Water system

Hopi High School - Bia

Name: Hopi High School - Bia drinking water quality
Creator: TapWaterZip
License: https://www.usa.gov/government-works

Arizona EPA ID 090400395 1,005 people Groundwater

What this means for you

Is it safe to drink right now?: EPA records show 15 recent health-based violations for Hopi High School - Bia that are not marked resolved. Check your utility’s website or bill insert for any boil-water or do-not-drink notice and follow it.
Should I use a filter?: Yes, we recommend considering one. Unresolved health-based issues make a home filter a reasonable backup.
What kind of filter?: See matched standards and product picks.

This is general information from public EPA data, not medical advice. Lead often comes from a home’s own pipes, so only a test of your tap can tell your exposure. If you are pregnant, caring for an infant, or have a weakened immune system, ask your doctor or health department.

Summary: 23 health-based violations in the last 5 years; 69 monitoring/reporting violations; 29 not yet resolved; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2025).

EPA data snapshot 2026Q3. Grade is TapWaterZip's own score — see methods.

PFAS (“forever chemicals”), EPA UCMR 5

No UCMR 5 results on file (mostly smaller systems weren’t required to test).

Lead and copper

Lead 90th percentile1 ppb2025-12-31

Current action level15 ppbLCRI lowers to 10 ppb on Nov 1, 2027

Violations (last 5 years)

Began	Type	Contaminant / rule	Status
2026-06-13	Required treatment not done	Groundwater Rule	Unaddressed
2026-06-13	Required treatment not done	Groundwater Rule	Unaddressed
2026-06-13	Required treatment not done	Groundwater Rule	Unaddressed
2026-06-13	Required treatment not done	Groundwater Rule	Unaddressed
2026-06-13	Required treatment not done	Groundwater Rule	Unaddressed
2026-06-13	Required treatment not done	Groundwater Rule	Unaddressed
2026-06-13	Required treatment not done	Groundwater Rule	Unaddressed
2026-06-13	Required treatment not done	Groundwater Rule	Unaddressed
2026-06-13	Required treatment not done	Groundwater Rule	Unaddressed
2026-06-13	Required treatment not done	Groundwater Rule	Unaddressed
2026-06-13	Required treatment not done	Groundwater Rule	Unaddressed
2026-06-13	Required treatment not done	Groundwater Rule	Unaddressed
2026-06-13	Required treatment not done	Groundwater Rule	Unaddressed
2026-06-13	Required treatment not done	Groundwater Rule	Unaddressed
2026-04-01	Contaminant above legal limit	Fluoride	Archived
2026-04-01	Missed or late testing/reporting	Chlorine	Archived
2026-04-01	Missed or late testing/reporting	Fluoride	Archived
2026-01-01	Contaminant above legal limit	Fluoride	Archived
2026-01-01	Missed or late testing/reporting	Fluoride	Archived
2026-01-01	Other paperwork/notice violation	Public Notice	Unaddressed
2025-10-21	Required treatment not done	Stage 1 Disinfectants and Disinfection Byproducts Rule	Unaddressed
2025-10-01	Contaminant above legal limit	Fluoride	Archived
2025-10-01	Missed or late testing/reporting	Fluoride	Archived
2025-10-01	Contaminant above legal limit	Arsenic	Archived
2025-10-01	Missed or late testing/reporting	Arsenic	Archived

Filters matched to this water

FILTER PICKS

Look for filters certified (NSF, IAPMO or WQA) to these standards for the specific contaminant. Buttons open the maker’s page or an Amazon search; use “Check NSF listing” to verify a model’s claims. No affiliate links yet — grades are never sold.