Germantown Water Department
EPA ID: TN0000262 · 37,738 people served · 6 ZIP codes
ZipCheckup's reading of EPA SDWIS for Germantown Water Department (TN0000262): no EPA violations recorded in the last five years. Over five tracked years, Germantown Water Department has stayed completely violation-free for its 37,738 residents.
Data: EPA SDWIS
Service Area Map
Coverage area for Germantown Water Department Source: EPA SDWIS service area boundaries.
Service area boundary - Grade A
Service Area Demographics
The Germantown Water Department serves a community with a median household income of $124,717 and an estimated 176,467 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: 56% 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?
Germantown Water Department'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.
Superfund Proximity Note: This service area ranks in the 70th percentile nationally for proximity to Superfund (NPL) sites. Groundwater sources near contaminated sites may face elevated risk from industrial chemicals.
Infrastructure Risk
Comparable Water Systems
Similar-sized systems in Tennessee
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
Germantown Water Department (EPA ID: TN0000262) is a community water system in Tennessee that serves approximately 37,738 people from groundwater sources.
This system provides water to 6 ZIP codes across 3 communities.
ZIP-Area Home Safety Context: A (99/100)
This is the average Home Safety Score for 2 of 6 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 |
|---|---|---|
| 0.0019 mg/L | No | N/A |
The accepted LCR snapshot contains 1 reported copper action-level exceedance record for this PWSID. The source does not provide a verified copper level for publication.
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 TN or modeled from parcel and building-footprint data.
- 38017 - Collierville
- 38119 - Memphis
- 38120 - Memphis
- 38125 - Memphis
- 38138 - Germantown
- 38139 - Germantown
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Germantown Water Department (TN0000262) on EPA.gov.
Frequently Asked Questions
Is Germantown Water Department water safe to drink?
The accepted 2026Q2 ECHO snapshot contains zero violation records for Germantown Water Department 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 Germantown Water Department serve?
Germantown Water Department serves approximately 37,738 people across 6 ZIP codes in Tennessee.
Where does Germantown Water Department 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.
- #27 / 50 Highest Exposure Burden (Tennessee)
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Germantown Water Department, TN: Serves 38K People. https://zipcheckup.com/water-system/tn0000262/
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