Marietta Pwa
EPA ID: OK2004301 · 2,626 people served · 1 ZIP code
ZipCheckup's reading of EPA SDWIS for Marietta Pwa (OK2004301): no EPA violations recorded in the last five years. In every reporting cycle over the past five years, Marietta Pwa has come through without a single EPA violation - a consistent performance across the full service population of approximately 2,626 residents that reflects both well-maintained infrastructure and reliable operational oversight.
Data: EPA SDWIS
Service Area Map
Coverage area for Marietta Pwa Source: EPA SDWIS service area boundaries.
Service area boundary - Grade A
Service Area Demographics
The Marietta Pwa serves a community with a median household income of $58,424 and an estimated 5,767 residents across its service area. Approximately 61% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
Environmental Justice Note: 33% 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?
Marietta Pwa'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
PFAS Detected in Service Area
PFAS ("forever chemicals") have been detected in water serving this system's area. 4 detections recorded.
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
Marietta Pwa (EPA ID: OK2004301) is a community water system in Oklahoma that serves approximately 2,626 people from groundwater sources.
This system serves ZIP code 73448 in Marietta.
ZIP-Area Home Safety Context: A (99/100)
This is the average Home Safety Score for 1 of 1 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
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| 0.00128 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.
- 73448 - Marietta
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Marietta Pwa (OK2004301) on EPA.gov.
Frequently Asked Questions
Is Marietta Pwa water safe to drink?
The accepted 2026Q2 ECHO snapshot contains zero violation records for Marietta Pwa in the inclusive 2021-2026 record-year window. This is a compliance-record finding, not a guarantee about water at a specific tap.
How many people does Marietta Pwa serve?
Marietta Pwa serves approximately 2,626 people across 1 ZIP code in Oklahoma.
Where does Marietta Pwa get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Marietta Pwa Water Quality Report, OK. https://zipcheckup.com/water-system/ok2004301/
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title = {{Marietta Pwa Water Quality Report, OK}},
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url = {https://zipcheckup.com/water-system/ok2004301/}
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