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Jackson, WY · 31,348 people served · EPA data 2021–2026

Tap water quality in Jackson, Wyoming

Jackson's water systems logged 10 health-based EPA violations in 2021–2026, most recently in 2025 — most often lead and copper rule. Health-based violations mean a federal limit or treatment standard was exceeded; check the systems below and your utility's annual report for specifics.

C+Fair
Jackson water grade: C+
Fair — our A–F grade from this city's EPA compliance record, relative to Wyoming and the nation. How we grade →
Health-based violations, 2021–202610
Lead And Copper Rule3
Nitrate-Nitrite3
Groundwater Rule2
Revised Total Coliform Rule1
Jackson, Town Of24,760 served
Rafter J Subdivision Hoa1,500 served
Aspens Pines W&S District1,400 served
Melody Ranch Improvement & Service Dist.900 served
Wyoming quality rank#21 / 51 (84.3/100)
Wyoming avg hardness210 PPM (very hard)
Want to know what's actually in your Jackson 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

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Jackson tap water FAQ

Is tap water safe to drink in Jackson?

Jackson's systems logged 10 health-based violations in 2021–2026, most commonly lead and copper 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 Jackson's water?

Jackson, Town Of (serving about 24,760 people); Rafter J Subdivision Hoa (serving about 1,500 people); Aspens Pines W&S District (serving about 1,400 people); Melody Ranch Improvement & Service Dist. (serving about 900 people). Data: EPA Safe Drinking Water Information System, July 2026.

How hard is the water in Jackson?

City-level hardness isn't published in a single federal dataset, but Wyoming averages 210 PPM — "very hard" on the USGS scale. Your utility's water quality report lists Jackson'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 Jackson?

With 10 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 Jackson 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.