Community Water System · PWS AK2270312
City of Hooper Bay
Operator location Hooper Bay, Alaska - upper-third violation load (> 74 violations) with 695 EPA violations; groundwater source; 1,200 served (PWS-level, not municipal population).
- 1,200
- People served (this PWS)
- 695
- EPA violations (this PWS)
- 23
- Health-based (this PWS)
- Untested
- UCMR5 (this PWS)
City of Hooper Bay standing, high SDWIS violation third
695 EPA SDWIS violations on record - upper-third violation load (> 74 violations). Corpus terciles use 29,740 systems serving 500+ (the sitemap cohort). Health-based share 3% is middle-third health share (≤ 23%). Population rank #17,782 of 29,740 among systems serving 500+.
The verdict
City of Hooper Bay sits in the upper third of the sitemap cohort by violation count (695), so the tables below sample a dense compliance trail rather than a near-clean ledger. Population served is mid-pack at 1,200 (mid served population (≤ 3,309)). Health-based share is 3% (middle-third health share (≤ 23%)). No UCMR5 PFAS test appears for this system in this extract.
- #17,782 of 29,740
- Population · /systems
- #51 of 164
- Population · AK
- 695
- Total EPA violations on record
- 3%
- Health-based (MCL / treatment failure)
Population ordinals match the sitemap cohort (systems serving 500+, population_served DESC). See methodology · corpus placement.
System Details
- System Type
- Community
- Owner Type
- Native American
- Connections
- 89
- County
- Wade Hampton Census Area
- School/Daycare
- No
- MCL Violations
- 6
- Monitoring Violations
- 493
- Treatment Tech Violations
- 17
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Chlorine | MR | 57 | 2025 |
| Revised Total Coliform Rule | MON | 38 | 2025 |
| Coliform (TCR) | MR | 33 | 2015 |
| Nitrate | MR | 18 | 2023 |
| Groundwater Rule | TT | 15 | 2024 |
| Vinyl chloride | MR | 12 | 2013 |
| p-Dichlorobenzene | MR | 12 | 2013 |
| 1,1-Dichloroethylene | MR | 12 | 2013 |
| 1,1,1-Trichloroethane | MR | 12 | 2013 |
| Carbon tetrachloride | MR | 12 | 2013 |
| Trichloroethylene | MR | 12 | 2013 |
| 1,2-Dichloroethane | MR | 12 | 2013 |
| Benzene | MR | 12 | 2013 |
| Lead and Copper Rule | MR | 11 | 2025 |
| Consumer Confidence Rule | Other | 10 | 2022 |
| TTHM | MR | 8 | 2024 |
| Total Haloacetic Acids (HAA5) | MR | 8 | 2024 |
| 1,2,4-Trichlorobenzene | MR | 7 | 2013 |
| DICHLOROMETHANE | MR | 7 | 2013 |
| Tetrachloroethylene | MR | 7 | 2013 |
| CHLOROBENZENE | MR | 7 | 2013 |
| Toluene | MR | 7 | 2013 |
| Ethylbenzene | MR | 7 | 2013 |
| trans-1,2-Dichloroethylene | MR | 7 | 2013 |
| 1,2-Dichloropropane | MR | 7 | 2013 |
| 1,1,2-Trichloroethane | MR | 7 | 2013 |
| Xylenes, Total | MR | 7 | 2013 |
| Styrene | MR | 7 | 2013 |
| cis-1,2-Dichloroethylene | MR | 7 | 2013 |
| o-Dichlorobenzene | MR | 7 | 2013 |
Violation Count vs. the National Corpus
City of Hooper Bay has 695 recorded EPA violations, 98% of the 29,740 public water systems serving 500+ people nationwide carry fewer, and 2% carry more. 3% of this system's own violations are health-based (23 of 695), and it ranks #17,782 of 29,740 by population served among that same cohort.
EPA violations vs. the national water-system corpus
Public water systems serving 500+ people (EPA SDWIS)
695 Higher than most more violations than 98% of 29,740 water systems
the national water-system corpus, bucketed by value
Each bar is a band; taller bars hold more water systems. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source EPA SDWIS · 2026-05-15
SDWIS compliance record for City of Hooper Bay
695 violations on record for AK2270312; use EPA SDWIS to confirm return-to-compliance dates and monitoring categories.
Sources: EPA SDWIS
Nationwide peers
695 violations · 1,200 served: nearest cross-state SDWIS matches.
Cross-state systems with comparable violation load
Nearest cross-state community systems (500+ served) by total SDWIS violations on record.
Cross-state systems near this population served
Nearest cross-state systems by EPA SDWIS population_served (same 500+ sitemap gate).
What to do with City of Hooper Bay
Use this system's EPA-reported record as a starting filter, not a final verdict.
- See how every tracked system in Alaska compares on the same EPA violation measures. Alaska systems
- Check whether PFAS was detected at this system under UCMR5 testing. PFAS guide
- Find and compare another public water system by name or PWSID. Search systems
EPA SDWIS and UCMR5 figures are informational only, not a substitute for a certified lab test of your own tap water.