Hopi High School - BIA
PWS ID: 090400395 · Keams Canyon, 09 86043
Hopi High School - BIA serves 1,150 people in Keams Canyon, 09 using Groundwater water sources. It has 316 recorded EPA violations, including 66 health-based violations. No PFAS contamination was detected in UCMR5 testing.
Water Quality Snapshot: Hopi High School - BIA
Hopi High School - BIA is a federal-owned community water system that delivers drinking water to 1,150 residents in Keams Canyon, 09 through 58 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 316 total violations for this system , of which 66 (21%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 165 monitoring and reporting violations are on file. The most recent violation on record dates to 2025.
The most frequently cited contaminant at this system is Arsenic, recorded in 42 violations (MCL, health-based). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.
Across 09, EPA tracks 323 public water systems serving 555,721 people, with 48,296 cumulative violations and 3,354 health-based violations on record. About 97% of systems in the state carry at least one violation, and state-wide the average per system is 149.5 violations. Hopi High School - BIA's 316 violations sit above the 09 average. Statewide, 30 of 41 UCMR5-tested systems have reported PFAS detections (73.2%). All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.
System Details
- System Type
- Community
- Owner Type
- Federal
- Connections
- 58
- School/Daycare
- Yes
- MCL Violations
- 64
- Monitoring Violations
- 165
- Treatment Tech Violations
- 2
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Arsenic | MCL | 42 | 2023 |
| Coliform (TCR) | MR | 35 | 2015 |
| Arsenic | MR | 26 | 2025 |
| Fluoride | MR | 18 | 2025 |
| Coliform (TCR) | MCL | 17 | 2015 |
| Public Notice | Other | 12 | 2025 |
| Nitrate | MR | 9 | 2024 |
| Chlorine | MR | 9 | 2025 |
| E. COLI | MR | 9 | 2022 |
| Lead and Copper Rule | MR | 9 | 2023 |
| Total Haloacetic Acids (HAA5) | MR | 7 | 2023 |
| TTHM | MR | 7 | 2023 |
| Revised Total Coliform Rule | MON | 6 | 2025 |
| Fluoride | MCL | 4 | 2025 |
| Combined Uranium | MR | 4 | 2008 |
| Revised Total Coliform Rule | RPT | 4 | 2023 |
| Consumer Confidence Rule | Other | 2 | 2005 |
| Combined Uranium | MCL | 1 | 2007 |
| Barium | MR | 1 | 2017 |
| Beryllium, Total | MR | 1 | 2017 |
| 2,3,7,8-TCDD | MR | 1 | 2004 |
| 1,2,4-Trichlorobenzene | MR | 1 | 2014 |
| cis-1,2-Dichloroethylene | MR | 1 | 2014 |
| Xylenes, Total | MR | 1 | 2014 |
| o-Dichlorobenzene | MR | 1 | 2014 |
| 1,1-Dichloroethylene | MR | 1 | 2014 |
| Trichloroethylene | MR | 1 | 2014 |
| 1,1,1-Trichloroethane | MR | 1 | 2014 |
| Carbon tetrachloride | MR | 1 | 2014 |
| 1,1,2-Trichloroethane | MR | 1 | 2014 |
Verify This Water System
The figures above are aggregated from EPA's public databases. To verify the underlying records — or to file a complaint, request a Consumer Confidence Report, or check current monitoring status — go directly to the federal and state regulators that enforce the Safe Drinking Water Act for Hopi High School - BIA.
EPA SDWIS — Federal Reports
EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:
View PWS ID 090400395 on SDWISSource: EPA SDWIS Federal Reports Search
09 Drinking Water Authority
09's primacy agency administers the Safe Drinking Water Act locally. Search EPA SDWIS for the current state contact, or use the state's public health or environment department portal.
Find 09 regulator via EPA SDWISViolation Timeline
Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.
| Year (latest) | Contaminant | Category | Count | EPA Record |
|---|---|---|---|---|
| 2025 | Arsenic | MR | 26 | SDWIS / 090400395 / 1005 |
| 2025 | Fluoride | MR | 18 | SDWIS / 090400395 / 1025 |
| 2025 | Public Notice | Other | 12 | SDWIS / 090400395 / 7500 |
| 2025 | Chlorine | MR | 9 | SDWIS / 090400395 / 0999 |
| 2025 | Revised Total Coliform Rule | MON | 6 | SDWIS / 090400395 / 8000 |
| 2025 | Fluoride | MCL | 4 | SDWIS / 090400395 / 1025 |
| 2024 | Nitrate | MR | 9 | SDWIS / 090400395 / 1040 |
| 2024 | LEAD AND COPPER RULE REVISIONS | TT | 1 | SDWIS / 090400395 / 5200 |
| 2024 | LEAD AND COPPER RULE REVISIONS | RPT | 1 | SDWIS / 090400395 / 5200 |
| 2023 | Arsenic | MCL | 42 | SDWIS / 090400395 / 1005 |
| 2023 | Lead and Copper Rule | MR | 9 | SDWIS / 090400395 / 5000 |
| 2023 | Total Haloacetic Acids (HAA5) | MR | 7 | SDWIS / 090400395 / 2456 |
| 2023 | TTHM | MR | 7 | SDWIS / 090400395 / 2950 |
| 2023 | Revised Total Coliform Rule | RPT | 4 | SDWIS / 090400395 / 8000 |
| 2022 | E. COLI | MR | 9 | SDWIS / 090400395 / 3014 |
How Hopi High School - BIA Compares
Cross-reference this system's record against state averages and the federal MCL framework for context.
| Metric | Hopi High School - BIA | 09 avg | Federal benchmark |
|---|---|---|---|
| Total violations | 316 | 149.5 | SDWA compliance — any non-zero count is a recorded breach |
| Health-based violations | 66 | 10.4 | Indicates a contaminant exceeded a federal MCL |
| PFAS detection | None | 73.2% | EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt |
| Population served | 1,150 | 1,720 | Sizing context for compliance burden |
Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 323 regulated public water systems in 09.
Federal MCL reference — Safe Drinking Water Act thresholds ▼
| Contaminant | Federal MCL / Action Level | Note |
|---|---|---|
| Lead | 0 mg/L (Action Level: 0.015 mg/L) | Lead and Copper Rule treatment technique |
| Arsenic | 0.010 mg/L (10 ppb) | Health-based MCL since 2006 |
| Total Coliform | Treatment technique (RTCR) | Indicator organism, monitoring trigger |
| PFOA / PFOS (PFAS) | 4.0 ppt each (final 2024 rule) | Compliance deadline 2029 |
| Nitrate (as N) | 10 mg/L | Acute health risk for infants |
Frequently Asked Questions
Is Hopi High School - BIA water safe to drink? ▼
How many people does Hopi High School - BIA serve? ▼
What type of violations does Hopi High School - BIA have? ▼
Has PFAS been detected in Hopi High School - BIA water? ▼
What water source does Hopi High School - BIA use? ▼
Where does this data come from? ▼
Explore PlainWater
Related Data for 09
Read our methodology — how this data is sourced, computed, and verified.