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Public Water System
COLUMBIA POWER AND WATER SYSTEMS
PWSID TN0000128 · Tennessee · 84,617 people served
A
ExcellentCOLUMBIA POWER AND WATER SYSTEMS is an EPA-regulated public water system in Tennessee (PWSID TN0000128). It serves an estimated 84,617 residents — a mid-sized community of customers — across 1 community across 1 ZIP code.
COLUMBIA POWER AND WATER SYSTEMS has maintained full EPA Safe Drinking Water Act compliance over the most recent five-year reporting window. No health-based Maximum Contaminant Level (MCL) exceedances are on record. The grade of A reflects this clean compliance history.
Service Area
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Centered on the averaged ZIP-code centroid of 1 ZIP served.
Population
84,617
Cities
1
ZIPs
1
Violations
0
EPA Health-Based Violations
Health-based Maximum Contaminant Level (MCL) violations on file for COLUMBIA POWER AND WATER SYSTEMS over the past five years of EPA SDWIS reporting.
✅
No health-based violations in the last 5 years.
COLUMBIA POWER AND WATER SYSTEMS's water systems have met EPA health-based Maximum Contaminant Level (MCL) requirements throughout the EPA reporting window. This does not mean zero detection of regulated contaminants — it means all measured concentrations remained below their federal action levels.
Cities Served by COLUMBIA POWER AND WATER SYSTEMS
ZIP Codes Served
About this system
EPA records this system as PWSID TN0000128. Data reflects the most recent EPA SDWIS publication as of 2026-05-18. Public Water System Identifiers (PWSIDs) are assigned by the EPA's Safe Drinking Water Act program to track every regulated water utility in the United States. The first two letters typically indicate the state primacy agency. For real-time water quality information, contact COLUMBIA POWER AND WATER SYSTEMS directly or review their annual Consumer Confidence Report (CCR).
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