: Tested Clean
This water system was tested under the federal EPA Unregulated Contaminant Monitoring Rule (UCMR5). No PFAS compounds were detected.
Current MCL reflects the lowest state-enforceable limit (NYS 10 ppt for PFOA/PFOS, effective August 2020). The federal final MCL of 4 ppt for PFOA/PFOS (EPA April 2024 rule) is not enforceable until April 2029. Detections above 4 ppt but below 10 ppt are below current MCL but above the future federal limit.
Source: U.S. EPA UCMR5 (Unregulated Contaminant Monitoring Rule, 5th cycle) โ per-system federal sampling, 2023โ2025. EPA UCMR5 monitoring program โ
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Harrah (OK): 1 Health Violation. https://zipcheckup.com/water-system/ok2005506/
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author = {{ZipCheckup}},
title = {{Harrah (OK): 1 Health Violation}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/ok2005506/}
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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 โ
Check your specific ZIP code
Water quality can vary within a system. View nearest ZIP report โ
Contact your utility
Harrah (EPA ID: OK2005506) - request the latest Consumer Confidence Report or ask about specific contaminants.