Home / Tap Water Quality / Louisiana / West Monroe
West Monroe, LA · 116,661 people served · EPA data 2021–2026

Tap water quality in West Monroe, Louisiana

West Monroe's water systems logged 56 health-based EPA violations in 2021–2026, most recently in 2024 — most often tthm. Health-based violations mean a federal limit or treatment standard was exceeded; check the systems below and your utility's annual report for specifics.

FFailing
West Monroe water grade: F
Failing — our A–F grade from this city's EPA compliance record, relative to Louisiana and the nation. How we grade →
Health-based violations, 2021–202656
Tthm44
Groundwater Rule9
Lead And Copper Rule Revisions3
West Monroe Water System16,005 served
West Hwy 80 Ark Road Ws14,649 served
Gowc North Water System13,287 served
Gowc East Water System11,742 served
Louisiana quality rank#4 / 51 (98.9/100)
Louisiana avg hardness100 PPM (moderately hard)
Want to know what's actually in your West Monroe 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.

West Monroe tap water FAQ

Is tap water safe to drink in West Monroe?

West Monroe's systems logged 56 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 West Monroe's water?

West Monroe Water System (serving about 16,005 people); West Hwy 80 Ark Road Ws (serving about 14,649 people); Gowc North Water System (serving about 13,287 people); Gowc East Water System (serving about 11,742 people). Data: EPA Safe Drinking Water Information System, July 2026.

How hard is the water in West Monroe?

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 West Monroe'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 West Monroe?

With 56 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 West Monroe 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.