Delaware Company Rwd #10
EPA ID: OK6002158 · 1,295 people served · 2 ZIP codes
ZipCheckup's reading of EPA SDWIS for Delaware Company Rwd #10 (OK6002158): 1 unresolved EPA violation on record. Tallying the federal enforcement file for Delaware Company Rwd #10 yields 1 open violation that has not been formally closed - each finding sits in the EPA database while the utility continues to deliver water to approximately 1,295 residents and works through the required corrective action process.
Data: EPA SDWIS
Service Area Map
Coverage area for Delaware Company Rwd #10 Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Delaware Company Rwd #10 serves a community with a median household income of $57,476 and an estimated 21,496 residents across its service area. Approximately 47% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
Environmental Justice Note: 100% 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?
Delaware Company Rwd #10'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.
Wastewater Proximity Note: This service area ranks in the 60th percentile nationally for proximity to wastewater discharge points.
Infrastructure Risk
Detected Contaminants
How Delaware Company Rwd #10 compares to EPA limits
What This Means For You
Arsenic at 1 mg/L exceeds the EPA maximum of 0.01 mg/L.
Surface Water Treatment Rule at 2 mg/L exceeds the EPA maximum of mg/L.
Consumer Confidence Report Rule at 1 mg/L exceeds the EPA maximum of mg/L.
Revised Total Coliform Rule at 1 presence exceeds the EPA maximum of presence.
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
Delaware Company Rwd #10 (EPA ID: OK6002158) is a community water system in Oklahoma that serves approximately 1,295 people from groundwater sources.
This system provides water to 2 ZIP codes across 2 communities.
Violation History
Status breakdown for accepted records with record years 2021-2026: 4 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 | Surface Water Treatment Rule | Non-health-based | Unaddressed (current) |
| October 2, 2023 | Surface Water Treatment Rule | Non-health-based | Resolved |
| December 1, 2022 | Consumer Confidence Report Rule | Non-health-based | Resolved |
| October 1, 2022 | Revised Total Coliform Rule | Non-health-based | Resolved |
| January 1, 2022 | Arsenic | Non-health-based | Resolved |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Surface Water Treatment Rule | Treatment Failure | 2 | No |
| Arsenic | Inorganic | 1 | No |
| 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 |
|---|---|---|
| 0.0012 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.
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.
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Delaware Company Rwd #10 (OK6002158) on EPA.gov.
Frequently Asked Questions
Is Delaware Company Rwd #10 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 Delaware Company Rwd #10 serve?
Delaware Company Rwd #10 serves approximately 1,295 people across 2 ZIP codes in Oklahoma.
Where does Delaware Company Rwd #10 get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Delaware Company Rwd #10 (OK): 5 EPA Violations. https://zipcheckup.com/water-system/ok6002158/
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author = {{ZipCheckup}},
title = {{Delaware Company Rwd #10 (OK): 5 EPA Violations}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/ok6002158/}
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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
Delaware Company Rwd #10 (EPA ID: OK6002158) - request the latest Consumer Confidence Report or ask about specific contaminants.