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Roswell, NM · 59,077 people served · EPA data 2021–2026

Tap water quality in Roswell, New Mexico

Roswell's water systems logged 3 health-based EPA violations in 2021–2026, most recently in 2025 — a modest record, with groundwater rule the issue found. For context, New Mexico's systems average 3.6 health-based violations each.

CFair
Roswell water grade: C
Fair — our A–F grade from this city's EPA compliance record, relative to New Mexico and the nation. How we grade →
Health-based violations, 2021–20263
Groundwater Rule2
Lead And Copper Rule Revisions1
Roswell Municipal Water System54,025 served
Berrendo Cooperative Wua4,304 served
Cumberland Cooperative Wua606 served
Wild Willys Rv Park142 served
New Mexico quality rank#7 / 51 (95.9/100)
New Mexico avg hardness252 PPM (very hard)
Want to know what's actually in your Roswell 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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Roswell tap water FAQ

Is tap water safe to drink in Roswell?

Roswell's systems logged 3 health-based violations in 2021–2026, most commonly groundwater rule. 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 Roswell's water?

Roswell Municipal Water System (serving about 54,025 people); Berrendo Cooperative Wua (serving about 4,304 people); Cumberland Cooperative Wua (serving about 606 people); Wild Willys Rv Park (serving about 142 people). Data: EPA Safe Drinking Water Information System, July 2026.

How hard is the water in Roswell?

City-level hardness isn't published in a single federal dataset, but New Mexico averages 252 PPM — "very hard" on the USGS scale. Your utility's water quality report lists Roswell'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 Roswell?

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 Roswell 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.