Johnson City, TN Water Quality Report

Is Johnson City tap water safe? See PFAS and lead contamination levels for Johnson City, Tennessee. Compare to EPA limits and get filter recommendations.

Quick Answers

Is Johnson City, TN tap water safe to drink? For Johnson City, TN, the latest UCMR5 cycle reports no PFAS above thresholds. If you are on a private well or in an older Tennessee home, that federal dataset does not cover you – independent testing is the only way to know.

What contaminants are in Johnson City, TN water? EPA UCMR5 tests 29 PFAS compounds plus 42+ regulated contaminants (lead, arsenic, nitrate, disinfection byproducts). The detailed table below shows every detection with comparison to EPA limits.

What filter should I use in Johnson City, TN? For Johnson City, TN households, reverse osmosis removes 90%+ of PFAS, lead, and arsenic. NSF-53 certified pitcher and faucet filters (ZeroWater, Clearly Filtered, LifeStraw) work for smaller households. Skip standard Brita filters for PFAS removal.

Johnson City, TN Water Quality Summary

Recent EPA UCMR5 monitoring shows no reported PFAS detections for Johnson City, TN water systems. That is encouraging, but it is not a guarantee: smaller utilities in Tennessee are often exempt from UCMR5 testing, and private wells are never covered. Look up your exact ZIP code for the finest-grained data available.

Contamination Level: NONE – No PFAS detected in recent testing.

Lead in Johnson City, TN Water

EPA Lead and Copper Rule testing has recorded 14 lead samples for Johnson City water systems, with a 90th-percentile high of 0.0238 mg/L (above the EPA 0.015 mg/L action level). There is no safe level of lead for children; if your home was built before 1986, a certified NSF/ANSI 53 lead-removal filter is recommended.

About the Data

Source: EPA UCMR5 (Unregulated Contaminant Monitoring Rule 5), the 2023-2025 national testing program spanning 66,000+ public water systems – the broadest drinking water survey ever run in the US. Johnson City, TN serves a population of roughly 70,002.

ZIP Codes Served

37601, 37602, 37604, 37605

What Johnson City, Tennessee Residents Should Do

  1. Enter your exact ZIP code at knowyourexposure.com for address-level data
  2. Request the latest Consumer Confidence Report (CCR) from your Tennessee utility – it is free and updated annually
  3. Choose a filter certified for PFAS: NSF/ANSI 58 reverse osmosis (94-99% removal) or an NSF-53 pitcher
  4. High-exposure households (pregnancy, infants, immunocompromised) should also consider a PFAS home test kit