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Houma, LA · 128,118 people served · EPA data 2021–2026

Tap water quality in Houma, Louisiana

Houma's water systems logged zero health-based EPA violations in 2021–2026 — water that met every federal health standard on record. Day-to-day quality still varies with pipes and plumbing, but the municipal record here is clean.

B+Good
Houma 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, 2021–20260
Federal health standardsall met
Schriever Water Treatment Service Area116,460 served
Houma Water Treatment Service Area11,658 served
Louisiana quality rank#4 / 51 (98.9/100)
Louisiana avg hardness100 PPM (moderately hard)
Want to know what's actually in your Houma 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.

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Houma tap water FAQ

Is tap water safe to drink in Houma?

Houma's community water systems reported no health-based EPA violations in 2021–2026, meaning the water met federal health standards throughout. Home plumbing (especially pre-1986 lead solder or service lines) can still affect what reaches your glass — a home test settles it.

Who supplies Houma's water?

Schriever Water Treatment Service Area (serving about 116,460 people); Houma Water Treatment Service Area (serving about 11,658 people). Data: EPA Safe Drinking Water Information System, July 2026.

How hard is the water in Houma?

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 Houma'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 Houma?

The municipal record is clean, so filtering in Houma is about taste, hardness and your own plumbing rather than compliance. A carbon filter fixes chlorine taste; test first if your home predates 1986 (lead solder era).

Want to know what's actually in your Houma 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.