Home / Tap Water Quality / Louisiana / Baton Rouge
Baton Rouge, LA · 701,552 people served · EPA data 2021–2026

Tap water quality in Baton Rouge, Louisiana

Baton Rouge's water systems logged 1 health-based EPA violation in 2021–2026, most recently in 2024 — a modest record, with lead and copper rule revisions the issue found. For context, Louisiana's systems average 4.0 health-based violations each.

B-Good
Baton Rouge water grade: B-
Good — our A–F grade from this city's EPA compliance record, relative to Louisiana and the nation. How we grade →
Health-based violations, 2021–20261
Lead And Copper Rule Revisions1
Baton Rouge Water Company596,844 served
New Iberia Water System (Lawco)59,928 served
Crowley Water System (Lawco)17,733 served
Eunice Water System (Lawco)15,393 served
Louisiana quality rank#4 / 51 (98.9/100)
Louisiana avg hardness100 PPM (moderately hard)
Want to know what's actually in your Baton Rouge 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.

Baton Rouge tap water FAQ

Is tap water safe to drink in Baton Rouge?

Baton Rouge's systems logged 1 health-based violation in 2021–2026, most commonly lead and copper rule revisions. 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 Baton Rouge's water?

Baton Rouge Water Company (serving about 596,844 people); New Iberia Water System (Lawco) (serving about 59,928 people); Crowley Water System (Lawco) (serving about 17,733 people); Eunice Water System (Lawco) (serving about 15,393 people). Data: EPA Safe Drinking Water Information System, July 2026.

How hard is the water in Baton Rouge?

City-level hardness isn't published in a single federal dataset, but Louisiana averages 100 PPM — "moderately hard" on the USGS scale. Your utility's water quality report lists Baton Rouge'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 Baton Rouge?

With 1 health-based violation 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 Baton Rouge 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.