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Lebanon, TN · 120,647 people served · EPA data 2021–2026

Tap water quality in Lebanon, Tennessee

Lebanon's water systems logged 3 health-based EPA violations in 2021–2026, most recently in 2023 — a modest record, with tthm the issue found. For context, Tennessee's systems average 1.8 health-based violations each.

C+Fair
Lebanon water grade: C+
Fair — our A–F grade from this city's EPA compliance record, relative to Tennessee and the nation. How we grade →
Health-based violations, 2021–20263
Tthm3
Lebanon Water System60,669 served
Wilson Co Water & Wastewater22,680 served
Gladeville Utility District19,813 served
Laguardo Utility District15,595 served
Tennessee quality rank#11 / 51 (87.6/100)
Tennessee avg hardness130 PPM (hard)
Want to know what's actually in your Lebanon water?

Averages describe states, not your faucet. A certified home water test screens for lead, nitrates, bacteria and dozens of other contaminants — the same categories EPA regulates.

Test your water at home

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Lebanon tap water FAQ

Is tap water safe to drink in Lebanon?

Lebanon's systems logged 3 health-based violations in 2021–2026, most commonly tthm. A violation is a red flag for a period of time, not a permanent condition — your utility's current Consumer Confidence Report shows today's status, and a certified home test shows what's at your tap.

Who supplies Lebanon's water?

Lebanon Water System (serving about 60,669 people); Wilson Co Water & Wastewater (serving about 22,680 people); Gladeville Utility District (serving about 19,813 people); Laguardo Utility District (serving about 15,595 people). Data: EPA Safe Drinking Water Information System, July 2026.

How hard is the water in Lebanon?

City-level hardness isn't published in a single federal dataset, but Tennessee averages 130 PPM — "hard" on the USGS scale. Your utility's water quality report lists Lebanon's exact hardness, or a $10 test strip tells you in a minute. If it comes back over 120 PPM, see our water softener guidance in the purification calculator.

Do I need a water filter in Lebanon?

With 3 health-based violations on record in 2021–2026, a certified filter is reasonable insurance here: reverse osmosis ($150–$1,300 installed, Angi 2026) covers lead, nitrates and PFAS at the tap. Test first ($50–$200) so you buy for what's actually present.

Want to know what's actually in your Lebanon water?

Averages describe states, not your faucet. A certified home water test screens for lead, nitrates, bacteria and dozens of other contaminants — the same categories EPA regulates.

Test your water at home

We may earn a commission if you request quotes through this link. It costs you nothing and never affects the data we publish.