Community Water System · PWS 041200001
Seminole - Brighton Reservation
Operator location Hollywood, EPA Region 4 — Tribal Water Systems - 70% of 40 violations are health-based (upper-third health share (> 23%)); groundwater source; 6,538 served per SDWIS.
- 6,538
- People served (this PWS)
- 40
- EPA violations (this PWS)
- 28
- Health-based (this PWS)
- Untested
- UCMR5 (this PWS)
Seminole - Brighton Reservation standing, mid SDWIS violation third
70% of 40 recorded violations are health-based - upper-third health share (> 23%). Corpus terciles use 29,740 systems serving 500+ (the sitemap cohort). Health-based share 70% is upper-third health share (> 23%). Population rank #6,428 of 29,740 among systems serving 500+.
The verdict
Seminole - Brighton Reservation lands in the middle third by violation volume (40), large enough for peer comparisons without matching the fleet's heaviest ledgers. Population served is large (6,538; larger served population (> 3,309)), so household exposure scale sits behind the violation mix. Health-based share is 70% - most of this ledger is MCL or treatment-technique exceedance. No UCMR5 PFAS test appears for this system in this extract.
- #6,428 of 29,740
- Population · /systems
- #4 of 12
- Population · 04
- 40
- Total EPA violations on record
- 70%
- 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
- 699
- School/Daycare
- No
- MCL Violations
- 28
- Monitoring Violations
- 6
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| TTHM | MCL | 20 | 2008 |
| Total Haloacetic Acids (HAA5) | MCL | 8 | 2006 |
| Nitrate | MR | 5 | 1993 |
| Coliform (Pre-TCR) | Other | 4 | 1990 |
| Coliform (TCR) | MR | 1 | 2013 |
Violation Count vs. the National Corpus
Seminole - Brighton Reservation has 40 recorded EPA violations, 50% of the 29,740 public water systems serving 500+ people nationwide carry fewer, and 49% carry more. 70% of this system's own violations are health-based (28 of 40), and it ranks #6,428 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)
40 Around the middle fewer violations than 49% 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
Health-based violations on Seminole - Brighton Reservation
28 health-based rows in the tables above map to MCL or treatment-technique exceedances, verify each contaminant code on the federal SDWIS report for 041200001.
Sources: EPA SDWIS
Nationwide peers
40 violations · 6,538 served: nearest cross-state SDWIS matches.
Cross-state systems near this violation count
Nearest cross-state community systems (500+ served) by total SDWIS violations on record.
Cross-state systems with similar served population
Nearest cross-state systems by EPA SDWIS population_served (same 500+ sitemap gate).
What to do with Seminole - Brighton Reservation
Use this system's EPA-reported record as a starting filter, not a final verdict.
- See how every tracked system in EPA Region 4 — Tribal Water Systems compares on the same EPA violation measures. EPA Region 4 — Tribal Water Systems 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.