Hopi High School - BIA
PWSID: 090400395 · Keams Canyon, AZ · Serves 1,005 people
According to EPA Safe Drinking Water Information System (SDWIS), Hopi High School - BIA (PWSID 090400395) in Keams Canyon, AZ is listed as a CWS water system covering about 1,005 people. The same extract lists 35 health-based violation records spanning 2015-2025. Those 35 health-based rows for Hopi High School - BIA cover contaminants such as Arsenic, Groundwater Rule, Fluoride; they remain historical EPA registry entries, not a current compliance or drinkability score.
Hopi High School - BIA has 35 health-based violation records in this historical extract. Monitoring and reporting records are not included.
PlainEnviro's health-based SDWIS extract covers monitoring and reporting violations only -- it does not include unresolved enforcement actions in progress or corrective steps a utility has taken since the extract date. 6 distinct EPA contaminant codes appear in this system's record, including Arsenic, Groundwater Rule, Fluoride. Recorded violations span 2015–2025. Day-to-day primacy enforcement for this system runs through the Arizona drinking-water program, not EPA directly.
A historical health-based record does not necessarily describe current water quality or compliance. The most authoritative current source is the utility's annual Consumer Confidence Report. For enforcement history and corrective-action orders, consult EPA ECHO and the Arizona state drinking-water program's public portal.
System Details
- EPA ID (PWSID)
- 090400395
- System Type
- CWS
- Water Source
- Groundwater
- Location
- Keams Canyon, AZ
- Population Served
- 1,005
- Health Violations
- Yes (35)
What contaminants are in this water system?
| Contaminant | Violations | Health-Based |
|---|---|---|
| Arsenic | 21 | 21 |
| Groundwater Rule | 6 | 6 |
| Fluoride | 3 | 3 |
| Coliform (TCR) | 3 | 3 |
| Stage 1 Disinfectants and Disinfection Byproducts Rule | 1 | 1 |
| LEAD AND COPPER RULE REVISIONS | 1 | 1 |
Violation History (35)
| Contaminant | Health | Date |
|---|---|---|
| Stage 1 Disinfectants and Disinfection Byproducts Rule | Yes | Oct 21, 2025 |
| Arsenic | Yes | Oct 1, 2025 |
| Fluoride | Yes | Oct 1, 2025 |
| Fluoride | Yes | Jul 1, 2025 |
| Fluoride | Yes | Jul 1, 2025 |
| Arsenic | Yes | Jan 1, 2025 |
| LEAD AND COPPER RULE REVISIONS | Yes | Oct 17, 2024 |
| Arsenic | Yes | Jul 1, 2023 |
| Arsenic | Yes | Jul 1, 2023 |
| Arsenic | Yes | Jul 1, 2023 |
| Arsenic | Yes | Jul 1, 2023 |
| Groundwater Rule | Yes | Jan 14, 2023 |
| Groundwater Rule | Yes | Nov 14, 2018 |
| Groundwater Rule | Yes | Nov 14, 2018 |
| Groundwater Rule | Yes | Nov 14, 2018 |
| Groundwater Rule | Yes | Nov 14, 2018 |
| Groundwater Rule | Yes | Nov 14, 2018 |
| Arsenic | Yes | Jan 1, 2017 |
| Arsenic | Yes | Jan 1, 2017 |
| Arsenic | Yes | Jan 1, 2017 |
| Arsenic | Yes | Oct 1, 2016 |
| Arsenic | Yes | Oct 1, 2016 |
| Arsenic | Yes | Oct 1, 2016 |
| Arsenic | Yes | Jul 1, 2016 |
| Arsenic | Yes | Jul 1, 2016 |
| Arsenic | Yes | Jul 1, 2016 |
| Arsenic | Yes | Apr 1, 2016 |
| Arsenic | Yes | Apr 1, 2016 |
| Arsenic | Yes | Apr 1, 2016 |
| Arsenic | Yes | Jan 1, 2016 |
| Arsenic | Yes | Jan 1, 2016 |
| Arsenic | Yes | Jan 1, 2016 |
| Coliform (TCR) | Yes | Jul 1, 2015 |
| Coliform (TCR) | Yes | Jul 1, 2015 |
| Coliform (TCR) | Yes | Jul 1, 2015 |
Frequently Asked Questions
What does EPA SDWIS list for Hopi High School - BIA?
How many people does Hopi High School - BIA serve?
What violations does Hopi High School - BIA have?
What contaminants have been found in Hopi High School - BIA water?
Compare beyond Arizona
Nationwide peers by violations & population served
Cross-state SDWIS systems nearest Hopi High School - BIA on cumulative violation count (35) and EPA-reported population served (1,005). Violation-count peers include QUINHAGAK WATER SYSTEM, DEER WATER ASSOCIATION, PLUMAS EUREKA CSD. Population peers include SOUTHWOOD MANOR TC, EAGLE RIDGE, SEDAN, CITY OF.
Similar violation count
Nearest cross-state community systems (500+ served) by SDWIS violations on record.
Similar population served
Nearest cross-state systems by EPA SDWIS population_served (same 500+ gate).
Nearby Water Systems
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About This Data
Hopi High School - BIA (090400395) is drawn from EPA SDWIS. Nearby county systems in this extract include CITY OF SHOW LOW; WINSLOW CITY OF; SNOWFLAKE TOWN OF; PONDEROSA DWID. Health-based rows (35 MCL/TT) are historical registry state, not a current drinkability score.
Source: U.S. Environmental Protection Agency, SDWIS Federal Reporting Services
Read our methodology - how this data is sourced, computed, and verified.