Grady Company Rwd #6
EPA ID: OK3002603 · 3,930 people served · 12 ZIP codes
ZipCheckup's reading of EPA SDWIS for Grady Company Rwd #6 (OK3002603): 1 past health-based violation, since resolved. Over the tracked period, Grady Company Rwd #6 logged 66 EPA violations - each has been remedied, and the system now supplies 3,930 people in good standing.
Data: EPA SDWIS
Service Area Map
Coverage area for Grady Company Rwd #6 Source: EPA SDWIS service area boundaries.
Service area boundary - Grade B
Service Area Demographics
The Grady Company Rwd #6 serves a community with a median household income of $62,881 and an estimated 72,910 residents across its service area. Approximately 62% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
Environmental Justice Note: 84% 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.
💧 Where Does Your Water Come From?
Grady Company Rwd #6'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 Grady Company Rwd #6 compares to EPA limits
What This Means For You
PFOA at 1 mg/L exceeds the EPA maximum of 0.000004 mg/L.
PFNA at 1 mg/L exceeds the EPA maximum of 0.00001 mg/L.
Contaminant 2015 at 1 mg/L exceeds the EPA maximum of 0.0005 mg/L. Probable carcinogen; liver & thyroid damage, immune suppression. Consider granular activated carbon (GAC) filtration.
Benzene at 3 mg/L exceeds the EPA maximum of 0.005 mg/L.
Chlorodibromomethane at 1 mg/L exceeds the EPA maximum of 0.002 mg/L. Liver cancer, brain cancer (known carcinogen). Consider granular activated carbon (GAC) filtration.
PFAS Detected in Service Area
PFAS ("forever chemicals") have been detected in water serving this system's area. 4 detections recorded.
Contaminant 2015 was detected in this water system. granular activated carbon (GAC) filtration can reduce exposure.
Find a certified water filter →Comparable Water Systems
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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
Grady Company Rwd #6 (EPA ID: OK3002603) is a community water system in Oklahoma that serves approximately 3,930 people from groundwater sources.
This system provides water to 12 ZIP codes across 12 communities.
ZIP-Area Home Safety Context: B (83/100)
This is the average Home Safety Score for 1 of 12 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, 26 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 |
|---|---|---|---|
| January 1, 2025 | Benzene | Non-health-based | Resolved |
| January 1, 2025 | Arsenic | Non-health-based | Archived |
| January 1, 2025 | Uranium | Non-health-based | Archived |
| January 1, 2025 | Contaminant 2032 | Non-health-based | Archived |
| January 1, 2025 | PFOA | Non-health-based | Archived |
| January 1, 2025 | PFNA | Non-health-based | Archived |
| January 1, 2025 | Monochloroacetic Acid | Non-health-based | Archived |
| January 1, 2025 | Dichloroacetic Acid | Non-health-based | Archived |
| January 1, 2025 | Bromodichloromethane | Non-health-based | Archived |
| January 1, 2025 | Dibromochloromethane | Non-health-based | Archived |
| January 1, 2025 | Bromoform | Non-health-based | Archived |
| January 1, 2025 | Chlorodibromomethane | Non-health-based | Archived |
| January 1, 2025 | Trichloroacetic Acid | Non-health-based | Archived |
| January 1, 2025 | Monobromoacetic Acid | Non-health-based | Archived |
| January 1, 2025 | Dibromoacetic Acid | Non-health-based | Archived |
| January 1, 2025 | Bromochloroacetic Acid | Non-health-based | Archived |
| January 1, 2025 | Bromodichloroacetic Acid | Non-health-based | Archived |
| January 1, 2025 | Chlorodibromoacetic Acid | Non-health-based | Archived |
| January 1, 2025 | Tribromoacetic Acid | Non-health-based | Archived |
| January 1, 2025 | HAA6Br | Non-health-based | Archived |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Benzene | Organic | 3 | No |
| Revised Total Coliform Rule | Microbiological | 3 | No |
| Uranium | Radionuclides | 2 | No |
| Contaminant 2031 | Other Violation | 2 | No |
| Contaminant 2032 | Other Violation | 2 | No |
| Contaminant 2042 | Other Violation | 2 | No |
| Stage 2 DBP Rule | Treatment Failure | 2 | Yes |
| Consumer Confidence Report Rule | Reporting Failure | 2 | No |
| Barium | Inorganic | 1 | No |
| Arsenic | Inorganic | 1 | No |
| Contaminant 2005 | Other Violation | 1 | No |
| Contaminant 2010 | Other Violation | 1 | No |
| Contaminant 2015 | Other Violation | 1 | No |
| Contaminant 2033 | Other Violation | 1 | No |
| Contaminant 2034 | Other Violation | 1 | No |
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| 0 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 $20–$50 (DIY kit) · Professional inspection: $150–$400
Find the Right Water FilterFree tip: Let cold water run for 2 minutes before drinking — 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.
- 73004 - Amber
- 73005 - Anadarko
- 73010 - Blanchard
- 73011 - Bradley
- 73017 - Cement
- 73018 - Chickasha
- 73042 - Gracemont
- 73059 - Minco
- 73067 - Ninnekah
- 73079 - Pocasset
- 73089 - Tuttle
- 73092 - Verden
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Grady Company Rwd #6 (OK3002603) on EPA.gov.
Frequently Asked Questions
Is Grady Company Rwd #6 water safe to drink?
The accepted 2026Q2 ECHO snapshot shows no current noncompliance for Grady Company Rwd #6; its 66 accepted 2021-2026 records are resolved or archived. Historical compliance status does not establish conditions at a specific tap.
How many people does Grady Company Rwd #6 serve?
Grady Company Rwd #6 serves approximately 3,930 people across 12 ZIP codes in Oklahoma.
Where does Grady Company Rwd #6 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) — per-system federal sampling, 2023–2025. EPA UCMR5 monitoring program →
How Water Systems Appear in Rankings
Water systems are evaluated by violation history, contaminant detections, and service population. Larger systems with more service connections appear in more rankings.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Grady Company Rwd #6 (OK): 1 Health Violation. https://zipcheckup.com/water-system/ok3002603/
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title = {{Grady Company Rwd #6 (OK): 1 Health Violation}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/ok3002603/}
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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
Grady Company Rwd #6 (EPA ID: OK3002603) - request the latest Consumer Confidence Report or ask about specific contaminants.