Harper Company Rwd #1
EPA ID: OK2003001 · 198 people served · 2 ZIP codes
ZipCheckup's reading of EPA SDWIS for Harper Company Rwd #1 (OK2003001): 1 unresolved EPA violation on record. EPA compliance records for Harper Company Rwd #1 show 1 unresolved violation - findings that remain open and are tracked at the federal level, covering a service territory of approximately 198 people.
Data: EPA SDWIS
Service Area Map
Coverage area for Harper Company Rwd #1 Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Harper Company Rwd #1 serves a community with a median household income of $68,860 and an estimated 16,499 residents across its service area. Approximately 79% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
Environmental Justice Note: 50% 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?
Harper Company Rwd #1'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 Harper Company Rwd #1 compares to EPA limits
What This Means For You
PFOA at 3 mg/L exceeds the EPA maximum of 0.000004 mg/L.
PFNA at 3 mg/L exceeds the EPA maximum of 0.00001 mg/L.
Chlorodibromomethane at 3 mg/L exceeds the EPA maximum of 0.002 mg/L. Liver cancer, brain cancer (known carcinogen). Consider granular activated carbon (GAC) filtration.
Mercury at 2 mg/L exceeds the EPA maximum of 0.002 mg/L. Kidney damage, neurological impairment. Consider activated carbon (GAC) filtration.
Cadmium at 2 mg/L exceeds the EPA maximum of 0.005 mg/L. Kidney damage accumulating over lifetime; probable carcinogen. Consider reverse osmosis filtration.
Chlorodibromomethane was detected in this water system. granular activated carbon (GAC) filtration can reduce exposure.
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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
Harper Company Rwd #1 (EPA ID: OK2003001) is a community water system in Oklahoma that serves approximately 198 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: 108 resolved, 26 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 |
|---|---|---|---|
| January 1, 2026 | Stage 1 DBP Rule | Non-health-based | Unaddressed (current) |
| August 1, 2025 | Revised Total Coliform Rule | Non-health-based | Resolved |
| August 1, 2025 | Consumer Confidence Report Rule | Non-health-based | Resolved |
| July 1, 2025 | Revised Total Coliform Rule | Non-health-based | Resolved |
| July 1, 2025 | Consumer Confidence Report Rule | Non-health-based | Resolved |
| July 1, 2025 | Surface Water Treatment Rule | Non-health-based | Resolved |
| May 1, 2025 | Revised Total Coliform Rule | Non-health-based | Resolved |
| April 1, 2025 | Revised Total Coliform Rule | Non-health-based | Resolved |
| April 1, 2025 | Consumer Confidence Report Rule | Non-health-based | Resolved |
| April 1, 2025 | Gross Alpha | Non-health-based | Archived |
| April 1, 2025 | Combined Radium | Non-health-based | Archived |
| April 1, 2025 | Gross Beta | Non-health-based | Archived |
| April 1, 2025 | Contaminant 4100 | Non-health-based | Archived |
| February 1, 2025 | Revised Total Coliform Rule | Non-health-based | Resolved |
| February 1, 2025 | Consumer Confidence Report Rule | Non-health-based | Resolved |
| January 1, 2025 | Stage 1 DBP Rule | Non-health-based | Resolved |
| January 1, 2025 | Revised Total Coliform Rule | Non-health-based | Resolved |
| January 1, 2025 | Consumer Confidence Report Rule | Non-health-based | Resolved |
| December 1, 2024 | Revised Total Coliform Rule | Non-health-based | Resolved |
| December 1, 2024 | Consumer Confidence Report Rule | Non-health-based | Resolved |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Revised Total Coliform Rule | Microbiological | 14 | No |
| Consumer Confidence Report Rule | Reporting Failure | 12 | No |
| Stage 1 DBP Rule | Treatment Failure | 5 | No |
| Gross Alpha | Radionuclides | 4 | No |
| Combined Radium | Radionuclides | 4 | No |
| Gross Beta | Radionuclides | 4 | No |
| Contaminant 4100 | Other Violation | 4 | No |
| PFOA | PFAS | 3 | No |
| PFNA | PFAS | 3 | No |
| Monochloroacetic Acid | Disinfection Byproducts | 3 | No |
| Dichloroacetic Acid | Disinfection Byproducts | 3 | No |
| Bromodichloromethane | Disinfection Byproducts | 3 | No |
| Dibromochloromethane | Disinfection Byproducts | 3 | No |
| Bromoform | Disinfection Byproducts | 3 | No |
| Chlorodibromomethane | Disinfection Byproducts | 3 | No |
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| 0.0018 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.
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Harper Company Rwd #1 (OK2003001) on EPA.gov.
Frequently Asked Questions
Is Harper Company Rwd #1 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 Harper Company Rwd #1 serve?
Harper Company Rwd #1 serves approximately 198 people across 2 ZIP codes in Oklahoma.
Where does Harper Company Rwd #1 get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Harper Company Rwd #1 (OK): 135 EPA Violations. https://zipcheckup.com/water-system/ok2003001/
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author = {{ZipCheckup}},
title = {{Harper Company Rwd #1 (OK): 135 EPA Violations}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/ok2003001/}
}
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
Harper Company Rwd #1 (EPA ID: OK2003001) - request the latest Consumer Confidence Report or ask about specific contaminants.