Knoxville Utilities Board - Kub
EPA ID: TN0000366 · 254,671 people served · 37 ZIP codes
Unlike many utilities its size, Knoxville Utilities Board - Kub carries a violation-free five-year record — no EPA notices, no MCL exceedances, serving 254,671 people.
Data: EPA SDWIS Last verified: 2026-04-02
Service Area Map
Coverage area for Knoxville Utilities Board - Kub Source: EPA SDWIS service area boundaries.
Service area boundary — Grade C
Service Area Demographics
The Knoxville Utilities Board - Kub serves a community with a median household income of $69,679 and an estimated 528,704 residents across its service area. Approximately 51% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
🌊 Where Does Your Water Come From?
Knoxville Utilities Board - Kub's water is drawn from rivers, lakes, or reservoirs. Surface water sources are more exposed to agricultural runoff, stormwater, and upstream discharges, but they typically receive more intensive treatment before reaching your tap.
About 0% of homes in Anderson County, Tennessee rely on private wells rather than public water systems. Private well owners are responsible for their own water testing and treatment.
Infrastructure Risk
PFAS Detected in Service Area
PFAS ("forever chemicals") have been detected in water serving this system's area. 31 detections recorded. 3 exceed federal EPA limits (4 ppt for PFOA/PFOS). 3 exceed state limits.
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
KNOXVILLE UTILITIES BOARD - KUB (EPA ID: TN0000366) is a community water system in Tennessee that serves approximately 254,671 people from surface water sources.
This system provides water to 37 ZIP codes across 7 communities.
Average Home Safety Score: C (65/100)
Based on water quality violations, lead levels, and radon risk across all ZIP codes served by this system.
Violation History
Lead & Copper
EPA Lead and Copper Rule sampling data for ZIP codes served by this system:
| ZIP Code | Lead Level | Exceeds Limit | Sample Date |
|---|---|---|---|
| 37901 | 0.0006 mg/L | No | N/A |
| 37902 | 0.0006 mg/L | No | N/A |
| 37909 | 0.0006 mg/L | No | N/A |
| 37912 | 0.0006 mg/L | No | N/A |
| 37914 | 0.0006 mg/L | No | N/A |
| 37915 | 0.0006 mg/L | No | N/A |
| 37916 | 0.0006 mg/L | No | N/A |
| 37917 | 0.0006 mg/L | No | N/A |
| 37918 | 0.0006 mg/L | No | N/A |
| 37919 | 0.0006 mg/L | No | N/A |
| 37920 | 0.0006 mg/L | No | N/A |
| 37921 | 0.0006 mg/L | No | N/A |
| 37922 | 0.0006 mg/L | No | N/A |
| 37923 | 0.0006 mg/L | No | N/A |
| 37924 | 0.0006 mg/L | No | N/A |
| 37927 | 0.0006 mg/L | No | N/A |
| 37928 | 0.0006 mg/L | No | N/A |
| 37929 | 0.0006 mg/L | No | N/A |
| 37930 | 0.0006 mg/L | No | N/A |
| 37931 | 0.0006 mg/L | No | N/A |
Radon Risk in Service Area
Dominant radon zone for ZIP codes served by this system: Zone 1 (High Risk)
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
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: 19 ZIP codes confirmed via EPA Community Water System Service Area Boundaries v3 plus 18 additional ZIPs inferred from SDWIS registry data. The EPA-confirmed set is the most reliable; SDWIS-inferred entries may be narrower than the real deployment area.
This system serves 37 ZIP codes:
37754 · 37764 · 37820 · 37849 · 37865 37871 · 37901 · 37902 · 37909 · 37912 37914 · 37915 · 37916 · 37917 · 37918 37919 · 37920 · 37921 · 37922 · 37923 37924 · 37927 · 37928 · 37929 · 37930 37931 · 37932 · 37933 · 37934 · 37938 37939 · 37940 · 37950 · 37995 · 37996 37997 · 37998
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Knoxville Utilities Board - Kub (TN0000366) on EPA.gov.
Frequently Asked Questions
Is Knoxville Utilities Board - Kub water safe to drink?
Based on EPA records, Knoxville Utilities Board - Kub has no recorded violations in the past 5 years — a positive indicator of water quality management.
How many people does Knoxville Utilities Board - Kub serve?
Knoxville Utilities Board - Kub serves approximately 254,671 people across 37 ZIP codes in Tennessee.
Where does Knoxville Utilities Board - Kub get its water?
The primary water source is surface water.
Contact Your Water Utility
Public-record contact information for the water utility serving this system. Use these channels to request water quality reports, ask about service, or report issues directly.
Contact information from Knoxville Utilities Board Consumer Confidence Report.
ZipCheckup is not affiliated with this water utility, does not act as its agent, and does not provide customer support for it. Contact details shown are public-record information from CCR filings. For service issues, contact the utility directly using the information above.
Water Source & Treatment
Where this water originates and how it's treated before reaching your tap.
Source: Knoxville Utilities Board Consumer Confidence Report.
ZipCheckup is not affiliated with this water utility. Treatment and source data are sourced from the utility's published CCR filings.
KUB’s water source is rated reasonably susceptible to potential contamination. To ensure safe drinking water, all public water systems treat and routinely test their water under the guidance of the Source Water Assessment program.
Treatment regime
How this utility classifies its treatment process and what each reported treatment chemical does.
Treatment chemicals and what each one does
Chemical names are reported verbatim by the utility. Purpose categories are ZipCheckup annotations based on standard drinking-water treatment practice.
Treatment classification and chemical list sourced from Knoxville Utilities Board Consumer Confidence Report.
Treatment intensity is a ZipCheckup-derived classification based on the chemicals and processes the utility reports. Chemicals and contamination sources are taken verbatim from the utility's CCR filing. Routine federal monitoring and contaminant testing shown elsewhere on this page determine whether the water meets safety standards, not the treatment classification.
Federal UCMR5 PFAS Monitoring: Detected
This water system was tested under the federal EPA Unregulated Contaminant Monitoring Rule (UCMR5). PFAS compounds were detected below the current state-enforceable MCL.
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 →
PFAS Substances Detected in This System
This water system's Consumer Confidence Report disclosed the following PFAS compounds. Levels are from the utility's most recent reporting cycle.
In April 2024, EPA finalized the first National Primary Drinking Water Regulation for six PFAS. Public water systems have until 2029 to comply. EPA — PFAS regulation overview →
Source: Consumer Confidence Report disclosed by Knoxville Utilities Board.
ZipCheckup is not affiliated with this water utility. PFAS detection data is sourced from public Consumer Confidence Reports filed by the utility itself.
KUB recently completed its water service line inventory as required by the EPA and is proud to share there was no evidence of lead lines found throughout the water distribution system.
Lead Service Line Replacement Tracker
This water utility's lead service line (LSL) replacement program is tracked from public Consumer Confidence Report filings. Email signup notifies subscribers when the utility files an updated replacement plan or progress milestone.
Knoxville Utilities Board
ZipCheckup is not affiliated with this water utility. LSL replacement-program data is sourced from public CCR filings published by the utility. Subscription notifications are based on automated parsing of subsequent CCR releases.
Learn more about Lead and Copper Rule replacement requirements →
Lead Service Line Inventory
Service line breakdown reported under the federal Lead and Copper Rule Improvements (LCRI) inventory requirement:
This system reports zero confirmed lead service lines in its inventory. Unknown-material counts may still warrant verification.
Federal LCRI rule (effective October 2024) requires every public water system to inventory its service lines and complete lead-line replacement within 10 years.
Source: EPA SDWIS Federal Service Line Inventory (Phase 2) · Submitted 2026
ZipCheckup is not affiliated with the utility or state agency. Inventory figures render verbatim from the public LCRI submission cited above; ZipCheckup does not perform inspections or replacements.
Aesthetic water quality
These measurements describe the look, taste, and feel of the water this utility delivers. They are not contaminant violations — they sit alongside federal Secondary Maximum Contaminant Levels (SMCLs) which the EPA publishes as non-enforceable guidance.
Aesthetic measurements from Knoxville Utilities Board Consumer Confidence Report.
Aesthetic measurements are reported by the utility from its annual sampling. EPA Secondary MCLs are advisory thresholds — values outside them indicate aesthetic concerns such as taste or appearance, not health violations. Federal contaminant testing is shown in the sections above.
Frequently Asked Questions
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
Knoxville Utilities Board - Kub (EPA ID: TN0000366) — request the latest Consumer Confidence Report or ask about specific contaminants.