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Raleigh, NC · 676,784 people served · EPA data 2021–2026

Tap water quality in Raleigh, North Carolina

Raleigh's water systems logged 23 health-based EPA violations in 2021–2026, most recently in 2025 — most often gross alpha, excl. radon and u. Health-based violations mean a federal limit or treatment standard was exceeded; check the systems below and your utility's annual report for specifics.

B+Good
Raleigh water grade: B+
Good — our A–F grade from this city's EPA compliance record, relative to North Carolina and the nation. How we grade →
Health-based violations, 2021–202623
Gross Alpha, Excl. Radon And U12
Combined Radium (-226 And -228)7
Lead And Copper Rule Revisions2
Lead And Copper Rule1
Raleigh, City Of640,000 served
Bayleaf Master16,715 served
Stonehenge S/D1,840 served
Royal Senter Ridge S/D740 served
North Carolina quality rank#2 / 51 (99.7/100)
North Carolina avg hardness120 PPM (moderately hard)
Want to know what's actually in your Raleigh 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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Raleigh tap water FAQ

Is tap water safe to drink in Raleigh?

Raleigh's systems logged 23 health-based violations in 2021–2026, most commonly gross alpha, excl. radon and u. 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 Raleigh's water?

Raleigh, City Of (serving about 640,000 people); Bayleaf Master (serving about 16,715 people); Stonehenge S/D (serving about 1,840 people); Royal Senter Ridge S/D (serving about 740 people). Data: EPA Safe Drinking Water Information System, July 2026.

How hard is the water in Raleigh?

City-level hardness isn't published in a single federal dataset, but North Carolina averages 120 PPM — "moderately hard" on the USGS scale. Your utility's water quality report lists Raleigh'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 Raleigh?

With 23 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 Raleigh 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.